Unn Medical Sciences

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UNN POST UTME & DE PAST QUESTIONS FOR FACULTY OF

MEDICINE AND MEDICAL SCIENCES
USE OF ENGLISH 2005/2006 4. According to the author, human memory is
QUESTIONS (Session 1) unreliable because people _____.
A. die and we forget what they said
B. forget events or tell lies
COMPREHENSION C. do not always know when events happen
D. do not always know who did what and
INSTRUCTION: Read the passage carefully when
and answer the questions that follow.
5. From the passage, we gather that writing
Developments in electronic science have is almost
transformed the art of record-keeping in the A. as unreliable as human memory
modern age. Traditionally, records of events B. as reliable as electronic memory
were kept only in people's minds. It C. more reliable than electronic recording
depended very much on the retentive power D. not to be compared to any other recording
of the human memory. systems
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This was extremely dangerous as people LEXIS AND STRUCTURE
either forgot events wholly or in part, or
deliberately falsified details to suit their
various interests. Interminable arguments
were thus the order of the day. Even writing .n
In questions 6 and 7, select the option
that best explains the information
conveyed in the sentence.
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which replaced mental recording was not
entirely free from these shortcomings as 6. You are driving too fast for safety.
untruths could be written as true records A. That speed is all right and safe
either willingly or inadvertently. With the B. That speed is not fast enough for safety
advent of the electronic memory, however, C. That speed is not entirely safe
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these dangers now show not only what D. You should drive faster to ensure safety
happened, but also who did or said what,
including how and when. 7. For all I care, the man may be dead.
A. I am not sure that the man is dead
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1. The author believes that electronic B. I am not interested in his death

recording is _____. C. I very much care in case he is dead
A. superior to mental recording. D. I am ignorant of the man’s death.
B. inferior to both mental recording and
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writing. In each of questions 8-11, choose the most

C. superior to both mental recording and appropriate option opposite in meaning to
writing. the words in italics.
D. inferior to only writing.
8. The priest was invited to consecrate the
2. The writer believes that the art of record new building.
keeping has _____. A. destroy
A. improved over the years B. abuse
B. endangered the art of writing C. tarnish
C. changed human memory. D. pollute
D. overcome all the problems facing it
9. A majority of those who sat for the last
3. How many stages of development did the jamb examination are sanguine of success.
writer mention while discussing the art of A. hopeful
record keeping? B. unsure
A. Two C. pessimistic
B. Three D. disheartened
C. Four
D. Five
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10. When we woke up this morning, the sky ANSWERS TO 2005/2006

was overcast.
A. cloudy ENGLISH QUESTIONS
B. clear [SECTION 1]
C. shiny
D. brilliant 1. C 2. A 3. B 4. B 5. A 6. C 7. B 8. D 9. C
11. Enemies of progress covertly strife to 10. C 11. D 12. B 13. C 14. B 15. C
undermine the efforts of this administration.
A. secretly
B. boldly DOWNLOAD MORE FREE PAST
C. consistently
QUESTIONS AT
D. overtly
In each of questions 12-15, fill the gap

with the most appropriate option from
the list following gap.
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12. The boy is constantly under some that he
is the best student in the class.
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A. elusion
B. delusion
C. illusion
D. allusion
13. Her parents did not approve of her

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marriage two years ago because she has not
reached her ______.
A. maturity
B. puberty
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C. majority
D. minority
14. Our teacher ______ the importance of

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reading over our work before submission.

A. emphasized on
B. emphasized
C. layed emphasis on
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D. put emphasis
15. Young men should not get mixed

______politics.
A. in with
B. up with
C. up in
D. on with
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USE OF ENGLISH 2005/2006 QUESTIONS (Session II)
COMPREHENSION B. An African market scene

C. Trading in the market
INSTRUCTION: Read the passage D. An African shopping centre
carefully and answer the questions that
follow. 4. Which of the following statements BEST
illustrates the impression the writer has
The market was old, timeless Africa, loud, created about the market?
crowded and free. Here, a man sat making A. An old, timeless and scantily populate
sandals from old discarde4 motor-car tyres; place.
there another worked at an old sewing B. A place people come to for business or
machine, making a nightgown-like affair pleasure.
while the buyer waited; a little further on, an C. An old, crowded and discarded place.
old goldsmith worked at his dying art, but D. A place for all types of wares and
using, now, copper filings instead of gold) to laughter.
fashion the lovely trinkets women wear the
world over; elsewhere a woman sold country 5. Which of the following groups of items
cloth fashioned with such fine art that only may be found for sale in the market?
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Africans think of it as a garment of utility. A. Motorcar tyres, eggs and gold trinkets
Trade was slow and loud everywhere. This B. Eggs, sandals and gold trinkets
was as much a social as a shopping centre.
For an excuse to spend the day at the

market, a woman would walk all the way
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C. Country cloth, gold trinkets and sandals
D. Country cloth, copper trinkets and eggs
LEXIS AND STRUCTURE

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from her village to town with half a dozen
eggs. She would spread them on a little bit of In each of questions 6-9, choose the
ground for which she paid rent. Through the option nearest in meaning to the word
day she would squat on the ground and talk or phrase in italics.
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to others who came for the same reason. She

would refuse to sell her wares till it was time 6. Much of his chagrin, he did not win the
to leave. They were the excuse for her being race.
there. There were many like that. But there A. stupefaction
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were many others for whom trade was an B. disappointment

earnest business. Whether in earnest or as C. shock
an excuse, the traders were boisterously D. surprise
free, loud-mouthed and happy. The laughter
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of the market was a laughter found nowhere 7. Traditional rulers are not supposed to be
else in all the world. involved in partisan politics.
A. dirty
1. According to the passage, the woman with B. party
half a dozen eggs in the market _____. C. modern
A. is doing earnest business. D. surprise
B. comes purposely to enjoy herself.
C. is like other traders in the market. 8. Mr. Adamu is a dominant partner in our
D. does not like her husband at home. business.
A. a prominent
2. "An old goldsmith worked on his dying art" B. an important
means that the C. an outstanding
A. goldsmith's trade was no longer popular D. an influential
B. goldsmith was old and must soon die
C. goldsmith knew well the art of dying 9. The patient disregarded the advice of the
D. goldsmith now used copper filings doctor.
A. ignored
3. Which of the following titles BEST reflects B. disobeyed
the content of the passage? C. questioned
A. Market scene D. respected
3
ANSWERS TO USE OF ENGLISH

In each of questions 10-12, till the gap with
the most appropriate option from the list
2005/06 ANSWERS (Session II)
following the gap.
1. B 2. A 3. B 4. B 5. D 6. B 7. B 8. B 9. A
10. The lawyer pleaded-with the judge to
10. B 11. C 12. A 13. D 14. A 15. B
____ justice with mercy.
A. tempar
B. temper
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C. tamper
D. taper QUESTIONS AT
11. So far, no... [A. effected B. efficient C.

Efficacious D. effectual] drug has been
discovered as a cure for the AIDS diseases. WWW.PREP.NG
12. The student leaders were
_____punished.
A. unduly
B. undully
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C. unduely
D. unduelly
In each of questions 13-14, choose the

word that has the same consonant
sound as the one represented in the
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letter underlined.
13. Vision
A. Mansion
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B. Profession
C. Cession
D. Precision
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14. Chair
A. Chancellor
B. Chiffon
C. Chalet
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D. Champaign
In the following question, the words in capital

letters have the emphatic stress. Choose the
option that best fits the expression in the
sentences.
15. The secretary enjoys travelling AT

NIGHT.
A. Did the secretary enjoy travelling by day
B. Does the secretary enjoy travelling by day
C. Who enjoys travelling by night
D. Does the secretary hate travelling at night
4
BIOLOGY 2005/2006 QUESTIONS

1. The difference between the cell wall of a C. cloak
plant cell and animal cell is that D. rectum
A. plant cell wall contains silica
B. animal cell contains stomata in its 9. To study the structure of mammalian
membrane kidney in a secondary school you need
C. plant cell is made up of membranes only A. to get fresh kidney of a sheep or a pig
D. plant cell wall contains cellulose B. to get a fresh kidney of a man
C. to get a fresh kidney of a chick
2. In mammals, digestion of starch starts in D. to get a fresh kidney of a toad
the
A. stomach 10. The following are some examples of food
B. small intestine chain in the savanna terrestrial ecosystem
C. mouth except
D. liver A. grass → zebra → lion
B. diatoms → crayfish → bony fish
3. In the process of pollination of a flowering C. seeds → weaverbird → civets
plant, the pollen grain must touch this D. leaves → elephant → vulture
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structure to start off.
A. petals 11. Reptiles and birds lay eggs on dry land.
B. calyx
C. ovary
D. stigma .n
These are special eggs described as
A. ammonic
B. amniotic
C. embryonic
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4. All birds have ____. D. chorionic
A. two-chambered heart
B. three-chambered heart 12. A pollen grain produces two male
C. four-chambered heart gametes; one is used to form the zygote
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D. one-chambered heart while the other forms the endosperm by

fusing with
5. The list of important types of supporting A. other pollens
tissues on plant does not include B. embryo sac
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A. collenchyma C. polar nuclei

B. cambium D. haploid spore
C. sclerenchyma. 13. The main vector of malaria parasite is
D. xylem A. culex mosquito
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B. chrysops
6. Bones of birds are modified for flight by C. anopheles mosquito
A. being long D. aedes mosquito
B. being cartilaginous
C. containing air spaces 14. When a plant bearing ripe fruits is
D. being filled with Marrow swayed by the wind and in the process the
seeds are scattered the phenomenon is called
7. The waste product of plant like glycosides, A. wind dispersal
tannins, alkaloids and plant oils may be B. censer mechanism
stored in the C. winged fruits
A. xylem D. explosive mechanism
B. cell vacuoles and cell wall of leaves
C. roots, stem tissues and bark 15. One of these is not amendment of
D. pith, stomata and root hairs Mendelian genetics
A. multiple alleles
8. The part of the alimentary system of bird B. incomplete dominance
where grinding of maize occurs is C. sex-linked character
A. crop D. single factor inheritance
B. gizzard
5
BIOLOGY 2005/2006
ANSWERS
1. D 2. C 3. D 4. C 5. C 6. C 7. B 8. B 9. A
10. B 11. B 12. C 13. C 14. B 15. D

QUESTIONS AT
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PHYSICS 2005/2006 QUESTIONS

1. Which of the following represents the A. 16.0A
correct t precision if the length of a piece of B. 8.0A
wire is measured with a meter rule? C. 0.4A
A. 35mm D. 0.4 A
B. 35.0mm
C. 35.00mm 7. If two parallel wires carry currents flawing
D. 35.01.mm in the same direction, the conductors will
A. attract each other
2. To keep a vehicle moving at a constant B. repel each other
speed V requires power P, from the engine. C. both move in the same direction
The force provided by the engine is D. have no effect on each-other
A. P/V
B. V/2 8. From the generating station to each sub-
C. PV station, power is transmitted at a very high
D. P/V voltage so as to reduce
A. eddy current loss
3. Which of the following statements give the B. hysteresis loss
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TRUE difference between evaporation and C. heating in the cable
boiling? D. magnetic flux leakage
I. Evaporation occurs at all temperatures
while boiling occurs at a fixed temperature
for a given pressure
II. Evaporation is a surface phenomenon
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9. Two tuning forks of frequencies 256Hz and
260 Hz are sounded close to each other.
What.is. the frequency of the beats
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while boiling is an interior phenomenon produced?
III. Evaporation is affected by surface area A. 516Hz
while boiling is not B. 258Hz
A. I and II only C. 4 Hz
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B. I and III only D. 300Hz

C. II and III only
D. I, ii and III only 10. The fundamental frequency of vibration
of' a sonometer wire may be halved by A.
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4. Equal masses of copper and rubber are doubling the length of the wire
raised to the same temperature. After B. doubling the mass of the wire
sometime, the copper was observed to be at C. 240V
a lower temperature because D. 60V
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A. the specific heat capacity of copper is

lower than that of rubber. 11. A transformer has a primary coil with 500
B. copper expands more than rubber. turns and a secondary coil with 2500 turns
C. the specific heat capacity of rubber is and a secondary coil with 2500 turns. When
lower than that of copper. the voltage input to the primary is 120V, the
D. rubber expands more than copper. output is ____.
A. 6000 V
5. Which of the following statements is B. 600 V
correct about a long-sighted boy who does C. 240 V
not put on glasses? D. 60 V
A. He cannot see distant objects clearly
B. Rays of light from a close object are 12. The principle of operation of an induction
focused in front of the retina coil is based on
C. His eyeball is too long A. Ohm's law
B. Ampere's law
6. A 12V battery has an internal resistance of C. Faraday's law
0.5Ω. If a cable of 1.0Ω resistance is D. Coulomb's law
connected across the terminals of the
battery, the current drawn from die battery is
7
13. 4g of radioactive material of half-life ANSWERS TO PHYSICS

10days is spilled on a laboratory floor. How
long would it take to disintegrate 3.5g of the 2005/2006 QUESTIONS
material?
A. 11/4 days 1. B 2. A 3. B 4. A 5. D 6. B 7. A 8. C 9. C
B. 8 1/4 days
C. 30 days 10. A 11. B 12. C 13. C 14. A 15. C
D. 80 days
14. Which of the following statements DOWNLOAD MORE FREE PAST

correctly describe(s) cathode rays? QUESTIONS AT
I. They consist of tiny particles carrying
negative electric charges
II. They are deflected in a magnetic field but
not in an electric field WWW.PREP.NG
III. They consist of fast-moving neutrons and
are deflected in an electric field
A. i only
B. iii only
C. i and ii only
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D. ii and iii only
15. Which of the following is most strongly

deflected by a magnetic field?
A. γ-rays
B. ∝-rays
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C. β-particles
D. X-rays
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8
CHEMISTRY 2005/2006 QUESTIONS

1. Which of the following is a mixture? D. reduction
A. Sodium chloride
B. Sea water 8. In the electrolysis of brine, it is essential
C. Iron filings to prevent the mixing of the products
D. Granulated sugar because
A. sodium and chlorine readily combine
2. Two elements, X and Y, have atomic B. chlorine gives a green coloration
numbers E and 13 respectively. The formula C. chlorine readily recombines with sodium
for the possible compound found between X hydroxide
and Y is D. sodium hydroxide Corms a carbonate in
A. Y2X2 the presence of air and 'chlorine
B. XY2
C. X3Y2 9. In what way is equilibrium constant for the
D. X2Y3 reaction related to that of the reverse
reaction?
3. 3g of a mixture of CaO and CaCO3 was A. The two equilibrium constants are identical
heated to constant mass. If 0.44g of CO2 was B. The product of the two is always greater
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liberated, calculate the percentage of CaO in than one
the mixture. C. The product of the two is expected to be
A. 33.3% one
B. 50%
C. 66.67%
D. 25%
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D. The addition of the two is expected to be
one
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10. When chlorine water is exposed to
4. An alkanoic acid has a molecular mass of sunlight, the gas evolved is
88. Its molecular formula is A. Cl2
A. C4H9COOH B. O2
B. C5H11COOH C. HCL
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C. C3H5COOH D. CO2
D. C3H7COOH
11. PbCl2 does not dissolve in liquid ammonia
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5. If the rate of diffusion of oxygen is taken while AgCl does. This is because
as 1 cms-1, what will be the rate of diffusion A. Pb is not a transition metal while Ag is
of methane who relative molecular mass is B. Ag is not a transition metal while Pb is
16? C. AgCl turns grey on exposure to light a
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A.2.0 D. AgCl dissolves in hot water

B. 1.8
C. 1.4 12. When sodium hydroxide pellets are
D. 1.0 exposed to the atmosphere, the first gas
they absorb is
6. An increase in temperature causes an A. CO2
increase in the pressure of a gas in a fixed B. Water vapour
volume due to an increase in the C. Oxygen
A. Number of molecules of the gas D. Nitrogen
B. Density of the gas molecules
C. Number of collisions between the gas 13. What is the IUPAC name of the
molecules hydrocarbon?
D. Number of collisions between the gas
molecules and the walls of the container
7. In electrolysis, the chemical reaction which

takes place at the anode is
A. dissociation
B. hydrolysis A. 2-ethy1-4-methyl pent-2-ene
C. oxidation B. 3,5 dimethyl hex-3-ene
9
C. 2,4-dimethyl hex-3-ene ANSWERS TO CHEMISTRY

D. 3-methyl 2-ethyl hex-2-ene
2005/2006
14. Which of the following is NOT a
monomer? 1. A 2. B 3. C 4. D 5. C 6. D 7. C 8. D 9. C
10. B 11. A 12. A 13. C 14. A 15. C

QUESTIONS AT
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15. Which of the following behaves like

ethyne?
A. CH3CH=CHCH3
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B. CH3CH2CH2CH2CH=CH2
C. CH2=CH2
D. CH3CH3
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USE OF ENGLISH 2006/2007 QUESTIONS

COMPREHENSION 2. Unless it can be shown that money voted
for projects can be spent on them in good
INSTRUCTION: Read the passage carefully time.
and answer the questions that follow. A. the development activity will not be
intense
The approach to the university is being B. it will not be easy to convince the
restructured to ease the flow of traffic, give government of our executive ability
better security and provide an appropriate C. it will not be difficult to ask government
introduction to a seat of higher learning. The for funds
Works and Services Complex is also under D. our final result will be unreliable
construction, and we intend to move into the E. the road diversions and other
completed (major) part of it within the next inconveniences will continue
few weeks.
3. An eye on aesthetics in this passage
All these projects are being executed with an means ______.
eye to aesthetics, for we recognize the A. regard for space
important influence of a beautiful and healthy B. beneficial psychological effects
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environment on its inhabitants and feel that C. regard for health
a cluster of buildings on a small space such D. consideration for beauty
as we have, should be so well designed as to E. a cluster of buildings
have a beneficial psychological and
sociological effect on all members of the
community.
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4. In this passage, the author tries to explain
why.
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A. it is necessary to establish the Works and
I have gone to these lengths to itemize these Services Complex in the University
examples of current development for two B. beauty should not be taken into
main reasons. Firstly, to advise you that the consideration when building on such a small
road diversions and other physical space as we have
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inconveniences currently being experienced C. the gateway to the university is being

will be on the increase because of intense rebuilt
development activity. We therefore appeal to D. a major part of the project should be
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you to bear with us in full knowledge and completed in the next few weeks
consolation that such inconveniences are E. visitors should be debarred from using the
temporary and will soon yield final tangible gates in the meantime
results. Secondly, to demonstrate our
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capacity for executing approved projects with 5. Which of these is NOT among the reasons
dispatch. and to assure Government that we given by the author for enumerating the
are up to the task. Indeed. I can assure examples of the current development?
Government that its ability to disburse funds A. To show that we are capable of executing
to us will be more than matched by our approved projects
capacity to collect and expend them on B. To convince the government that we can
executing various worthy projects in record be trusted with tasks
time. C. The inconvenience currently being
experienced will go on indefinitely.
1. From the passage, we can gather that D. We are fully aware of the inconveniences
A. there is not much consideration for the of being caused but we do not want you to
the inhabitants complain.
B. there is deliberate effort to inconvenience E. We have the capacity to complete worthy
the people projects within the scheduled time.
C. buildings are put up anyhow In each of questions 6-15, fill the gap with
D. projects are carried out without approval the most appropriate option from the list
E. the inconveniences suffered by inhabitants following the gap.
will be for a while
11
6. Some smugglers have created a road A. many a times

diversion in order to ______ the new import B. many at time
duty. C. many a time
A. circumflex D. many at times
B. circumscribe
C. circumspect 15. The defendant claimed that he had been
D. circumvent _______ making a statement.
A. coarced
7. It happened that our dog is male but ... B. coaxed
are all females. C. coarsed
A. their's D. coerced
B. there's
C. theirs'
D. theirs USE OF ENGLISH
8. We can use the telephone; the lines are all 2006/2007 ANSWERS
_____.
A. on 1. E 2. B 3. D 4. D 5. C 6. D 7.D 8. A 9. C
B. off
C. up 10. B 11. C 12. D 13. A 14. C 15. D
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D. down
9. Ayayi cashed _______ our boy's defensive

error to score the equalizer. A. on
B. in with
C. in on
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QUESTIONS AT
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D. in
10. I heard that Italy's victory at the world WWW.PREP.NG

cup _____ the radio.
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A. in
B. on
C. over
D. from
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11. He travels very often as if he does not

know that a car runs ______ Petrol. A. with
B. by
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C. on
D. in
12. We were all delighted when the lady

____ a bouncing baby boy.
A. delivered
B. brought forth
C. gave birth to
D. was delivered of
13. Although the problem was simple,

_________ student were able to solve it. A.
few
B. a few
C. a lot of
D. little
Some students____ believed they can

succeed in exams without working hard.
12

1. The mitochondrion consists of A. nucleus
A. chemicals that break up complex B. vacuole
compounds in the cells into simpler C. particle
compounds D. DNA and RNA
B. rich store of ribonucleic acid
C. digestive enzymes and hormones 9. The thallus of a lichen consists of
D. protein phosphorus and fats A. a virus and a fungus
B. algae cells and fungal hyphae
2. In amoeba, the ectoplasm is bounded by a C. bacterial and fungal cells
thin membrane known as the D. soredium and basisiopot
A. plasmasol
B. plasmagel 10. The palisade parenchyma is found in the
C. plasmalemma A. steam
D. protoplasm B. leaf
C. flower
3. Centipedes are D. root
A. equally dangerous as millipedes
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B. less dangerous than millipedes 11. The tomato fruit is a very good example
C. more dangerous than all of
D. not dangerous at all
4. Odontophore is a skeletal structure in the

phylum of
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A. an aggregate fruit
B. a drupe
C. a berry
D. a multiple fruit
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A. pisses
B. echinoderms 12. Crenation occur in the red blood cell
C. Mollusca when
D. amphibians A. it is placed in isotonic solution
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B. it is placed in hypertonic solution

5. Wattle is a name of a structure found in C. osmosis is allowed to occur
A. lizard D. transpiration occurs
B. chameleon
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C. cock 13. The capillaries act as filters between

D. dogfish A. the veins
B. the arteries
6. One of these is not a feature of the caudal C. the venules
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vertebrae in mammal D. the arteries and the veins

A. they possess neural canal
B. their transverse process is poorly 14. The primary openings for gaseous
developed. exchange in a plant stem at night are
C. their neural spines are gradually lost A. openings in the cuticles
D. there are not many articular surfaces B. stomata
C. lenticels
7. The inner ear has two types of coiled D. branches
structure called cochlea which
A. receives sound impulses 15. The outer membrane covering the brain
B. has sensory cell which carry impulses to is known as
the spinal cord A. a brain ventricle
C. connects to the eusta chain tube B. a choroid
D. possess cells sensitive to balance C. pia mater
D. dura mater
8. The viruses are the smallest known
organisms and are divided into two parts; the BIOLOGY 2006/2007 ANSWERS
outer part and the inner part. The outer part
is protein and the inner 1. A 2. C 3. C 4. C 5. C 6. A 7. A 8. D 9. B
part is 10. B 11. C 12. B 13. D 14. C 15. D
13

Indicate the correct option in each of the A. in front of the retina
following questions B. behind the-retina
C. behind the retina by a diverging lens
1. Which of the following is a set of vectors? D. in front of the, retina a distance 2F from
A. force, mass and momentum the lens
B. acceleration, velocity and momentum
C. mass, weight and density 8. Dispersion of light by a glass prism is due
D. mass, volume and density to the
A. different hidden colours of the glass
2. A catapult used to hold a stone of mass B. different speeds of various colours in glass
500g is extended by 20cm with an applied C. defect in the glass
force, F. If the stone leaves with a velocity of D. high density in glass
40m/s, the value of F is
A. 4.0 x 102 N/m2 9. To produce an enlarged and erect image
B.2.0 x 103 N with a concave mirror, the object must be
C.4.0 x 103 N positioned
D.4.0 x 104 N A. between the principal focus and the centre
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of curvature
3. A parachute attains terminal velocity when B. at the principal focus
A. its density is equal to the density of air C. between the principal focus and the pole
B. the Viscous force of air and up thrust
completely counteract its weight
C. it expands as a result of reduced external
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D. beyond the centre of curvature
10. To convert an ac dynamo to dc dynamo,

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pressure the
D. the viscous force of the air is equal to the A. number of turns of the coil is increased
sum of the weight and upthrust B. slip rings are replaced with a split-ring
commutator
4. An electrical heater is used to melt a block C. number of turns of the" coil is reduced
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of ice, mass 1.5kg, If the heater is powered D. split-ring commutator is replaced with slip
by a 12V battery, and a current of 20A flows rings
through the coil, calculate the time taken to
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melt the block of ice at 0°C. (specific latent 11. In an AC circuit that contains only a
heat of fusion of ice = 336 x103 J/kg) capacitor, the voltage
A. 76.0 min A. lags behind the current by 90°
B. 35.0 min B. leads the current by 90°
C. 21.0 mn C. lags behinds the currents by 180°
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D. 2.9 min D. leads the current by 180°
5. 200g of water at 90°C is mixed with same 12. The purpose of dielectric material in a
quantity of water at.30°C. What is the final parallel plate capacitor is to
temperature? A. increase the capacitance
A. 50°C B. decrease its capacitance
B. 60°C C. insulate the plates from each other
C. 70°C D. increase the magnetic field between plate
D. 80°C
13. A substance has a half-life of 3min. After
6. The equation P V T = constant is Charles
x y z
6m the count rate was observed to be 600.
law when What its count rate at zero time?
A. x=1, y=1, z=1 A. 200
B. x=0, y=1, z=1 B. 1200
C. x=1, y=0, z=1 C. 1600
D. x=0, y=1, z=1 D. 2400
7. For short-sighted person, light rays from a

point on a very distant object is focused
14
14. If light with photon energy 2eV is ANSWERS TO PHYSICS

incident of surface of a metal with work
function 3eV, then 2006/2007
A. no electron will be emitted
B. the few electrons emitted will have 1. B 2. B 3. B 4. B 5. B 6. B 7. A 8. B 9. D
maximum kinetic energy of 1eV
C. the few electrons emitted will have a 10. B 11. A 12. A 13. D 14. A 15.
maximum kinetic energy of 3eV
D. many electrons will be emitted with
maximum kinetic energy of 5eV DOWNLOAD MORE FREE PAST
QUESTIONS AT
15. In a nuclear fusion experiment, the loss
of m amount to 1.0x 10-6 kg. The amount of
energy obtained from the fusion (speed of
light = 3.0 x 106m/s) is WWW.PREP.NG
A. 3.0 x 10-4 J
B. 3.0 x 10-4 J
C. 9.0x 10-4 J
D. 9.0 x1010 J
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15

1. A mixture of iron and sulphur can be A. 65 g
separated. by dissolving the mixture in B. 32 g
A. Steam C. 24 g
B. Dilute hydrochloric acid D. 40 g
C. Dilute sodium hydroxide
D. Benzene 9. Emission of chlorofluorocarbon (CFC) into
the atmosphere causes
2. If 67.5g of oxide of lead was reduced to A. global warming
61.2g of metal, calculate the formula of the B. acid rain
oxide. (Pb = 207, 0 = 16) C. depletion of ozone layer
A. PbO D. greenhouse effect
B. PbO3
C. Pb3O4
D. Pb2O3
3. Calculate the minimum volume of the

oxygen that is required for complete
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combustion of a mixture of 20 cm3 of CO and
10 cm3 of hydrogen.
A. 5 cm3
B.10 cm3
C. 15 cm3
D. 20 cm3
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4. HNO3 + H2O ⇌ H3O + 𝑁𝑂3−
In the reaction above, 𝑁𝑂3− is the
A. Conjugate acid
B. Acid 10.The diagram above shows the reaction
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C. Conjugate base path of an exothermic reaction. The heat of

D. Base reaction is represented by
A. I
B. II
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5. The pH range of a neutralization product

of CH3COOH and KOH is C. III
A. 1 - 3 D. IV
B. 7 - 8
11. Which of the following samples will react
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C. 6 - 7
D. 12 – 14 fastest with dilute HCL?
A. 10 g of lumps of CaCO3 at 25℃
6. How much NaOH is required to make 250 B. 10 g of powdered CaCO3 at 25 °C
cm3 of 0.1 mol/dm3 solution? C. 10 g of lumps of CaCO3 at 50 °C
A. 10g D. 10 g of powdered CaCO3 at 50 °C
B. 1.0g
C. 0.1g 12. The colour exhibited by copper in a flame
D. 4g test is
A. green
7. 2PbO2 → 2PbO + O2 B. lilac
In the equation above, the oxidizing agent is C. blue-green
A. Pb4+ D. crimson
B. Pb2+
C. O2- 13. Which of the following statements is
D. O2 correct?
A. Chlorine bleaches by oxidation while
8. A current of 0.5 A flows for 1930 seconds sulphur(1V) oxide bleaches by reduction
and deposits 0.325 g of metal M. If the B. Chlorine bleaches h reduction while
charge is +2, the relative molecular mass is sulphur( IV) oxide bleaches by oxidation
16
C. Both of them bleach by oxidation ANSWERS TO CHEMISTRY

D. Both of them bleach by reduction
2006/2007
14. The IUPAC name for is
1. D 2. C 3. C 4. C 5. D 6. B 7. A 8. A 9. C
10. D 11. D 12. C 13. A 14. A 15. A

QUESTIONS AT
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A. 1-chlorobenzoic acid
B. 3-chlorobenzoic acid
C. M-chlorobenzoic acid
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D. P-chlorobenzoic acid
15. 3-methylbutan-2-one is an isomer of

A. Pentanal
B. 3-methylpentan-2-one
C. Hex-3-.ene
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D. 2-methylprop-1-ene
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17

COMPREHENSION judgment should be reliable." It was
Wezume, another village elder, who spoke.
INSTRUCTION: Read the passage carefully
and answer questions 1-5 below. 1. Olumba wore amulets because he
________.
Olumba removed a small black amulet from A. was superstitious.
his neck and substituted a bigger one. The B. was a strong and fearless fighter.
former was for general protection at home, C. wanted to please his wile.
the latter for protection and luck whilst D. wanted to instill fear in Eze Diali.
travelling. Ready at last he picked up his E. believed in their power of protection
matchet and headed for the chief’s house
with Ikechi behind him. 2. Olumba looked upwards because _______.
A. he was searching for something in the sky.
Olumba walked ahead looking upward as B. this was his usual practice.
usual. Just what he was searching for in the C. he was short and often had to look up.
sky Ikechi couldn't tell. Perhaps, his D. he lacked height.
shortness accounted for this habit since he E. his wrestling pseudonym was Agadaga
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often had to look up into the faces of his
taller companions. What he lacked in height 3. "Poaching" means
he made up in solid muscle and he looked
strong. His wrestling pseudonym was
Agadaga, a name which meant nothing but
which somehow conveyed an impression of
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A. stealing
B. cracking eggs
C. fishing
D. deterring thieves
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strength. E. demanding ransoms from Aliakoro
Eze Diali, the chief, sat at one end of his 4. The chief called the meeting because
reception hall ringed by the village elders A. he wanted volunteers to go to Aliakoro
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whom he had called to a meeting. The rest of B. he wanted to announce the fact that there
the hall was filled with much younger men. would definitely be poachers from Chiolu at
"People of Chiolu," the chief began, "I have the Great Ponds that night
learnt that poachers from Aliakoro 'will be at C. he wanted to ask for very large ransoms
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the Great Ponds tonight. There is no doubt D. the elders had devised a plan to prevent
that they will try to steal from the Pond of the poaching
Wagaba which as you know is rich in fish. E. seven men were needed to bring seven
Our plan tonight is to bring one or more of
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these thieves home alive and ask for very 5. Why was Olumba chosen'?
large ransoms. This line of action will have A. in order not to waste time
two effects. Firstly. it will prove our charges B. because his nickname conveyed an
of poaching against the people of Aliakoro, impression of strength
and secondly, the payment of very large C. his amulets for luck was were stronger
ransoms would be a deterrent. We need D. he had caught thieves alive before
seven men for this venture. I call for E. the passage doesn't say
volunteers."
In each of questions 6-8 choose the
"Who will head this party?" the Chief asked, word(s) that best complete the meaning
looking around. Chituru, one of the elders, in the sentence/
said: "Eze Diali, let us not waste time.
Olumba is the man for the job. We all know 6. We watched the woman as she stood up
that he has led many exploits like this one." and ____ herself more comfortably.
"We still need six men," Eze Diali said. Eager A. reseated
youths came surging forward. Their well- B. resat
formed muscles rippled as they elbowed one C. reseat
another. It was difficult to choose.' D. resifted
"I suggest Olumba should choose his men.
He knows the boys very well and his
18
7. The students _______ the principal's 14. It____ be taken tier repair after all: it's
appeal for and took to the streets. working again.
A. deferred A. couldn't
B. differed B. shouldn't
C. defied C. mightn’t
D. defined D. needn't
8. The noise from the record seller's In question 15 choose the word that has
workshop _______on for fishing. my ears. the same consonant sound as the one
A. jeers represented by the letter(s) underlined.
B. jars
C. jams 15. Chassis
D. jabs A. Chip
B. Cheat
In question 9-11, choose the option C. Sharp
opposite in meaning to the word(s) in D. Character
italics.
9. The Military Governor upheld the decision ANSWERS FOR ENGLISH

of his cabinet.
2007/2008
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A. Held up
B. Undercut
C. Maintained
D. Abolished
E. Reversed .n
1. E 2. B 3. A 4. A 5. D 6. A 7. C 8. B 9. E
10. A 11. E 12. B 13. B 14. D 15. C

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10. Chidi is naturally taciturn.
A. Friendly DOWNLOAD MORE FREE PAST
B. Cheerful QUESTIONS AT
C. Dumb
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D. Lively
E. Reserved
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11. James is a disco-addict. He takes his
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student rather lightly.

A. Humorously
B. Gloomily
C. Tediously
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D. Carefully
E. Seriously
In questions 12-14 choose the words or

which best fill(s) the gap(s).
12. There's _____ventilation in this room;

that's you don't breathe well. A. few
C. a few
B. little
D. a little
13. Whenever he puts the light on,

someone_______ to disturb him.
A. came
B. has come
C. comes
D. would come
19

1. Increasing complexity due to 8. Plants adapted to life in salty marsh are
multicellularity first appeared in this animal known as
group A. hydrophytes
A. protozoa B. xerophytes
B. coelenterate C. halophytes
C. Sarcodina D. epiphytes
D. Protista
9. A circulatory system that does not allow
2. In the angiosperms, the sieve tube mixing oxygenated blood in the mammalian
members are living non-nucleated, but they heart is referred to as
are usually accompanied by A. open
A. cork cambium B. double
B. phloem rays C. single
C. vascular cambium D. closed
D. companion cells
10. In a pyramid of numbers, it is common to
3. Abscisic acid is a chemical that prepares have_____ with the smallest of individuals
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plants for A. secondary consumers
A. ripening fruits B. tertiary consumers
B. emergence of seedlings C. primary consumers
C. for leaf fall
D. reproduction
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D. primary producers
11. In blood transfusion, agglutination occurs

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4. The formula below represents when____
C6H12O6 → 2C2H6O + 2CO2 +ATP A. white blood cells from two people meet
A. glycolysis B. two different antibodies meet
B. fermentation C. two different antigen meet
C. photosynthesis D. contrasting antigens and antibodies meet
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D. respiration
12. Genetic counselling is important when
5. In any population, any specific allele will marriage is planned between a
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mutate at one time or another, usually to a A. Rh+ woman and Rh- man
non-functional or harmful form. The B. Rh- woman and Rh+ man
proportion of gametes carrying new mutant C. Rh- man and Rh- woman
alleles of a given locus is culled D. Rh+ woman and Rh+ man
A. the mutation rate
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B. the selection coefficient 13. One of these animal groups contain

C. the relative fitness acoelomate members
D. the lethal genotype A. Mollusca
B. coelentrata
6. In mosses, the sporophyte generation is C. Arthropoda
highly prominent producing spores in a cone- D. reptilian
like
A. gametophyte 14. The enzyme invertase will hydrolyse
B. strobilus sucrose to give
C. Antheridium A. mannose and galactose
D. archegonium B. glucose and fructose
C. maltose and galactose
7. When Sudan III solution is boiled with a D. glycerol and fatty acids
solution of food substances, it gives a colour
black precipitate showing the presence of 15. A flower that has both stamen and pistil
A. fats and oil is said to be
B. protein A. perfect
C. amino acid B. imperfect
D. starch C. pistillate
20
D. staminate
ANSWERS TO BIOLOGY
2007/2008
1. B 2. D 3. C 4. B 5. A 6. D 7. A 8. C 9. B
10. B 11. D 12. B 13. B 14. B 15. A

QUESTIONS AT
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21

1. The extension of a spring when 5 g weight C. iris
was hung from it was 0.56cm. If Hooke’s law D. ciliary muscles
is obeyed, what is the extension caused by a 7. Under constant tension and constant mass
load 20g weight? per unit length, the note produced by a
A. 1.12 cm plucked string is 500Hz when the-length of
B. 2.14 cm the wire is 0.9m. At what length is the
C. 2.52cm frequency 150Hz?
D. 2.2401 A. 3m
B. 0.27m
2. The distance travelled by a particle C. 8.33m
starting from rest is plotted against the D. 6740m
square of the time-elapsed from the
commencement of motion. Th resulting graph 8. An object is placed in front of two plain
is a measure of mirrors inclined at an angle of θ˚ . If the total
A. initial displacement. number of images formed is 7, find the value
B. initial velocity of θ˚
C. acceleration A. 30°
g
D. average velocity B.45°
C. 517
3. A 90cm uniform lever has a load of 30N D. 90°
suspended at 15cm from one of its ends. If
the fulcrum is at the centre of gravity. the
force that must be applied at its other end to
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9. The north pole of a magnet can never be
separated from the south pole because of a
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keep it in horizontal equilibrium is property known as _____.
A. 15N A. magnetic dipole.
B. 20N B. magnetic moment
C. 30N C. magnetic monopole
D. 60N D. magnetic quadrupole
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4. Two points on a velocity-time graph have 10. If the distance between two points
coordinates (5s, 10m/s) and (20s, 20m/s). charges is increased by a factor of four, the
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Calculate the mean acceleration between the magnitude of electrostatic force between
two points. them will be
A.0.67m/s2 A. ½ of its initial value
B. 0.80 m/s2 B. ¼ its initial value
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C. 1.50 m/s2 C. 1/16 of its initial value

D. 2.00 m/s2 D. 4 times of Its initial value
5. Which of the fo1loWing±statements are 11. The terminal voltage of a battery is 4.0V
correct? When r supplying a current of 2.0A; and 2:0V
i. Land and sea-breezes are natural when supplying a current of 3:0A. The
convection internal resistance of the battery is
ii: The vacuum in a thermos flask prevents A. 0.5 Ω
heat lo due to convection only B. 1.0 Ω
iii. Convection may occur in liquids or gases C. 2.0 Ω
but in solids D. 4.00
A. i and ii only
B. ii arid- iii only 12. The primary aim in high tension
C. i and iii only transmission is to
D. I. ii and iii only A. Minimize electrical energy loses due to
heat production
6. The property of the eye known as its B. Increase the rate of energy transfers by
power of accommodation it controlled by the using high voltage
A. pupil C. Increase the current-in the wires
B. vitreous humour
22
D. Generate electricity at high current and ANSWERS TO PHYSICS

low voltage
2007/2008
13. Which of the following is required to
convert a milliammeter to ammeter? 1. D 2. C 3. B 4. C 5. C 6. D 7. A 8. B 9. A
A. A high resistance in Parallel
B. A low resistance in series 10. C 11. C 12. A 13. C 14. C 15. B
C. A low resistance in parallel
D. A high resistance in series
14. A light of energy 5eV falls on a metal and QUESTIONS AT
electrons with a maximum kinetic energy of
2eV are ejected. The work function of the
metal is
A. 0.4eV WWW.PREP.NG
B. 2.5eV
C. 3.0eV
D. 7.0eV
15. One of the features of fission process is
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that
A. its products are not radioactive
B. it leads to chain reaction
C. neutrons are not released
D. the sum of the masses of the reactants
equals the sum of the masses of the products
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23

1. Two immiscible liquids with different 8. Which of the following elements will burn
boiling points can be separated by in excess oxygen to form a product that is
A. the use of separating funnel neutral to litmus?
B. evaporation A. Carbon
C. distillation B. Hydrogen
D. decantation C. Sulphur
D. Sodium
2. A mixture of CaCl2 and CaCO3 in water can
be separated by 9. A current was passed for 10 mins and 0.2
A. evaporation mole of Cu was deposited. How many grams
B. sublimation of Ag will it deposit? (Cu = 64, Ag = 108)
C. distillation A. 43.2g
D. decantation B. 21.6g
C. 10.8 g
3. Consider the reaction represented by D. 5.4 g
xPb(NO)2 → 2PbO + yNO2 + zO2 What are the
values of x, y and z respectively? 10. Pollution of underground water by metal
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A. 2, 6, 3 ions is very likely in a soil that has high
B. 1, 4, 2 A. acidity
C. 2, 4, 1 B. alkalinity
D. 2, 4, 2
4. 20 cm3 of H2 mixed and separated with

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C. chloride content
D. nitrate content
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100 cm3 of air containing 21% O2. Calculate 11 . Producer gas is a gas with low calorific
the volume of the residual gases at 110℃. value because it contains more
A. 31 cm3 A. CO2 than O2
B. 11 cm3 B. N2 than CO
C. 90 cm3 C. CO2 than N2
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D. 110 cm3 D. N2 than CO2
5. What is responsible for metallic bonding? 12. For most reversible reactions,
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A. Sharing of electrons between the metal A. the reaction rate increase with time
atoms B. the reaction rate decreases with time
B. Attraction between the atomic nuclei and C. the rate stabilizes with time
the cloud of electrons D. the rate produces a curve with time
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C. Transfer of electrons from one atom to

another 13. Which of the following compounds will
D. Attraction between positive and negative leave a metal residue when heated?
ions A. Cu(NO3)2
B. AgNO3
6. 25 cm3 of 1.5 M solution of NaCl are added C. K2CO3
to 50 cm3 of 3 M NaCl. The molar D.Na2CO3
concentration of the resulting solution is
A. 2.5 M 14. Which of the polymers contains nitrogen?
B. 3 M A. Nylon
C. 2.25 M B. PVC
D. 4.5 M C. Polyethene
D. Cellulose
7. A solution of salt formed from HCl and NH3
solutions is 15. A red precipitate of copper(I)dicarbide is
A. acidic formed when ammonium solution of
B. basic copper(l) chloride is introduced into
C. complex A. CH2=CH-CH2-CH3
D. neutral B. CH3-CH2-C≡CH
C. CH3-CH2-CH2-CH3
24
D. CH3-C≡C-CH3
ANSWERS TO CHEMISTRY
2007/2008
1. A 2. D 3. C 4. D 5. B 6. A 7. A 8. B 9. A
10. D 11. B 12. C 13. B 14. A 15. D

QUESTIONS AT
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25

COMPREHENSION B. the writer does not know to use
punctuation correctly punctuation correctly.
INSTRUCTION: Read the passage carefully C. the writer wants to distinguish between
and answer the questions that follow it. concept and a subject.
D. it is the normal way of writing about the
Mathematics is the language in which the sciences.
Book of Nature is written: Mathematics is the E. the writer is confused.
queen of the sciences. It is universally
agreed that Mathematics is the backbone of 4.The last sentence in the passage, “So if
Science and Technology. For without Mathematics is not an art, what is art?” is a
mathematics, the engineer is but an artist or _____.
a sculptor. He can build his bridge, attest to A. question for the reader to answer.
its form and beauty, but without B. statement put in form of a question.
mathematics he cannot guarantee its C. question combined with a statement.
reliability to serve the purpose for which it is D. mathematical question stated in words.
built. Mathematics is indeed the science of E. pattern which illustrates beauty, harmony
sciences. It is also art of all arts. It is right, and order in language.
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legitimate and defensible to consider
mathematics as an Art. The poet, the 5. "Mathematics" can be considered as a
musician, the artist and the mathematician form of art because _____
have a lot in common. Fundamental to all
their studies and works is their common
interest in the logical study of related
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A. its main principles is made use of by the
arts.
B. it involves drawing in figures.
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concepts and objects to form patterns which C. it is a form of Fine Arts. .! -
will produce beauty, harmony and order. D. it is a type of Graphic Arts
Thus. the poet arranges words to produce a E. it also involves a study of beauty,
pattern called music; the artist arranges harmony and order
colours to produce a pattern called painting
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and the mathematician arranges abstract In questions 6 and 7 Choose the Word
ideas into a pattern using symbols, to that has been correctly spelt
produce equations. Each 01. these patterns -
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the poem, the music, the painting and the 6. It is not easy to ______ jobs sweeping in
equation must stand up to the test of the the streets and on campus.
same order, harmony and beauty. So, if A. maneuver
Mathematics is not an art, what is art? B. manouever
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C. maneuver
1. The views expressed in this passage D. maneuver
belong to
A. JAMB 7. The defendant claimed he had been
B. artists ______ into making a statement
C. mathematicians. A. coarced
D. the poet B. coaxed
E. the author of the passage C. coarsed
D. coerced
2. The expression "Mathematics is the queen
of sciences- contains In questions 8-10 choose the option that
A. a contradiction best completes the gap
B. an analogy
C. an irony. 8. I have reminded him that he is the only
D. a lie ______ can solve my problem.
E. nonsense A. who
B. which
3. "Mathematics'' is written with a capital M C. that
in this passage because D. whom
A. the writer a mathematician,
26
9. My sister has ____ several food packages one represented by the letter(s)
for my birthday party. underlined
A. laid on
B. layed up 15. Echelon
C. laid off A. Church
D. layed on B. Character
C. Chief
10. Many students were _____ into rioting by D. Chassis
the more radical ones
a. guided
B. gathered ANSWERS TO ENGLISH
C. guarded
D. goaded 2008/2009 P/UTME
In question 11 choose the option that 1. E 2. B 3. C 4. B 5. E 6. A 7. D 8. C 9. A
explains the information conveyed in the
sentence. 10. D 11. D 12. B 13. D 14. C 15. D
11. Posters have been printed, and would be

distributed to the rank and file. DOWNLOAD MORE FREE PAST
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A. to both the ordinary members and the QUESTIONS AT
leaders.
B. to those of high ranks and file.
C. to the leaders alone.
D. to the ordinary members alone. .n
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In questions 12 and 13, choose the
option nearest in meaning to the
word(s) in italics
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12. Because more reliable evidence is needed

to prosecute the case, it is now in abeyance.
A. court record
B. suspension
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C. privacy
D. secret
13. In the olden days. mothers of twins were

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never accepted as members of the society.

They were simply _____.
A. banished
B. excommunicated
C. expelled
D. ostracized
In question 14, choose the option that

has the same vowel sound as the one
represented by the letter(s) underlined
14. Flood
A. Stop
B. flock
C. blood
In question 15 choose the option that

has the same consonant sound as the
27

1. From the following list of types of 9.Which of these plants is not a pitcher
mutation, identify the one that is hereditary plant?
A. genetic mutation A. nepenthes
B. somatic mutation B. crotalaria
C. germinal mutation C. sarracenia
D. gametic mutation D. Dionaea
2. Which of these would not be a limiting 10. One of these arthropods is a carrier of
factor in photosynthesis? viruses and other micro organism
A. O2 A. termite
B. CO2 B. ant
C. chlorophyll C. bee
D. light D. flea
3. In a cell digestive enzyme mostly occur in 11. The highly developed cortex of the brain
A. ribosome of man enables us to do the following except
B. lysosome A. think
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C. mitochondria B. reason out
D. plastids C. memorize
4. Which of these is no a lipid?

A. wax
B. sterol
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D. maintain balance of the body
2. Lamp brush chromosome occurs in

A. salivary gland
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C. glycerol B. lymph glands
D. lecithin C. cancer cells
D. oocytes
S. Phototropism is
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A. a unilateral response to light 13. Insulin is secreted by the

B. a bilateral response to light A. gall bladder
C. both unilateral and bilateral response to B. pancreas
light C. liver
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D. a hormonal gradient created within the D. spleen

organ
14. The principal energy storing molecule is
6. The site of protein synthesis in a cell is A. NADP
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A. golgi apparatus B. FAD

B. ribosomes C. ATP
C. lysosomes D. ADP
D. nucleus
15. Each month the uterus lining thickens up
7. On storage, the sweetness of corn is lost. in readiness to receive the fertilized egg. If
This is because the egg is not fertilized, the lining and some
A. polysaccharide is reconverted into soluble blood is lost through the vagina, This is
sugar A. ovulation
B. concentration of sugar increases due to B. gestation
storage C. fertilization
C. of conversion of sugar to polysaccharide D. menstruation
D. enzymes responsible for the conversion
are lost ANSWERS TO BIOLOGY 2008/2009
8. The eye worm is known as 1. C 2. A 3. B 4. C 5. A 6. B 7. C 8. C 9. B

A. Wuchereiria bancrofti
B. Brugia malayi 10. D 11. D 12. D 13. B 14. C 15. D
C. Loa loa
D. Dracunenlus rnedinensis
28

1. A body of mass 5kg initially at rest is the percentage change in volume of the gas
acted upon by two mutually perpendicular is
forces 12N and 5N as shown in the figure A. 25%
below. If the particle moves in the direction B. 75%
QA, calculate the magnitude of the C. 300%
acceleration. D. 1%
6. The thermometric property of a constant

volume of thermometer is
A. change in pressure
B. change in length
C. differential expansion
D. change in volume
7. The combination of sound waves with

different frequencies is known as
A. 2.60m/s2 A. interference
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B. 0.26m/s2 B. diffraction
C.3.40 m/s2 C. superposition
D.1.40 m/s2
2. A car of mass 1500kg goes round a

circular curve of radius 50m at a speed of
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D. resonance
8.Which of the following characteristics of a

wave is used in the measurement of the
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40m/s. The magnitude of centripetal force on depth of the sea?
the car is A. Refraction
A. 1.2 x 102N B. Reflection
B. 1.2 x 103N C. Diffraction
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C. 4.8 x 103N D. Interference

D. 4.8 x 104N
9.Which of the following eye defects can be
3. The efficiency of a machine is always less corrected using a cylindrical lens?
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than 100% because A. Astigmatism

A. load lifted is always greater than work B. Presbyopia
input C. Chromatic aberration
B. load lifted is always greater than the D. Myopia
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applied effort
C. effort applied is always greater than 10. The resistance of a wire depends on
mechanical advantage A. the length of the wire
D. velocity ratio is always greater than the B. the area of the wire
mechanical advantage C. the temperature of the wire
D. all of the above
4. Which of these statements is not true?
Thermostats are used to control the
temperature of 11. A dynamo primarily converts
A. pressure cookers A. mechanical energy into electrical energy
B. laundry irons B. electrical energy into kinetic energy
C. hot water storage tanks C. potential energy into kinetic energy
D. aquaria for tropical fish D. kinetic energy into potential energy
5. A given mass of an ideal gas occupies a 12. If a current carrying coil is mounted on a
volume V at a temperature T and under a metal frame, the back emf induced in the coil
pressure P. lf the pressure is increased to 2P causes
and the temperature reduced to ½ T, then A. inductance
B. eddy current
29
C. electromagnetism ANSWERS TO PHYSICS

D. dipole moment
2008/2009
13. Which of the following may be found in
light nuclei? 1. A 2. D 3. D 4. C 5. A 6. A 7. C 8. B 9. A
i. β- particles
ii. protons 10. D 11. A 12. B 13. D 14. A 15. B
iii. neutrons
iv. ∝-particles
A. i and ii only DOWNLOAD MORE FREE PAST
B. i and iii only QUESTIONS AT
C. i and iv only
D. ii and iii only
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14. The difference between X-rays and γ-rays
is that
A. X-rays arise from energy changes and are
due to electrons while γ -rays come from the
nucleus
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B.X-rays are electromagnetic radiations while
γ -rays are not
C.X-rays have higher frequencies than γ -
rays
D. X-rays are more penetrating than γ -rays .n
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15. When an atom loses or gains a charge, it
becomes
A. an electron
B. an ion
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C. a neutron
D. a proton
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30

1. What are the values of pp q, r and s D. 2I + 2H + H2O2 → I2 + 2H20
respectively in the equation? '
pCH4 + qO2 → rCO +sH2O 8. Temporary hardness of water is removed
A. 1, 2, 1, 2 by the use of the following EXCEPT
B. 1, 3, 2, 2 A. Boiling
C. 2, 3, 2, 4 B. Use Ca(OH)2
D. 2, 3, 2, 2 C. Use of Na2CO3
D. Use of alum
2. KHCO3 is contaminated with K2CO3 as
impurity. If 2.5 g of the impure KHCO3 on 9. Hydration of ions in solution is associated
heating produces 0.224 dm3 of CO2 at s.t.p., with
calculate the percentage of K2CO3 impurity. A. Liberation of heat
(K=39, H = 1, C= 12, 0 = 16) B. Absorption of heat
A.30% C. Reduction of heat
B.40% D. Conduction of heat
C. 10%
D. 20% 10. Apiece of radioactive element has initially
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8.0x1027 atoms. Half-life is two days. After
3. The partial pressure of N2 in a container at 16 days the number of atoms is
50℃ in which there are 0.30 mole of N2 and
1.2 mole of CO2 at a pressure of 2.00 atm is?
A. 0.6 atm
B. 0.5 atm
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A. 5 x 1021
B. 5 x 1022
C. 2 x 1022
D. 2 x 1021
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C. 0.4 atm
D. 1.6 atm 11. Which of the following pairs of
substances are hygroscopic?
4. The major reason why chemical reaction A. CaCl and NaOH
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occurs among elements is that they have the B. CaO and KOH
tendency to C. Conc. H2SO4 and MgCl2
A. attain the nearest noble gas structure D. CuO and CaO
B. become a metal
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C. become a non-metal 12. Zinc is not regarded as a transition metal

D. become a noble element even though it is a d-block element because
A. It has no election in 3d-orbitals
5. Given that the pH of a solution of KOH is B. It has all 3d-orbitals completely filled
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12, what is the concentration oh he OH- ions? C. It blends with other neighbouring
A. 0.01 mol/dm3 elements
B. 1 x 10-12 mol/dm3 D. It does not form complex ions like others
C. 1 x 10-14 mol/dm3
D. 1 x 10-7 mol/dm3 13. Silver chloride turns grey when exposed
to sunlight because
6. Which of the following salt has a pH less A. The silver ion is reduced to silver
than 7? B. The silver ion is oxidized to silver
A. NaHCO3 C. Silver is a transition metal
B. NH4Cl D. The silver chloride forms complexes in the
C. Na2SO4 sun
D. NaCl
14. Which of these compounds exhibits
7. In which of the following reactions. does resonance?
hydrogen peroxide act as a reducing agent? A. Benzene
A. PbO2 +2HNO3 + H2O2→ Pb(NO2)3 + 2H2O B. Ethanol
+ O2 C. Propene
B. H2S _H2O2 → S + 2H2O D. Butyne
C. PbSO2 + H2O2 → PbSO4 + H2O
31
15. Hydrolysis of CH3COOCH2CH3 in dilute

HCI produces
A. CH3COOH + CH3CH3
B. CH3CH2OH. + CH3COCl
C. CH3COOH; + CH3CH2OH
D.CH3COOH + CH3CH3
2008/2009
1. A 2. D 3. B 4. A 5. A 6. A 7. A 8. D 9. A
10. – 11. D 12. B 13. D 14. A 15. C

QUESTIONS AT
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32
COMPREHENSION C. human
D. benevolent
INSTRUCTION: Read the passage below E. thorough
carefully and answer the questions 1-5 that
follow. 4. "We must consciously try to establish
equilibrium" in the passage implies that
All over the world till lately, and in most of mankind must
the world till today mankind has been A. realistically find an equation.
following the course of nature: that is to say, B. strive not to be wasteful.
it has been breeding up to maximum. To let C purposely try to fight nature.
nature, take her extravagant course in the D. try to fight nature;
reproduction of the human race may have E. deliberately find a balance.
made sense in an age in which we were also
letting her take her course in decimating 5. The main idea of this passage is that
mankind by the casualties of war, pestilence, A. nature is heartless.
and famine. Being human, we have at least B. man should control the birth rate
revolted against that senseless waste. We C. mankind will soon perish of Starvation.
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have started to impose on nature's heartless D. pestilence causes more deaths than war.
play a humane new order of our own. E. man should change nature's course
But, once man has begun to interfere with

nature, he cannot afford to stop half way. We
cannot, with impunity, cut down the death-
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gradually
In questions 6 and 7, select the option

that best explains the information
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rate and at the same time allow the birth- conveyed in the sentence
rate to go on taking nature's course. We
must consciously try to establish an 6. With the screening test around the corner,
equilibrium or, sooner or later, famine will I've got the jitters already.
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stalk aboard again. A. I've felt confident.

B. I've felt secured and hopeful.
1.The author observes that C. I’m getting anxious.
A. war, pestilence and famine were caused D. I’m getting afraid
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by the extravagance of nature.

B. nature was heartless and senseless. 7. The teacher warned her students against
C. there was a time when uncontrolled birth resting on them
made sense. A. relaxing on soft chairs
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D. it was wise at a time when mankind did B. taking things for granted
not interfere with normal reproduction. C. depending on past achievements
E. nature was heartless in its reproductive D. feeling satisfied and making no new
process. efforts
2, Which of these statements does not In questions 8-11, choose the word(s)
express the opinion of the author? that best completes the meaning in the
A. mankind has started to interfere with the sentences
work of nature.
B. many people had died in the past through 8. The door handle was shaky because the
want and disease. screws had____
C. mankind should have the maximum A. lost
number of children possible B. loosed
D. mankind should take care of its children C. losed
E. man's present relationship with nature in D. loosened
matters of birth and death is a happy one.
9. Something is being done to detect the
3. "Humane" as used in the passage means person who____ the crime.
A. sensible A. perpetrated
B. wise B. perpetuated
33
C. performed USE OF ENGLISH

D. promoted .
2009/2010 ANSWERS
10. The lawyer pleaded with the judge to
_______ justice with mercy. 1. C 2. E 3. A 4. E 5. B 6. C 7. D 8. D 9. A
A. tempar
B. temper 10. B 11. B 12. C 13. B 14. C 15. D
C. tamper
D. taper
11. Obi bought five novels last week and has QUESTIONS AT
gone through all. He is totally a_____ reader.
A. vicarious
B. voracious
C. vivacious WWW.PREP.NG
D. veracious
In questions 12 and 13, choose the

option nearest in meaning to the
word(s) or phrase(s) in italics
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12. He lost his voice momentarily.
A. in a moment
B. in a split moment .
C. for a brief period of time
D. without delay
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E. instantly
13. In some parts of India, people are

ostracized simply because of their ancestry.
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A. abandoned
B. shut off from society
C. refused education
D. rendered unhappy
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E. hated
In questions 14-15 choose the word(s)

or phrase which best fills the gap(s)
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14._____ him in the crowd, 1 would have

told you at
once.
A. Had it been 1 saw
B. if I saw
C. Had I seen
D. Should 1 see
15._____ he had insufficient qualification; he

was
denied admission.
A. Hence
B. For the fact
C. Being
D. As
34

1. The bryophytes are important parts of D. temperature
certain food chains because they
A. grow in great masses 8. Discontinuous variations is observed in a
B. play a role in the natural aging of lakes man using the following
and ponds A. tongue rolling
C. they choke up other life forms in the lakes B. body weight
D. they resemble green algae C. height
D. skin colour
2. In many plants, the growing tips elongate
fastest and are said to be 9. The bone illustrates the structure of
A. meristematic A. lumber vertebra
B. apically dominant B. thoracic vertebra
C. phototropic C. caudal vertebra
D. geotropic D. cervical vertebra
3. Movement of water through a semi 10. A sex-linked defect that allows small cuts
permeable membrane because the to bleed severely is known as
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membrane moves or expands thus A. anaemia
overcoming the resistance of hydrostatic B. anorexia
pressure is referred to as
A. diffusion
B. osmosis
C. osmotic potential
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C. haemophilia
D. haemolysis
11. In the adult mammalian blood, the cell

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D. turgor pressure which lack nuclei are the
A. erythrocytes
4. When the chromosomes condense and the B. lymphocytes
nucleoli and nuclear membrane disappear, C. leucocytes
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the cell is said to be undergoing D. phagocytes

A. metaphase
B. prophase 12. In which of the following groups of plant
C. anaphase fruits is the pericarp inseparable from the
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D. telophase seed coat?

A. caryopsis
5. While the metabolizing enzymes are B. nut
inducible other enzymes are said to be C. follicle
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A. synthetases D. cypsela
B. repressible
C. will bind the operator 13. The part of the brain that controls body
D. will not bind the operator posture in mammals is
A. thalamus
6. In which of the following organisms does a B. cerebrum
single cell perform all the functions of C. spinal cord
movement, nutrition, growth, excretion, and D. cerebellum
photosynthesis
A. paramecium 14. The ability of an organism to' survive in
B. euglena air environment successfully known as
C. amoeba A. residence
D. spirogyra B. adaptation ,
C. secession
7. An important abiotic factor that affects D. competition
plants and animals in their habitats is
A. turbidity 15. One of the adaptations to life, on a tree
B. rainfall by a monkey is its possession of digits which
C. wind direction are
35
A. long
B. opposable
C. extensible
D. big
BIOLOGY 2009/2010
ANSWERS
1. A 2. A 3. B 4. B 5. B 6. B 7. D 8. A 9. -
10. C 11. A 12. A 13. D 14. B 15. B

QUESTIONS AT
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1. A body falls freely under gravity (g = 9.8 7. A beam of light is incident from air to
m/s2) from a height of 10 m on top of a water at an angle of 30°. Find the angle of
platform 0.8 m above the ground. Its velocity refraction if the refractive index of water is
on reaching the platform is 4
/ 3.
A. 7848 m/s A. 15°
B. 80 m/s B. 18°
C. 78 m/s C. 22°
D. 27.78 m/s D. 240˚
2. A hydrometer is an instrument used for 8. The wavelength of signal from a radio

measuring the transmitter is 1500m and the frequency is
A. depth of water in a vessel 200KHz. What is the velocity of the
B. relative density of a liquid by method of propagation?
flotation A. 3 x 108ms-2
C. relative density of a liquid by finding the B. 7 x 103ms-2
apparent loss in weight C. 3 x104ms-2
D. relative humidity of the atmosphere D. 7ms-2
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3. A bead traveling on a straight wire is 9. A boy on looking into a mirror discovers
brought to rest at 0.2 m by friction. If the that his face appeared to have grown bigger.
mass of the bead is 0.01 kg and the
coefficient of friction between the bead and
the wire is 0.1, determine the work done by .n
The boy must have been looking at a
A. convex mirror with his face at the focus
B. concave mirror with his face between the
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friction. focus and the mirror
A. 2 x10-4 J C. convex mirror with his face between the
B. 2 x 103 J focus and the mirror
C. 2 x 101 J D. concave minor with his face at this focus
D. 2 x 102 J
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10. Find the frequencies of the first three

4. A machine whose efficiency is 60% has a harmonics of a piano string of length 1.5m, if
velocity ratio of 5. If a force of 500N is the velocity of the string is 120m/s.
applied to lift a load of P(N), what is the A. 40Hz, 80Hz, 120Hz
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magnitude of P? B. 180Hz, 360Hz, 540Hz

A. 750N C. 80Hz, 160Hz, 240Hz
B. 4166N D. 36011z, 180Hz, 90Hz
C. 500N
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D. 1500N 11. The resistance of a piece of wire of length

20 cm and cross-sectional area 8 x 105 m2
5. A mass of gas at 7°C and 70cm of and resistivity 4 x 10-7 Ωm is
mercury has a volume of 1200 cm3. A. 1.0 Ω
Determine its volume at 27°C and a pressure B. 10.0 Ω
at 75cm of mercury. C. 400.0 Ω
A. 1200 cm3 D. 1.0 x 10-13
B. 1378 cm3
C. 4320 cm3 12. An electric device is rated 2000W, 250 V.
D. 4629 cm3 The correct fuse rating of the device is
A. 8A
6. A motor tyre is inflated to a pressure of B. 9A
2.0 x 105 Nm-2 when the temperature of air is C. 7A
27°C. What will be the pressure at 87°C D. 6A
assuming the volume does not change?
A. 2.6 x10-5 Nm-2 13. Determine the inductive reactance when
B. 2.4 x 10-5 Nm-2 a 30.0mH inductor with negligible resistance
C. 2.2 x 10-5 Nm-2 is connected to a 1.3 KHz oscillator
D. 1.3 x 10-5 Nm-2 A. 39.0Ω
37
B. 122.5Ω ANSWERS TO PHYSICS

C. 245.0Ω
D. 39KΩ 2009/2010
14. The half-life of a radioactive clement is 1. – 2. B 3. B 4. D 5. A 6. B 7. C 8. A 9. B
9days. Calculate the fraction that remains
after 36days. 10. A 11. D 12. A 13. C 14. B 15. C
A. 1/32
B. 1/16
C. 1/4 DOWNLOAD MORE FREE PAST
D. 15/32 QUESTIONS AT
15. The graphite rods surrounding the

uranium fuel rods in a nuclear reactor are
used to WWW.PREP.NG
A. absorb the neutrons and hence halt the
nuclear process
B. create the neutrons- and hence slow down
the nuclear process
C. slow down the neutrons and hence slow
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down the nuclear process
D. speed up the neutrons and hence speed
up the nuclear process
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38

1. The presence of NaCl in ice will C. 20 cm3 of M/8 HCl
A. lover the boiling point of NaCl D. 15 cm3 of M/2 HCl
B. increase the melting point of NaCl
C. make NaCl impure 8. Which of the following is an acid salt?
D. lower the melting point of ice A. (NH4)2CO3
B. CHCOONa
2. What are the values of x, y and z in the C. KHSO4
equation below? D. MgSO4.7H20
xNH3 + yO2 → zNO + 6H2O
A. 2, 3, 4
B. 4, 5, 4 9. 𝐶𝑟𝑂72− + 14𝐻 + + 6𝐼 → 2𝐶𝑟 3+ + 3𝐼2 + 7𝐻2 𝑂
C. 6, 5, 4 The change in the oxidation number of
D. 2, 3, 4 oxygen in the equation above is
A. 0
3. Calculate the volume of CO2 measured at B. 1
sip produced on heating 250g of potassium C. 2
hydro, trioxocarbonate(IV) strongly. (K = 39, D. 7
g
H = 1, C=12, O=16)
A. 28 dm3 10. During the electrolysis of CuSO4, solution
B. 2.8 dm3
C. 5.6 dm3
D. 11.2 dm3 .n
using Platinum electrodes, which of the
following occurs?
A. Acidity increases at the cathode
B. Oxygen is liberated at the cathode
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4. The boiling points of water, ethanol, C. pH decreases at the cathode
methylbenzene and butan-2-ol are 373.0K, D. pH of solution decreases
351.3K, 383.6K and 372.5K respectively.
Which liquid has the highest vapour pressure 11. Which of the following ions is a pollution
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at 323.0K in drinking water even in trace quantities?

A. Water A. 𝐶𝑎2+
B. Methylbenzene B. 𝑃𝑏 2+
C. Ethanol C. Mg2+
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D. Butan-2-o1 D. Fe2+
5. The conclusion from Rutherford’s alpha- 12. The solubility of a salt of molar mass
scattering experiment is that 100g at 20°C is 0.34mol/dm3. If 3.4g of that
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A. Atoms are mostly empty space with a salt dissolved completely in 250cm3 of water
small nucleus at that temperature, the resulting solution is
B. Emissions from radioactive substances A. A suspension
consist of three main components B. Saturated
C. There is a nuclear pull on orbital electron. C. Unsaturated
D. Electrons are deflected by both magnetic D. Supersaturated
electric fields
13. Catalyst is important in chemical industry
6. Elements P, Q and R have atomic numbers in that
9, 16 and 20 respectively. Which of them A. It affects the purity of the products
would gain electron(s) during ionic bonding? B. It affects the quantity of the products
A. Q and R C. It increases the time for reaching
B. P and R equilibrium
C. P and Q D Bond breaking is slowed down
D. P, Q and R
14. alkanoic acid has a molecular mass of 88.
7. Which of the following has the lowest pH? Name the acid. (C= 12, 0 16, H= 1)
A. 5 cm3 of M/10 HCl A. Propanoic acid
B. 10 cm3 of M/10 HCl B. Butanoic acid
39
C. Pentanoic acid
D. But-2-ionic acid
15. Ethyne undergoes the following reactions

except
A. Polymerization
B. Addition
C. Substitution
D. Etherification
2009/2010
1. D 2. B 3. A 4. C 5. A 6. C 7. D 8. D 9. A
10. D 11. B 12. C 13. C 14.B 15. D
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USE OF ENGLISH 2010/2011 QUESTIONS [SESSION 1]
COMPREHENSION training of our traditional birth attendants

with a view to incorporating them into our
INSTRUCTION: Read the passage health services, healthy practices such as the
carefully, and answer the questions that one described above must be maintained and
follow it. encouraged.
Although our aim is to nurture children, 1. In the passage there is an attempt to

Nigerian children are still subjected to severe explain that to ensure a totally healthy child
physical, social and mental stress as they A. it is necessary to concentrate on the
develop. So far, our interest and activities child's physical well-being alone
have been to ensure their physical well-being B. it is essential to reduce the high child
through the reduction of high mortality and mortality and morbidity rate
morbidity rates, still inadequate as this may C. it is necessary to take care of other things
be. But we need to examine from time to in addition to the child's physical well-being
time the other needs of the Nigerian child D. it is important to keep to the rules of
which will ensure a totally healthy hygiene
development. E. it is necessary to copy foreign ways of
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bringing up children
We are split between two cultures our
traditional and the western, a relic of our
colonial past. This also affects our child
rearing practices. Therefore, these practices
must have a very important bearing on how
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2. It is said that differences in ways of
bringing up children and educating them
A. achieve the same results
B. are reflected in the personalities, attitudes
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the child is prepared for our world of today and achievements of the individual
so that he fits into our different personalities C. make people aggressive
in terms of motivation, aggressiveness, D. have nothing to do with educational
achievement and the integration of the attainments
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individual into the community socially and E. are a matter of the cultural background of
culturally. It is important that, while we the people
struggle with the visible organic diseases, we
fix our gaze on the other important measure 3. Since the training for social adjustment
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to attain this one a healthy child. begins from the moment of birth, our
traditional practices
The process of social adjustment begins from A. are too uncivilized to be helpful
the moment of birth. Many of our traditional B. need to be modernized
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birth practices ensure that the mother either C. ate very helpful to the proper growth of
carries or suckles her child immediately after the child
birth. The baby therefore comes into close D. make the child stranger to modern
contact with the mother at this critical time. civilization
Moreover, she is forced to stay indoors with E. are the cause of under-development
the baby for varying periods of time. By this
means, the attachment of the baby to the 4. In spite of the fact that the western
mother, so essential for the child's ability to countries now recognize the importance of
relate to her in future, is secured. the early period of
childhood in forming a relationship, Nigerian
This crucial moment in the baby's life is now hospitals and maternity homes
being recognized in western countries, whilst A. copy the wrong-western practice now
birth practices in some hospitals and being criticized in western countries .
maternity homes separate mother and child B. improve on local practices and the future,
immediately after birth to the extent that of the child is secure
their ability to develop a close relationship C. ensure that the child is brought up in the
may be jeopardized. Our Nigerian child of right way
today may, therefore, be worse off than that D. ensure that the child develops the right
of yesterday. As we move towards the skills - for establishing relationships
41
E. do not know which practice to choose In each of the questions in this section,
choose the option that best completes
5. Unless the training of our traditional birth, the gap.
attendant is based on healthy practices
A. our children will be under-developed 11. The rain......when the accident took
B. our children will be worse off than those place.
brought up in the traditional way A. has stopped
C. our medical services will be unable to B. stopped
provide the right services C. was stopped
D. our economic progress will be adversely D. had stopped
affected
E. the role of the mother will be rendered 12. Players for the next FIFA world
useless competition have been _____.
A. choosen
In the following sentences, choose the B. chosed
word that is SIMILAR IN MEANING to C. chosen
the word italicized/underlined in each of D. choosed
the sentences.
13. The boy was ____ by snake early this
6. We consider the recent silver jubilee morning.
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celebration in the state a very historic event. A. beaten
A. important B. bitten
B. memorable
C. ancient
D. critical .n
C. bit
D. bite
14. It is desirable that you ____ there when

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7. The governor's address during his recent he arrived.
visit to our town was delivered extempore. A. be
A. out-of-hand B. are
B. timely C. will be
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C. off-hand D. should be
D. expertly
15. If I _____ in Udenta’s position, I would
8. One of the candidates was handed over to go into politics.
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the police for attending the interview with A. am

spurious credentials. B. was
A. false C. were
B. incomplete D. be
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C. unsigned
D. altered ANSWERS TO USE OF ENGLISH
9. There is a theory that postulates that all
2010/2011 (Session 1)
Nigerian languages derive from one source.
1. C 2. B 3. C 4. A 5. B 6. B 7. C 8. A 9. C
A. confirms
B. affirms
10. B 11. D 12. C 13. B 14. B 15. C
C. suggests
D. emphasizes
10. The candidate was disqualified as a result

of his irreverent behaviour. DOWNLOAD MORE FREE PAST
A. shameful QUESTIONS AT
B. disrespectful
C. careless
D. abnormal
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USE OF ENGLISH 2010/2011 QUESTIONS [SESSION 2]
COMPREHENSION 1. The risk referred to in the passage is

______.
INSTRUCTION: Read the passage carefully, A. environmentally induced
and answer the questions that follow it. B. industrially produced
C. man-made
Our planet is at risk. Our environment is D. sociologically produced
under threat. The air we breathe, the water
we drink, the seas we fish in, and soils we 2. From the passage, it can be deduced that
farm, the forests, animals and plants which the inhabitants of developing countries
surround us are in danger. New terms and A. take more care of their environment than
words describe these problems - acid rain, those in developed countries
the greenhouse effect, global warming, holes B. generate more harmful industrial by-
in the ozone layer, desertification and products
industrial pollution. We are changing our C. degrade the environment to eke out a
environment. More and more gases and livelihood
wastes escape from our factories. Rubbish, D. cut down trees only for farmlands and fuel
oil spillages and detergents damage our
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rivers and seas. Forests give us timber and 3. According to the passage, the size of
paper, but their loss results in soil erosion forest depleted annually is
and also endangers wildlife.
The richer countries of the world are mainly

responsible for industrial pollution. This is
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A. minimal
B. colossal
C. infinitesimal
D. Infinite
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where most of all the commercial energy is
produced. In developing countries, poverty 4. The writer holds the richer countries
cause people to change their environment to responsible for industrial pollution because of
overgraze grassland, to cut down trees for their _____.
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new land and firewood, to farm poor soil for A. technological innovations
food. B. energy requirement
C. industrial revolution
The United Nations Environmental Protection D. lack of interest in environmental
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Agency says that an area of forest the size of protection

Sierra Leone disappears every year. Trees
are cut down for timber which is used for 5. The message of the writer is the _____.
building, furniture, paper and fuel. They are A. need for the developed countries to assist
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also destroyed to provide land on which to the poorer ones

graze animals and build new villages and B. grave dangers of global warming
towns. But trees have many other important C urgent need to protect the natural
uses. Trees protect the land from heavy environment
downpour of ram and their roots help to hold D need to research into other uses of the
the soil together. Forests are also the home trees in our forest
of many living things. The Amazon forest
contains one fifth of all the species of birds in In the following sentences, choose the
the world. In our forests, there may be word that best completes the meaning in
plants and animals which could help in the each of the sentences.
discovery of new medicines of crops.
To rescue and conserve our beautiful world, 6. The manager failed to control his staff
we must act cooperatively. Individuals, because he was very ______.
communities, nations and international A. rash
associations, all have a responsibility. By B. indiscreet
learning to protect the natural environment, C. reckless
we can manage the earth's resources for D. tactless
generations to come.
43
7. The usefulness of the fertilizer in modem 14. There is no point dissipating energy on a
farming should be widely ...... useless argument.
A. diffused A. destroying
B. disseminated B. marshalling
C. spread C. storing
D. scattered D. conserving
8. He was the only candidate who failed the 15. There is much apathy among youths
interview. So, he had to bear his ____. nowadays towards reading novels.
A. disaster A. indecision
B. misfortune B. indifference
C. catastrophe C. enthusiasm
D. calamity D. inclination
9. The death of the night-guard continues to

be a _____ to the police. ANSWERS TO USE OF ENGLISH
A. confusion
B. puzzle
2010/2011 (Session 2)
C. quagmire
1. C 2. C 3.B. 4. B 5. C 6. D 7. B 8. B 9. B
D. problem
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10. C 11. C 12. A 13. D 14. D 15. C
10. A few politicians were ______ from the
accusation of wrong doing.
A. restrained
B. rescued
C. absolved
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QUESTIONS AT
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D. precluded
In the following sentences, choose the

word that is OPPOSITE IN MEANING to WWW.PREP.NG
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the word in italic/underlined in each of

the sentences
11. The officer has commended the cordial

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relationship existing between the soldiers and

the civilians.
A. disordered
B. confused
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C. strained
D. unfortunate
12. Many foreign experts would like to

establish in this country because the
environment is congenial.
A. hostile
B. inhospitable
C. aggressive
D. offensive
13. The new chairman has exhibited

prudence in his handling of the revenue.
A. impudence
B. shabbiness
C. dishonesty
D. recklessness
44
BIOLOGY 2010/2011 QUESTIONS [SESSION 1]
1. Which of the following parts of a cell is D. The cytoplasm fills up the entire cell space
living?
A. Cell wall 9. In a transverse section of a divot stem,
B. Calcium oxalate A. The xylem is more deeply located than the
C. Food vacuole phloem
D. Mitochondria B. The cambium lies between the vascular
bundles and the cortex
2. Cells without an organized nucleus are C. The epidermis is completely encircled by
called the cortex
A. Heterokaryote D. The vascular bundles are randomly
B. Eukaryote distributed within the cortex
C. Prokaryote
D. Synkaryote 10. The spongy mesophyll is a tissue found in
A. Animal cells
3. The sites for energy transfer within cell are B. Plant leaves
known as C. Plant roots
A. Golgi apparatus D. Plant stem
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B. Parenchyma
C. Mitochondria 11. In the nephron, reabsorption of water
D. Nucleolus
4. Food and dissolved oxygen pass from-the

water directly into the amoeba by a. process
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takes place in the
A. Bowman's capsule
B. Glomerulus
C. Renal tubules
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called D. Selective membranes
A. Transport
B. Diffusion 12. The mixture of a food substance and-
C. Fission Benedict's solution was warmed. The solution
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D. Transpiration changed from blue to brick-red indicating

that there is
5. Which one of these functions is not A. Fatty acid
performed by the nervous system? B. Sucrose
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A. Receive sensory input from internal and C. Amino acid

external environment D. Reducing sugar
B. Digestion
C. Integration 13. Sperm cells are produced in the
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D. Response to stimuli A. Penis

B. Bladder
6. In man, gas exchange occurs in the C. Testes
A. Heart D. Prostrate
B. White blood cells
C. Lungs 14. Photosynthetic pigments are localized in
D. Kidney A. Chloroplast
B. Stroma
7. Three chambered heart is found in C. Stomata
A. Insects D. Night blindness
B. Amphibians
C. Man 15. If a person lives exclusively on a diet of
D. No animal milk, egg and bread, he is likely to suffer
from
8. A plant cell is different from an animal cell A. Scurvy
because B. Rickets
A. The nucleus is pushed to the centre C. Beri-beri
B. The nucleus is small D. Night blindness
C. The cell wall is made of cellulose
45
BIOLOGY 2010/11
ANSWERS [SESSION 1]
1. D 2. C 3. C 4. B 5. B 6. C 7. B 8. C 9. A
10. B 11. C 12. D 13. C 14. A 15. A

QUESTIONS AT
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46
1. The joint of a skeleton that allows D. Malaria

movement in only one plane is
A. ball and socket joint 10. In which region of the human body does
B. gliding joint the adult filarial worm reside?
C. vertebral joint A. Muscle
D. hinge joint B. Nervous system
C. Blood
2. Incomplete metamorphosis is found in D. Lymph
these organisms except
A. Dragon fly 11. An animal shows resemblance with its
B. House fly surroundings. This phenomenon is called
C. Locust _____.
D. Cockroach A. Mimicry
B. Camouflage
3. Which one of these insects is to be found C. Ammensalism
in flour mills? D. Photo-cooperation
A. Trogoderma
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B. Tribolium 12. Which one is not an insect?
C. Sitophilus A. Tick
D. Callosobruchus
4. The unit of heredity is

A. Chromosome
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B. Ant
C. Beetle
D. Locust
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B. Gene 13. Bowing of legs in children is due to the
C. Chromatid deficiency of
D. Centromere A. Vitamin D
B. Vitamin A
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5. The site of fertilization in humans is C. Vitamin B-complex

A. Ovary D. Vitamin K
B. Fallopian tube
C. Vagina 14. Which one of the following organs does
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D. Uterus not produce any hormone?

A. Spleen
6. Fish liver oil is rich in B. Ovary
A. Vitamin A & D C. Kidney
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B. Vitamin C & E D. Placenta

C. Vitamin A & E
D. Vitamin A & K 15. Horizontal stems that grow below the
ground often near the surface of the soil are
7. In animals, food is stored as A. Rhizomes
A. Glucose B. Bulbs
B. Fructose C. Tubers
C. Glycogen D. Corms
D. Starch
BIOLOGY 2010/11
8. June 5 each year is associated with
A. AIDS day ANSWERS [SESSION 2]
B. Ozone day
C. World environment day 1. D 2. B 3. B 4. B 5. B 6. A 7. C 8. C 9. A
D. World population day
10. D 11. B 12. A 13. A 14. A 15. A
9. Leishmania donovani causes
A. Kala-azar
B. Elephantiasis
C. Sleeping sickness
47
PHYSICS 2010/2011 QUESTIONS [SESSION 1]
1. Two forces whose resultant is 100N are at 7. An astronomical telescope is said to be in

right angles to each other. if one of them normal adjustment when the
makes an angle of 30° with the resultant, A. eye is accommodated
find the magnitude of the other force. B. focal length or objective lens is longer
A. 8.66 N than that of the eye piece
B. 86.6 N C. final image is at the near point of the eye
C. 50.0 N D. final image is at infinity
D. 5.0 N
8. Dispersion of light by a glass prism is due
2. A body of weight W N rests on a smooth to the
plane inclined at an angle θ° to the A. different hidden colours of the glass
horizontal. The component of the weight B. different speeds of their various colours in
down the slope is glass
A. W sin θ C. defects in the glass
B. W cos θ D. high density of glass
C. W tan θ
D. W sec θ 9. A guitar string of length 33cm is under a
g
tension of 55N. If the fundamental frequency
3. A body of mass 100g moves with a is 196Hz, find the speed of wave on string.
velocity of 10.0ms-1 and collides with a wall.
After the collision, the body moves with a
velocity of 2.0ms-1 in the opposite direction. .n
A. 6m/s
B. 0.33m/s
C. 129m/s
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The change in momentum is
A. 8.0 Ns 10. A transformer has 400 turns as its
B. 1.2 Ns primary winding and 100 turns as secondary
C. 12.0 Ns winding. If the primary coil is connected to a
D. 80 Ns 12V source, the transformer functions as
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A. a step-down transformer with secondary

4. A 12V battery supplying a current of 20A emf= 6V
was used to melt 1.5kg of ice at 0°C. B. a step-down transformer with secondary
Calculate the time required if the latent heat emf= 3V
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of fusion of ice is 336 × 103J/Kg. C. a step-up transformer with secondary emf

A. 35.0 min - 24V
B. 3.5 min D. a step-up transformer with secondary emf
C. 76 min - 48V
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D. 21.0min
11. A battery of internal resistance of 2Ω has
5. The light from the sun reaches the earth a voltage of 4.0V when supplying a current of
mainly by. 2.0A. Calculate the terminal voltage if it now
A. convection supplies a current of 3.0A.
B. conduction A. 2.0V
C. radiation B. 6.0V
D. reflection C. 1.5V
D. 12.0V
6. One valid assumption of the kinetic theory
of gases is that 12. The purpose of a dielectric material in a
A. the molecules are in random motion and parallel plate capacitor is to
the number of collisions is constant A. increase its capacitance
B. the number of molecules increases with B. decrease its capacitance
the pressure C. insulate the plates from each other
C. the molecules of the gas are all identical D. increase the magnetic field between them
and are very small in size
D. the number of molecules increases with
temperature
48
13. The name of an atom is associated with ANSWERS TO PHYSICS

its atomic number Z, mass number A and
neutron number N. Therefore: 2010/2011 (SESSION 1)
A. A= Z+N
B. Z= A+N 1. C 2. A 3. B 4. A 5. C 6. C 7. D 8. B 9. D
C. N= A+Z
D. A= N-Z 10. B 11. B 12. A 13. A 14.A 15. D
14. A nuclear reaction initiated by adding

neutron is called DOWNLOAD MORE FREE PAST
A. nuclear fission QUESTIONS AT
B. nuclear fusion
C. nuclear enrichment
D. radioactivity
WWW.PREP.NG
15. The mass defect resulting from a
thermonuclear reaction is 9.8x 10-30Kg.
Calculate the energy released.
Take c= 3 x 108m/s
A. 2.94 x 10-22 J
g
B. 8.82 x 10-22 J
C. 8.82 x 10-14 J
D. 8.82 x 10-13
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49
1. Which of the following statements is true 7. The equation of a wave traveling Along the
of the period of a simple pendulum? positive x-direction is given by
A. it depends on the mass of the bob and the y = 0.20sin(500t - 20x). The amplitude,
acceleration due to gravity angular frequency and wavelength of the
B. it depends on the length of the string and wave are respectively given by
the acceleration due to gravity A. 0.2 cm, 500rad/s, 20 cm
C. it depends on the mass of the bob and the B. 0.2 cm, 500rad/s, 0.1 πcm
length of the string C. 0.2 cm, 2x10-3 rad/s, 0.1πcm
D. it depends on the mass of the bob, the D. 5 cm, 2x 10-3 rad/s, 0.05cm
length of the string and acceleration due to
gravity 8. When a plane mirror at which a ray of light
is incident is rotated through an angle θ, the
2. A boat travels due east with a speed of reflected ray will be rotated through
40ms-1 across a river flowing due south at A. 1/2θ
30ms-1. Calculate the resultant speed of the B. θ
boat. C. 2 θ
A. 1.3 ms-1 D. 3 θ
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B. 10.0 ms-1
C. 50.0 ms-1 9. The quality of sound depends on its
D. 70.0 ms-1
3. The atmospheric pressure due to water is

1.3 x 106 Nm-2. What is the total pressure at
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A. frequency
B. wavelength
C. velocity
D. harmonics
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the bottom of an ocean 10m deep? (Density
of water = 1000kgm-3 and g=10ms-2) 10. The resistance of a piece of wire of length
A. 1.3 x 107 Nm-2 20m and cross-sectional area 8 x 10-6 m2 has
B. 1.4 x106 Nm-2 a resistance of 1Ω. The resistivity of the wire
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C. 1.4 x 104 Nm-2 is

D. 1.0 x 105 Nm-2 A. 3 x 10-7 Ω/m
B. 4 x 10-7 Ω/m
4. Which of the f011owing conditions will C. 1.6 x 10-5 Ω/m
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make water boil at a temperature of 100℃ D. 4 x 10-5 Ω/m

and saturation vapour pressure of
750mmHg? 11. In an AC circuit that contains only a
A. decrease the external pressure capacitor the voltage
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B. heat more rapidly at the same pressure A. leads the current by 90˚
C. increase the external pressure B. lags behind the current by 90˚
D. reduce the quantity of water C. leads the current by 180˚
D. lags behind the current by 180°
5. The density of a fixed mass of gas at
constant pressure is 12. The angle between the direction of the
A. constant with temperature earth's magnetic field and the horizontal is
B. directly proportional to the temperature called
C. inversely proportional to the temperature A. angle of deviation
D. directly proportional to its volume B. magnetic declination
6. Which of the following equations is C. magnetic meridian
incorrect about an ideal gas (all the symbols D. angle of dip
have their usual meanings)
A. PV=nRT 13. Which of these statements is not correct
𝑃𝑉
B. 𝑇 = constant concerning atomic structure?
𝑃𝑉 A. negatively charged electrons orbit the
C. 3⁄ 𝑛𝑅𝑇
2 positively charged nucleus
𝑇𝑉
D. = 𝑐𝑜𝑛𝑠𝑡𝑎𝑛𝑡 B. electromagnetic forces bind the electrons
𝑃
to the nucleus
50
C. protons and neutrons have approximately ANSWERS TO PHYSICS

equal mass
D. the number of electrons orbiting the 2010/11 (SESSION 2)
nucleus is equal to the number of nucleons
1. B 2. C 3. B 4. A 5. C 6. D 7. B 8. C 9. D
14. The half-life of a radioactive element is 9
days. Calculate the fraction that remains 10. B 11. B 12. D 13. D 14. B 15. A
after 36 days.
A. 1/32
B. 1/16 DOWNLOAD MORE FREE PAST
C. 1/4 QUESTIONS AT
D. 15/32
15. One of the features of the fission process

is that WWW.PREP.NG
A. it leads to chain reaction
B. its products are not radioactive
C. neutrons are p not released
D. mass and' energy are conserved
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51
CHEMISTRY 2010/2011 QUESTIONS [SESSION 1]
1. Crystallization is a better method of D. 1.0x 10-2 moldm-3

separation than precipitation because
A. precipitation tends to bring other solutes 8. In the redox reaction
out of solution 2Fe2+ + Cl2 → 2Fe3+ + 2C1-
B. crystallization is applicable to all solids A. Cl2 is reduced because it has lost electrons
C. precipitation always involves salting-out B. Cl2 is reduced because its oxidation
D. crystallization can only be done at high number has decreased
temperatures C. Fe2+ is reduced because it has lost
electrons
2. Which of the following is not a chemical D. Fe2+ is reduced because it has gained
change? electrons
A. burning of magnesium
B. rusting of iron 9. During electrolysis of molten sodium
C. action of water on potassium chloride;
D. dissolving powdered sulfur in carbon A. chlorine atom gains an electron
disulfide B. chloride ion gains an electron
C. chloride ion is oxidized
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3. An important ore of iron contains 72.36% D. sodium ion is oxidized
iron and 27.64% oxygen. Determine its
empirical formula
A. FeO
B. Fe2O3
C. Fe3O4
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10. Coffee stains are removed with
A. turpentine
B. ammonia
C. borax in water
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D. Fe2O D. kerosene
4. Which of the following decreases when a 11. What is the value of All for this reaction?
given mass of gas is compressed to half its Fe2O3(s) + 3H2O → 2Fe(OH)3(s)
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initial volume?
A. average intermolecular distance Substance ∆Hf(KJ/mol)
B. frequency of collision
C. number of molecules present Fe2O3(s) -824.2
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D. atomic radius of each particle Fe(OH)3(s) -823.0
5. The densities of two gases X and Y are 2.5 H2O(l) -285.8

gdm-3 and 10.0 gdm-3 respectively. What is
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the rate of diffusion of X relative to Y?

A. 35.6 KJ
A. 1:2.5 B. 286. 0 KJ
B. 2.5:1
C. 858.6 KJ
C. 1:2
D. -536 KJ
D. 2:1
12. N2O4(g) ⇋ 2NO2(g) ∆H=+ve
6. The properties of elements are periodic
What happens to the equilibrium constant of
functions of their
the reaction above if the pressure is
A. atomic number
increased?
B. atomic radius
A. it becomes zero
C. atomic volume
B. it decreases
D. mass number
C. it increases
D. it is unaffected
7. Which of the following solutions containing
only hydroxyl ions will liberate hydrogen gas
13. Radioisotopes are used tier the following
when reacted with Mg metals?
EXCEPT
A. 1.0x 10-5 moldm-3
A. development of photographic films
B. 1.0x10-13 moldm-3
B. generation of electricity
C. 1.0x 10-3 moldm-3
C. radio carbon dating
52
D. tracers in chemical reactions CHEMISTRY 2010/2011

14. The common characteristics shared by ANSWERS [Session 1]
iron and aluminium is that both
A. are extracted by reduction method 1. A 2. D 3. A 4. A 5. D 6. A 7. B 8. B 9. C
B. form only basic oxides
C. show oxidation states of +2 and +3 10. C 11. A 12. D 13. A 14. D 15. A
D. form soluble hydroxides
15. In the reaction: H3C-C≡CH + 2HBr→X, X DOWNLOAD MORE FREE PAST

is QUESTIONS AT
A. CH3CBr2CH3
B. CH3CH2CHBr2
C. CH3CHBrCHBr
D. CH2BrCH2CH2Br WWW.PREP.NG
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1. The separation of oil and water with C. 0.40 mol/dm3

different boiling points can best be achieved D. 2.00 mol/dm3
by A. fractional distillation
B. decantation C. evaporation _ 8. What is H202 acting as in the equation
D. using a separating funnel below?
H2O2 + 2H+ + 2Fe2+
2. Calculate the minimum volume of oxygen A. oxidizing agent
that.is required for the complete combustion B. reducing agent
of a mixture of 20cm3 of CO and 25cm3 of C. an acid
hydrogen. D. a base
A. 45cm3
B. 22.5 cm3 9. A current was passed for 10 mins 20 secs
C. 20 cm3 and 0.1 mole of Cu was deposited. How
D. 10 cm3 many grams of silver will be deposited by the
same quantity of electricity? {Ag=108}
3. An increase in temperature causes an A. 10.8g
increase in the pressure of a gas because B. 21.6 g
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there is an increase in the C. 5.4 g
A. average velocity of the gas molecules D. 108 g
B. number of collisions between the gas
molecules
C. density of the gas. molecules .n
10. Which of the following statements is
correct?
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D. free mean path between each molecule A. dissolution of anhydrous CuSO4 is
and the other exothermic while that of hydrated CuSO4 is
endothermic
4. A liquid begins to boil when B. dissolution of anhydrous CuSO4 is
A. its vapour pressure is equal to the vapour endothermic while that of hydrated CuSO4 is
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pressure of its solid at a given temperature exothermic

B. molecules start escaping from the surface C. dissolution of both anhydrous CuSO4 and
C. its vapour pressure equals the hydrated CuSO4 is exothermic
atmospheric with pressure D. dissolution of both anhydrous CuSO4 and
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D. its volume is slightly increased hydrated CuSO4, is endothermic
5. If the relative rate of diffusion of a gas is 11. NO(g) +CO(g) → N2(g) + CO2(g) ∆H=-89.3KJ
0.25 and that of Cl2 under the same What conditions would favour maximum
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conditions is 0.20, calculate the relative conversion of nitrogen(II) oxide and

molecular mass of the gas. carbon(II)oxide in the reaction above?
A. 22.7 A. low temperature and high pressure
B. 45.4 B. high temperature and low pressure
C. 68.1 C. high temperature and high pressure
D. 90.8 D. low temperature and low pressure
6. The following molecules contain hydrogen 11 Which of the alloys below does not
bonding EXCEPT contain copper?
A. ammonia A. brass
B. ethanoic acid B. bronze
C. hydrogen fluoride C. type metal
D. Water D. solder
7. If 20cm3 of distilled water is added to 13. 2Al(s) + 2NaOH(aq) + 6H2O(l) →

80cm3 of 0.50 mol/dm3 HCl solution, the new 2NaAl(OH)4(aq) + 3H2(g)
concentration of the acid is From the equation, give the condition of
A. 0.10 mol/dm3 reaction
B. 0.20 mol/dm3 A. cold dil. NaOH
54
B. hot. concentrated NaOH ANSWERS TO CHEMISTRY

C. warm dilute NaOH
D. hot dilute NaOH 2010/2011 (SESSION 2)
14. Ethanol reacts With. aqueous sodium 1. D 2. B 3. A 4. C 5. B 6. - 7. D 8. A 9. B
oxoiodate(I) to give a bright yellow solid with
a characteristic smell. The product is 10. A 11. A 12. D 13. A 14. B 15. C
A. trichloramethane
B. ethanal
C. iodoethane DOWNLOAD MORE FREE PAST
D. triiodomethane QUESTIONS AT
15. An alkanoic acid has a molar mass of

102g. Derive its molecular formula and hence
name the acid WWW.PREP.NG
A. propanoic acid
B. butanoic acid
C. pentanoic acid
D. hexanoic acid
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55

COMPREHENSION 3. The non-literate woman is very difficult to
reach because she
INSTRUCTION: Read the following passage A. does not understand the value of
carefully, and answer the questions that education and health services
follow. B. is too far from the city and from school
C. is not permitted to go out to attend clinics
If we examine the opportunities for education for health services
of girls or women in less developed D. can only gather fuel and prepare food
countries, we usually find a dismal picture. In
some countries, the ratio of boys to girls in 4. The phrase "too late" as used in the
secondary schools is more than seven to one. passage implies that the woman
What happens to the girls? Often, they are A. ought to have stopped producing children
kept at home to look after younger siblings earlier
and to perform a variety of domestic chores. B. goes on producing children when she
Their education is not perceived as in any ought to have stopped
way equal in importance to that of the boys. C. fails to marry early enough for her to
produce children .
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When a non-literate or barely literate girl D. had all her children at an advanced age
reaches adolescence, she has little or no
qualification for employment, even if her
community provides any opportunity for the
employment of women. The solution is to get
her married as soon as possible, with the
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5. The writer 'emphasizes that in less
developed countries -
A. the education of girls is not important
B. the non-literate woman has some
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inevitable result that she produces children advantage because she has more
too soon, too often and too late. With no C. the literate female is a threat to the male
formal education, she is hardly aware that in employment
there is any alternative. In a study made in D. there is a need to give boys and girls
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Thailand, it was noted that the literate equal opportunities in education

woman marries later and ceases childbearing
earlier than her non-literate counterpart. But LEXIS AND STRUCTURE
the latter is so chained in her household by
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the necessities of gathering fuel, preparing From the options in questions 6 and 7,
food and tending children that she is very choose the one that best completes the
difficult to reach, even if health services, sentences.
nutrition, education, maternal and child
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health centres are available in her 6. One of the hens we bought _____ten eggs
community. She does not understand what already.
they are intended to do. A. have laid
B. has lain
1. The phrase "a dismal picture" means C. has layed
A. a dull show D. has laid
B. an interesting show
C. a sad situation 7. My friend and classmate ______ present
D. a dreadful appearance when the girls insulted me.
A. were
2. According to the writer, most girls in less B. is
developed countries are not in school C was
because D. are
A. they refuse to be educated
B. they prefer getting married and having In the following sentences, choose the
children word that is similar in meaning to the
C. the education of boys is rated higher word underlined in each of the
D. the girls have no employment sentences.
56
8. The man's story gave Us an inkling of word underlined in each of the

what we went through during the war. sentences.
A. a taste
B. a possible idea 14. Indiscreet actions have always led to
C. a wrong notion regrets. that is why one should be _____
D. a suggestion A. judicious
B. frugal
9. The statement credited to the honourable C. circumspect
member is an aspersion on the reputation of D. thrifty
my company.
A. a libel 15. His remark during the send-off party was
B. a slander very apt to serve as a warning.
C. a condemnation A. inept
D. an abuse B. Foolish
C. ridiculous
In each of the questions 10 and 11, D. silly
choose the option that has the same
consonant sound as the one represented
by the letter(s) underlined.
ANSWERS TO USE OF
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10. vision ENGLISH 2011/2012
A. attention
B. repression
C. intention
D. illusion .n
1. C 2. C 3. A 4. B 5. D 6. D 7. C 8. B 9. B
10. D 11. B 12. C 13. B 14. C 15. A

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11. waste
A. surtax DOWNLOAD MORE FREE PAST
B. cursed
QUESTIONS AT
C. paused
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D. washed
In each of questions 12 and 13, the

words in capitals have the emphatic
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stress. Choose the option that fits, the

word in the sentence.
12. My brother bought EXACTLY twenty cups

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of rice.
A. Who bought exactly twenty cups of beans?
B. Did your mother sell exactly twenty cups
of rice?
C. Did your mother buy nearly twenty cups of
rice?
D. Did your sister buy exactly twenty cups of
rice?
13. It is DANGEROUS to drive without spare

tyre.
A. Is it safe to drive with spare tyre?
B. Is it safe to drive without spare tyre?
C. Is it dangerous to fly without spare tyre?
D. Is it safe to fly with spare tyre?
In the following sentences, choose the

word that is opposite in meaning to the
57

1. Two stones P and Q of different masses 7. A concave lens of focal length 20 cm forms
were projected horizontally at different an image ½ the size of the object, the object
angles of 15℃ and 75℃ respectively but with distance is
the same velocity. A. 100 cm
The ranges covered by the stones will be B. 30 cm
A. greater for P C. 60 cm
B. greater for Q D. 40 cm
C. same for P and Q
D. greater for the heavier of the two stones 8. The quality of sound depends on
A. frequency
2. If the torque on a body is zero, the B. wavelength
angular momentum of the body will C. velocity
A. decrease continuously to zero D. harmonics
B. increase then decrease to zero
C. be constant 9. A student with a sight defect has a least
D. increase continually distance of distinct vision of 150 cm. For him
to read a material placed at a distance of 25
g
3. For which of the following quantities is the cm, what is the focal length of the glasses he
derived unit ML2T-2 correct? should wear?
I. Moment of force
II. Acceleration
III. Work
IV. Momentum
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A. 15.0 cm
B. 17.0 cm
C. 21.4 cm
D. 30.0 cm
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A. I and II 10. A dynamo primarily converts
B. I and III A. mechanical energy into electrical energy
C. Ill and W B. electrical energy into kinetic energy
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D. II only C. potential energy into kinetic energy

D. kinetic energy into potential energy
4. In which of the following are the
substances arranged in the descending order 11. Three capacitors 2μF, 3 μF and 6 μF are
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of their conductivities? connected in series. If the pd across the

A. copper. steel, glass system is 12V, the pd across the 6 μF
B. steel, copper, glass capacitor is
C. copper, glass, steel A. 4V
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D. glass, copper, steel B. 6V

C. 12V
5. The linear expansivity of brass is D. 2V
2x10-5/℃; the volume of a piece of brass
10 cm3 at 0 ℃, what will be its volume at 12. A current of 0.5A flows through a resistor
100℃ ? when connected to a 40V battery. The
A. 10.02 cm3 energy dissipated in 2 minutes is
B. 10.04 cm3 A. 1200 J
C. 10.06 cm3 B. 1500 J
D. 10.20 cm3 C. 2400 J
D. 9600 J
6. The thermometric property of the
thermocouple is that its 13. Which of the following is most strongly
A. emf changes with temperature deflected by a magnetic field?
B. resistance changes with temperature A. γ-rays
C. volume changes with temperature. B. X-rays
D. resistance changes with length C. β-rays
D. α- rays
58
14. The major difference between ANSWERS TO PHYSICS

semiconductor and a pure metal is that
A. metals are harder than semiconductors 2011/2012
B. the resistance of metals decreases with
temperature while the reverse is the case 1. C 2. C 3. B 4. A 5. C 6. A 7. B 8. D 9. C
with semiconductors
C. the resistance of metals increases with 10. A 11. D 12. C 13. C 14. C 15. C
temperature while the reverse is the case
with semiconductors
D. metals have forbidden band gaps while DOWNLOAD MORE FREE PAST
semiconductors do not have QUESTIONS AT
15. A light of energy 5 eV falls on a metal

and the electrons with a maximum kinetic
energy of 2 eV are ejected. The work WWW.PREP.NG
function of the metal is
A. 0.4eV
B. 2.5 eV
C. 3.0 eV
D. 7.0 eV
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59

1. Addition of water to calcium oxide leads to B. Na2Ga(OH)2
A. a physical change C. NaGa(OH)3
B. a chemical change D. NaGa(OH)4
C. the formation of a mixture
D. an endothermic reaction 8. The mass of Ag deposited when a current
of 10 A is passed through a solution of silver
2. 15 g of impure Na2CO3 reacted with excess salt for 4830 secs is [Ag = 108, 1F =
HNO3. If 0.1 mole of CO, is produced, what 96500C]
is the percentage purity of the Na2CO3? A. 54.0 g
[Na=23, C=12, 0 =16] B. 27.0 g
A. 35.3% C. 13.5 g
B. 10.0% D. 108.0 g
C. 70.66%
D. 90.0% 9. The solubility of alkanols in water is due to
A. their covalent nature
3. 0.14g of a hydride of carbon occupies B. hydrogen bond
112.0 cm3 at STP when evaporated. The ratio C. their low boiling point
g
of carbon to hydrogen is 1:2. The relative D. their ionic character
molecular formula is
A. C2H4
B. C3H6
C. C4H8
D. C6H12
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10. If a reaction is exothermic and there is a
great disorder, it means
A. the reaction is in a state of equilibrium
B. there will.be a large increase in free
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energy
4. A gas X diffuses twice as fast as a gas Y C. there will be a large decrease in free
under the same conditions. If the relative energy
molecular mass of Y is 112, calculate the D. the reaction is static
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relative molecular mass of X.

A. 28 11. In what way is the equilibrium constant
B. 14 for the forward reaction related to that of the
C. 56 reverse reaction?
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D. 120 A. the two equilibrium constants are identical

B. the product of the two is expected to be
5. In the periodic table, what is the property one
that decreases along the period and C. the product of the two is always greater
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increases down the group? than one

A. Atomic number D. the addition of the two is expected to be
B. Electron affinity one
C. Ionization potential
D. Ionic radius 12. Natural radioactivity is the random
spontaneous disintegration of the nucleus of
6. 10 cm3 of 0.1 M HCL are added to 10 cm3 heavy isotope certain elements with the
of NaOH solution containing 8 g of NaOH per emission of
dm3 of solution. What is the pH of the A. α, β and X-rays
resulting solution? B. α, β and γ -rays
A. 11 C. a, X and γ -rays
B. 13 D. β, X and γ -rays
C. 7
D. 8 13. Mg ribbon was allowed to bum inside a
giver gas P leaving a white solid residue Q.
7. What is the formula of sodium gallate if Addition of water to Q liberated a gas which
gallium (Ga) shows an oxidation number of produces dense white fumes with a drop of
+3? hydrochloric acid. The gas P was
A. NaGaO3 A. Nitrogen
60
B. Chlorine ANSWERS TO CHEMISTRY

C. Oxygen
D. Sulphur(IV) oxide 2011/2012
14. The IUPAC name for the compound 1. B 2. C 3. A 4. A 5. D 6. A 7. D 8. A 9. B
10. C 11. B 12. B 13. A 14. C 15. B

QUESTIONS AT
A. 1 -chloro-2-methylprop-2,3-ene
B. 1-chloro-2-methylprop-2-ene WWW.PREP.NG
C. 3 -chloro-2-methylprop-1-ene
D. 3-chloro-2-methylprop-1,2-ene
15. Which of the following behaves like
g
ethyne?
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61

COMPREHENSION C. a lot of significant progress has taken
place in public health
INSTRUCTION: Read the following passage D. deaths from diseases in Western societies
and answer the questions that follow. are minimal
The diseases afflicting Western societies have 2. The writer is of the view that the diseases
undergone dramatic changes. In the course which prevail in contemporary Western
of a century, so many mass killers have societies
vanished such that two-thirds of all deaths A. resulted from modern life styles
are now associated with the diseases of old B. are concentrated among the elderly
age. Those who die young are, more often C. kill many people at once
than not, the victims of accident, violence D. are resistant to drugs
and suicide.
3. The author thinks that the presence of a
These changes in public health are generally large number of doctors in a community
equated with progress and are attributed to A. does not have much effect on the control
more or better medical care. In fact, there is of - diseases
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no evidence of any direct relationship B. distinguishes the true facts about diseases
between changing disease patterns and the C. controls the spread-of diseases
so-called progress of medicine.
The impotence of medical services to change

life expectancy and the insignificance of
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D. improves the overall quality of life in the
community
4. Many doctors, according to the passage,

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much contemporary clinical care in the curing choose to live where
of diseases are all obvious, well documented A. research facilities are available
but well suppressed. Neither the proportion B. they are most needed
of doctors in a population nor the quality of C. they can be near colleagues
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the clinical tools at their disposal nor the D. conditions are more in their favour
number of hospital beds is a causal factor in
the striking changes in disease patterns. The Correct the following sentences by
new techniques available to recognize and choosing one the words which you
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treat such conditions as pernicious anaemia consider appropriate

and hypertension, or to correct congenital
malformations by surgical interventions, 5. His father has a _____.
increase our understanding of disease but do A. round wooden beautiful table
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not reduce its incidence. B. wooden round beautiful table

C. beautiful wooden round table
The fact that there are more doctors where D. beautiful round wooden table
certain diseases have become rare has little
to do with their ability to control or eliminate 6. Anichebe is one of the.... sportsmen
them. It simply means that doctors, more A. ten highly your Nigerian talented
than other professionals, determine where B. ten highly talented Nigerian young
they work. Consequently, they tend to gather C. highly talented ten young Nigerian
where the climate is healthy, where the D. ten young highly talented Nigerian
water is clean, and where people work and
can pay for their services. 7. Tell her I can't attend the party _____a
cold.
1. The statement 'the diseases afflicting A. I am having
Western societies have undergone dramatic B. I have had
changes', implies that C. I have got
A. changes have taken place in the mode of D. I have
disease affliction
B. medical services have been important in
charming life expectancy
62
In each of the questions 8 and 9, choose the C. Ultimatum

word(s) that best completes the meaning in D. ultimaTUM
the sentence
8. Three policemen were killed when the ANSWERS TO USE OF

bomb they were trying to_____ exploded.
A. difuse ENGLISH 2012/2013
B. diffuse
C. defuse 1. A 2. B 3. A 4. D 5. D 6. D 7. C 8. C 9. C
D. deffuse
10. A 11. B 12. B 13. B 14. B 15. B
9. The discontented men _____ up trouble
among the workers.
A. starred DOWNLOAD MORE FREE PAST
B. steered QUESTIONS AT
C. stirred
D. started
In each of the questions 10 to 12, choose the WWW.PREP.NG

option that has the same consonant sound as
g
the one represented by the letter(s)
underlined
10. Yolk
A. Could
B. Build
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C. Silk
D. Sulk
11. Osmosis
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A. Ostrich
B. Music
C. Scene
D. Sign
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12. Younger
A. Singer
B. Longer
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C. Banger
D. Ringer
In each of the questions 13 to 15, choose

the correct stress pattern from the options.
The syllables are written in capital letters.
13.A. Reverential
B. reveRENtial
C. reVErential
D. reverential
14.A. orGAnizer
B. ORganizer
C. orgaNIzer
D. organizer
15.A. ulTImatum
B. ultiMAtum
63
USE OF ENGLISH 2012/2013 QUESTIONS [DIRECT ENTRY]
COMPREHENSION 2. One of the reasons why people drift from

the rural areas to the urban area is
Instruction: Read the following passage and A. hunger resulting from drought
answer the questions that follow B. laziness and ignorance
C. better rural education and possession of
Over the years, there has been this hue and qualifications which make better jobs
cry by governments and public policy available in urban areas
advisers against the phenomenon of the D. the easy life and the comfort in the city
rural-urban drift. Researches have been
conducted on various aspects of this 3. Migration in large numbers is said to result
phenomenon, which have resulted in the in
identification of the various causes and A. juvenile delinquency
consequences of it. In addition, prescriptions B. a fall in the production of food,
have been given for controlling the rural- accommodation and health in cities
urban drift. Among the causes most often C. highway robbery
mentioned are population pressures in some D. difficulty of life in rural areas
rural areas resulting in dwindling farmlands;
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increasing school enrolment and the resultant 4. One suggested solution to the problem is
rise in educational levels which qualified to
many people for urban employment; higher
wages in the urban centres relative to rural
centres and the rather naive one of the
'bright lights' in the cities so much touted by
.n
A. provide social amenities and create
employment opportunities in rural areas
B. encourage mechanized agriculture in order
to raise income
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early foreign sociologists. C. force the young rural people to stay by
warning them about the problems in cities
The most often mentioned consequences of D. mount road blocks
this rural-urban migration include
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depopulation of the' rural areas leading to Correct the following sentences by

overcrowding of the cities and the resultant choosing one he words which you
housing and sanitation problems; decline in consider appropriate .
the agricultural population resulting in less
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food crops being grown and high food prices 5. Everybody knows that ______should
in the cities; and increasing urban return the gown after the matriculation.
unemployment. The results of the A. he
phenomenon are seen largely as negative. B. he or she
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C. they
Measures to control the rural-urban drift D. they all
include the establishment of essential
amenities like water, electricity, hospitals, 6. The senator has donated some .........
colleges and cinema houses; the location of machines to the village school.
employment-generating establishments and A. modern duplicating large
the building of good interconnecting roads. B. large modern duplicating
The sum total of these prescriptions in C. large duplicating Modem
essence, unwittingly or paradoxically, is for D. modern large duplicating
the rural areas to be transformed into urban
centres. 7. Did I hear someone _____ my name?
A. mentioning
1. The author explains that researches B. to be mentioning
conducted on various aspects of rural-urban C. mention
drift have D. to be mentioned
A. failed to provide effective solution
B. revealed the causes and effects of this 8. We were asked to ______ the matter, and
drift to give our reply the following day.
C. increased the hue and cry against it A. sleep over
D. provided effective solutions to the problem B. sleep on
64
C. sleep through C. Was your elder brother appointed

D. sleep with Commissioner of Finance?
D. Was your elder brother appointed Minister
In each of the following questions 9 and of Works?
10, choose the option nearest in
meaning to word or phrase in italics.
9. We all praised the students' leaders for ANSWERS TO USE OF ENGLISH

their intrepid stand during the crisis.
A. fearless
2012/2013 [DIRECT ENTRY]
B. cheerful
1. B 2. C 3. B 4. A 5. C 6. B 7. C 8. B 9. A
C. reasonal
D. impressive
10. C 11. D 12. A 13. B 14. D 15. D
10. There is a theory that postulates that all
Nigerian languages. derive from one source.
A. confirms DOWNLOAD MORE FREE PAST
B. affirms QUESTIONS AT
C. suggests
D. emphasizes
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In each question 11 to 13, choose the word WWW.PREP.NG
that has a different stress pattern from the
others
11.A. Guarantee
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B. Decompose
C. Afternoon
D. Fortunate
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12.A. Inundate
B. Computer
C. Alternate (adj)
D. Efficient
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13.A. Galvanize
B. Convocation
C. Habitable
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D. Momentary
In each of the questions 14 and 15, the

word in capital letters has the emphatic
stress. Choose the option that best fits
the expression in the sentence.
14. The telephone line has been RESTORED.

A. Has the electric light been restored?
B. Has the electric light been cut off?
C. What happened to the electric line?
D. Has the telephone line been cut off?
15. My elder brother was appointed minister

of FINANCE.
A. Was your younger brother appointed
Minister of Finance?
B. Was your elder brother appointed Minister
of Finance?
65

1. Erythrocytes are produced in the D. trypsin
A. spleen
B. liver 9. Which of the following animals is cold
C. pancreas blooded
D. bone marrow A. cat
B. whale
2. The breaking up of the body of a simple C. lizard
multicellular organism into pieces, each of D. bird
which grows into a completely new organism
is called 10. The deficiency of Vitamin D leads to
A. spore formation A. Scurvy
B. budding B. Pellagra
C. vegetative reproduction C. Rickets
D. fragmentation D. Beri beri
3. When two parents are crossed the 11. Which of the following group of
g
offspring are referred to as characteristics is possessed by all living
A. recessives organisms?
B. test cross A. growth, feeding, reproduction and
C. F1 generation
D. F2 generation
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respiration
B. birth, irritability, feeding and excretion
C. respiration, excretion, aging and death
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4. Washing cuts and wounds with salt D. growth, locomotion, reproduction and
solution can excretion
A. make them salty
B. prevent them from being infected 12. Which of these will not be a limiting
C. damage them even more factor in photosynthesis?
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D. be dangerous for the person A. O2

B. CO2
5. The vector for Guinea worm is C. Chlorophyll
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A. Female Anopheles mosquito D. Light

B. Culex mosquito
C. Cyclops 13. Not drinking enough on a hot day and
D. Aedes mosquito exercise produce
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A. a little concentrated urine

6. The most successful group of animals in B. a lot of dilute urine
terms of diversity of species is C. a lot of sweat at night
A. Mollusca D. a lot of concentrated urine
B. Arthropoda
C. Mammalia 14. In which of the following do the cells
D. Cnidaria have the ability to divide?
A. Meristem
7. The bone the peck on which the skull rests B. Sclerenchyma
is called C. Collenchyma
A. odontoid process D. Pith
B. axis
C. atlas 15. Which one of the following pairs is
D. occipital condyle correctly matched?
A. Enterobius vermicular - guinea worm
8. The digestive enzyme that coagulates B. Loa loa - eye worm
protein into milk is C. Dracunculus medinensis - pin worm
A. ptyalin D. Ancylostoma duodenale - filarial worm
B. pepsin
C. rennin
66
BIOLOGY 2012/2013
ANSWERS
1. D 2. D 3. C 4. B 5. C 6. B 7. C 8. C 9. C
10. C 11. A 12. A 13. A 14. A 15. B

QUESTIONS AT
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67
BIOLOGY 2012/2013 QUESTIONS [DIRECT ENTRY]
1. The gap between two nerve cells is called A. seat of photosynthesis

A. dendrite B. seat of enzyme degradation
B. synapse C. seat of respiration
C. axon D. seat of photosynthesis
D. meninge
10. Mama river forest reserve is in
2. The ovary of a flower develops and A. Kogi State
becomes a B. Anambra State
A. seed C. River State
B. fruit D. Sokoto State
C. stalk
D. petal 11. In Igboland, Guinea worm is a common
health problem in
3. The organisms that help in recycling the A. Ebonyi State only
material in the ecosystem are known as B. Ebonyi and Imo states
A. herbivores C. Abia State
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B. carnivores D. Anambra state
C. omnivores
D. decomposers 12. Reiter's syndrome is the name given to a
4. Cellulose is commonly found in

A. animal cell membrane
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form of
A. body odour
B. stomach disorder
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B. plant cell wall C. infectious arthritis
C. both plants and animals D. gout
D. amoeba
13. Which of these is not a type of soil?
5. The end product of the digestion of fats A. sand
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and oils mammals are B. loam

A. maltose and fatty acids C. granite
B. amino acids arid glucose D. clay
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C. fatty acids and fructose

D. fatty acids and glycerol 14. Skeletal structures of terrestrial animals
are more elaborate than those of aquatic
6. The oxygen given off during the process of vertebrates because
photosynthesis is derived from A. air is more mobile than water
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A. sunlight B. water contains more nutrients than air

B. chlorophyll C. movement is much easier in air than on
C. carbon dioxide water
D. water D. density of water is greater than that air
7. In anaerobic respiration, glucose is 15. In trying to find out the order in which
converted to one of the following organisms appear on a cleared plot, you are
A. carbon(IV) oxide and water studying
B. carbon(IV) oxide only A. ecosystem
C. water and acetic acid B. food chain
D. alcohol and water C. succession
D. food web
8. The mushroom is an organism that feeds
A. parasitically BIOLOGY 2012/13 (DIRECT ENTRY)
B. holozoically ANSWERS
C. symbiotically
D. saprophytically 1. B 2. B 3. D 4. B 5. D 6. D 7. D 8. D 9. C
9. Mitochondria are 10. B

68

1. The force on a current carrying conductor 8. If the radius of the earth is 6.4 x 106m,
in a magnetic field is greatest when the the escape velocity of a satellite from the
A. conductor makes an angle of 60° with the earth (take g=10 ms-2 )
field A. 1.13 x 104 ms-1
B. force is independent of the angle between B. 9.00 x 103 ms-1
the conductor and the field C. 8.00 x 103 ms-1
C. conductor is parallel with the field D. 1.27 x 104 ms-1
D. conductor is at right angles with the field
9. If a body of mass 5 Kg is thrown vertically
2. A magnetic field is said to exist at a point upwards with a velocity U, at what height will
if a force is the potential energy equal to the kinetic
A. exerted on a stationary charge at that energy?
point A. h= 𝑔
𝑈2
B. exerted on a moving charge at that point

𝑈2
C. deflected at that point B. h=
4𝑔
D. strengthened at that point 2𝑈 2
C. h= 𝑔
g
3. In an a.c circuit that contains only a 𝑈2
D. ℎ = 2𝑔
capacitor, the voltage lags behind the current
by
A. 90°
B. 180°
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10. The rate of heat loss by a body is
proportional to the
A. difference in temperature between the
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C. 30°
body and its surrounding
D. 60°
B. temperature of its surrounding
C. ratio of the temperature of the body to
4. The particle emitted when 39
19𝐾 decays to
that of the surrounding
19𝐾 is
39
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D. temperature of the body

A. gamma
B. beta
11. In a gas experiment, the pressure of the
C. electron
gas is plotted against the reciprocal of the
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D. alpha
volume of the gas at constant temperature,
the unit of the slope of the resulting curve is
5. The particle and wave nature of matter is
A. force
demonstrated by
B. temperature
A. Bragg's equation
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C. power
B. de Broglie equation
D. work
C. Schrodinger equation
D. Pauli's exclusive principle
12. A bar of initial length lo is heated through
a temperature range ∆θ to a new length ι .
6. The ray which causes gas molecules to
The linear expansivity of the bar is -
glow is 𝑙−𝑙
A. cathode ray A. 𝑙∆𝜃𝑜
B. anode ray B.
𝑙−𝑙
𝑙0 ∆𝜃
C. molecular ray
C. lo(l+∆θ)
D. gamma ray 𝑙−𝑙𝑜
D. 𝑙(𝑙+∆𝜃)
7. If the distance between two suspended
masses 10 Kg each is tripled, the 13. The real depth of a pond is 6.0 in. A boy
gravitational force of attraction between observes a fish at the bottom of the pond.
them is What is the apparent depth if the refractive
A. reduced by one-half index is 4/3?
B. increased by one-third A. 8.0m
C. decreased by one-third B. 5.5m
D. decreased by one-ninth C. 5.0m
69
D. 4.5m ANSWERS TO PHYSICS

14. If U is the object distance and V the 2012/2013
image distance, which of the following
expressions gives the linear magnification 1. D 2. B 3. A 4. A 5. B 6. A 7. D 8. A 9. D
produced by a convex lens of focal length f?
𝑈
A. 𝑓 − 𝑓 10. A 11. D 12. B 13. D 14. D 15. B
𝑈
B. 𝑉
+𝑓
C.
𝑉
+1 DOWNLOAD MORE FREE PAST
𝑓
𝑉 QUESTIONS AT
D. 𝑓
−1
15. A light wave has a wavelength of 500 nm

in air. The frequency of the wave is WWW.PREP.NG
A. 3.0 x 1014 Hz
B. 6.0 x 1014 Hz
C. 6.0 x 1012 Hz
D. 2.5 x 1014 Hz
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70
PHYSICS 2012/2013 QUESTIONS [DIRECT ENTRY]
1. The ratio of electrostatic force FE to D. 180°

gravitational force FG, between two protons
each of charge e and mass m, at a distance d 7. A body of mass 12Kg traveling at 4.2ms-1
is collides with another body of mass 18Kg at
𝑒 rest. Calculate their common velocity if the
A.
4𝜋𝜀0 𝐺𝑚 two bodies coalesce after collision.
A. 1.5 ms-1
𝑒2 B. 1.4 ms-1
B.
𝐺𝑚2 C. 2.1 ms-1
D. 1.7 ms-1
𝐺𝑚2
C.
4𝜋𝜀𝑜 𝑒 2 8. When left in a freezer, a bottle full of
water cracks on freezing into ice because of
𝑒2 the
D.
4𝜋𝜀𝑜 𝐺𝑚2 A. increase in the volume of water
B. contraction of the bottle
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2. The energy stored in an inductor of C. expansion of the bottle
inductance 5mH when a current of 6A flows D. decrease in the volume of water
through it is
A. 9.0 x 10-3 J
B. 9.0 x 10-2 J
C.1.4 x 10-2 J
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9. At constant pressure, the density of a
given gas is
A. constant with temperature
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D. 1.8 x 10-2 J B. proportional to its volume
C. inversely proportional to its temperature
3. An electric heater with a pd of 240V D. independent on its volume
connected across its terminals has a total
resistance of 960 Ω, Calculate power range of 10. When the vapour of a substance is in
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the heater equilibrium with its own liquid, it is said to be

A. 0.25 W A. gaseous
B. 4.00 W B. liquified
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C. 38.40 W C. diffused
D. 60.00 W D. saturated
4. The time it will take a certain radioactive 11. If the pressure of 100 cm3 of an ideal gas
material with a half-life of 50 to reduce to is doubled while its Kelvin temperature is
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1
/32 of its original number is halved, then the new volume of the gas is
A. 250 days A. 25cm3
B. 150 days B. 50cm3
C. 300 days C. 100cm3
D. 200 days D. 200cm3
5. The unit of moment of a couple can be 12. The eye controls the amount of light
expressed in reaching the retina by adjusting the
A. Nm-1 A. cornea
B. Nm-2 B. iris
C. Nm C. retina
D. Nm2 D. optic nerve
6. The resultant of two forces 12N and 5N is 13. Transverse waves can be distinguished
13N. What is the angle between the two from longitudinal waves using the
forces? characteristics of
A. 0° A. diffraction
B. 45° B. refraction
C. 90° C. polarization
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D. reflection. PHYSICS 2012/2013 ANSWERS

14. The production of pure spectrum could
[DIRECT ENRTY]
easily be achieved using
1. D 2. B 3.D 4. A 5. C 6. C 7. D 8. A 9. C
A. a glass prism with a pin
B. triangular prism with two convex
10. D 11. A 12. B 13. C 14. B 15. A.
C. triangular prism only
D. triangular prism with two concave lenses
15. When the length of a vibrating string is
reduced by one-third, its frequency becomes QUESTIONS AT
A. three times its former value
B. twice its former value
C. one-third its former value
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72

1. Which of the following statements is B. half-cell reaction
incorrect? C. metal-plating device
A. The addition of Water to quicklime is an D. metal coupling device
example of a physical change
B. A chemical change is irreversible and a no 8. An example of a suspension of solid
substance is formed particles in a gas is
C. A physical change can easily be reversed A. Harmattan
and no new substances are formed B. Aerosol spray
D. Separating a mixture by distillation is an C. Fogs
example of physical change D. Emulsion
2. 20 g of calcium trioxocarbonate(IV) is 9. In which of the following is the change in

heated to a constant mass and 11.2 g of entropy positive?'
calcium oxide is left as residue. The mass of A. 2H2O(g) +SO(g) → 2H2O(l) +3S(s)
the gaseous product left is____ B. H2O(s) →H2O(l)
[Ca = 40, C 12, 0 = 16] C. N2(g) +3H2(g) →2NH3(g)
g
A. 11.2 g 2+
D. 𝐶𝑢2+ (𝑎𝑞) + 𝐹𝑒(𝑠) → 𝐹𝑒(𝑎𝑞) + 𝐶𝑢(𝑠)
B. 44 g
C. 2.2 g 10. The formation of SO3 in the equation
D. 8.8 g
3. The vapour pressure of water at 15 °C is

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above will be favoured by
A. addition of SO3
B. high pressure
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13 mmHg. At a barometric pressure of 747 C. high temperature and low pressure
mmHg, 2 dm3 of nitrogen gas is collected D. high temperature and addition of catalyst
over water at 15 °C, the pressure of nitrogen
gas is 11. When 238
92𝑈 emits an x-ray and a β-ray,
A. 760 mmHg the product X has a mass number and an
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B. 747 mmHg atomic number respectively

C. 734 mmHg A. 234 and 90
D. 114.3 mmHg B. 234 and 91
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C. 230 and 88
4. Elements X, Y and Z belong to groups I, V D. 238 and 93
and VI respectively. Which of the following is
TRUE about the bond types of XZ and YZ3? 12. The producer gas is a mixture of
A. Both are electrovalent
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A. CO and CO2
B. Both are covalent B. CO and N2
C. XZ is electrovalent and YZ is covalent C. CO and H2
D. XZ is covalent and YZ3 is electrovalent D. CO and CO2
5. Which of the following is a double salt? 13. The LUPAC name of the compound below
A. K3Fe(CN)6 is H3CCH(CH3)CHCHCH3
B. KAl(SO4)2. 12H2O A. Hex-2-ene
C. Pb(OH)2. 2PbCO3 B. 2-methylpent-4-ene
D. KHSO4 C. Hex-3-ene
D. 4-methylpent-2-ene
6. Find the value all in the equation
𝑋𝑂3𝑛− + 4𝐻 + + 3𝑒 − → 𝑋𝑂 + 2𝐻2 𝑂
A. 1 14. Ethanol reacts with aqueous Sodium
B. 2 oxoiodate(I) to give a bright yellow solid with
C. 3 a characteristic smell. The product is
D. 5 A. trichloromethane
B. triiodornethane
7. Corrosion in metals is an example of C. iodoethane
A. electrochemical process D. ethanal
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15. Plastics which lose their plasticity on

being subjected to heat are said to be
A. biodegradable
B. polymeric
C. thermosets
D. thermoplastics
2012/2013
1. A 2. D 3. C 4. C 5. B 6. A 7. B 8. A 9. B
10. B 11. D 12.B 13. D 14. D 15. C

QUESTIONS AT
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CHEMISTRY 2012/2013 QUESTIONS [DIRECT ENTRY]
1. 1g of compound X (m.pt. 122 °C) is added B. endothermic reaction

to 100g of another compound Y (m.pt. C. exothermic reaction
95°C). Which of the following is likely to be D. enthalpy change
the melting point of the mixture?
A. 95 °C 8. The concentration of iodine in the
B. 120 °C equilibrium mixture can be increased by
C. 96 °C 2HI(g) ⇌ H2(g) + I2(g) ∆H=+10KJ
D. 94 °C A. raising the pressure
B. lowering the pressure
2. The density of a certain gas is 1.98 gdm-3 C. raising the temperature
at s.t.p. What is the molecular mass of the D. lowering the temperature
gas? [GMV = 22.4dm3]
A. 26.0 g 9. Which of the following statements is
B. 31.0 g CORRECT about the difference between
C. 54.0 g nuclear reaction and chemical reaction?
D. 44.0 g A. Heat energy is emitted in nuclear reaction
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but not in chemical reaction
3. When a substance changes from liquid B. New substances are formed in nuclear
state to gaseous state, the attractive force reaction while in chemical reaction no new
between the molecules
A. increases
B. decreases
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substances are formed
C. Rays are emitted in nuclear reaction but
not in chemical reaction
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C. remains the same D. Chemical reaction involves changes in
D. fluctuates orbital electrons while nuclear reaction
affects only the nucleus
4. A species W has 16 protons, 17 neutrons
and 18 electrons. W must be_____ 10. The alloy used for metal work and
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A. a neutral atom of a metal plumbing contains

B. a cation of two positive charges A. Aluminium and Copper
C. an anion of one negative charge B. Iron and Carbon
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D. an anion of two negative charges C. Iron and Nickel

D. Lead and Tin
5. A solution of NaOH containing 6.0 g in 250
cm3 of solution has a concentration of 11. Which of the following compounds will
A. 0.04 moldm-3 undergo thermal dissociation?
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B. 0.15 moldm-3 A. AgCl

C. 0.60 moldm-3 B. CaCO3
D. 0.96 moldm-3 C. K2SO4
D. NH4Cl
6. When CO2 is passed through clear
limewater it turns milky. Which of the 12. CH3C(CH3)2C2H2CH(CH3)2 The IUPAC
following statements is correct of the name of the compound above is
limewater? A. 2,2,4-trimethylpentane
A. The clear limewater is harder than the one B. 4,4,2-trimethypentane
turned milky by CO2 C. Octane
B. The clear limewater is softer than the one D. 2,4-dimethylhexane
turned milky by CO2
C. CO2 causes the hardness of the limewater 13. Which of the following pairs are isomers?
D. The clear limewater is soft water A. 1-propanol and methoxyethane
B. 1-propanol and propanal
7. Heat content difference between the C. 2-propanol and propanone
products and reactants of a chemical reaction D. 2-propanol and propanal
is called
A. activation energy
75
14. When two drops of Million's reagent was ANSWERS TO CHEMISTRY

added to a substance X in a test tube, a
white ppt which turns brick-red on heating
2012/2013 (DIRECT ENTRY)
was formed. To which of the following does X
1. A 2. D 3. B 4. D 5. C 6. C 7. D 8. C 9. C
belong?
A. Carbohydrates
10. D . 11. B 12. A 13. A 14. D 15. A
B. Fats and oils
C. Vitamins
D. Proteins
15. Which of the following is not an addition QUESTIONS AT
polymer?
A. Bakelite
B. Neoprene
C. PVC WWW.PREP.NG
D. Perspex
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76
ENGLISH 2013/2014 QUESTIONS [DIRECT ENTRY]
COMPREHENSION. 3. Accosted in the passage means ______.

A. grossly insulted
Instruction: Read the following passage and B. greeted
answer the questions that follow C. fought with
D. forced
My good people, come to you this evening as E. went and spoke to
a man whose honesty and integrity has been
questioned. Now, the usual political thing to In each of questions 4-6 choose the
do when charges are levelled against you is word or phrase which best fills the gap
either to ignore them or deny them without
giving details. But before I answer any of 4. I have my assignments ______.
your questions, let me state. categorically A. in my hand
that I have not touched a kobo of the B. on my hands
N50,000 we contributed. Every kobo of it has C. on my hand
been used in defraying political campaign D. in my hands
expenses.
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5. We have been warned to mind how we
As a matter of fact, during one of my meet- talk to her because she is easily
the-press conferences, Tony Agiwa accosted A. heated up
me and said, "Honourable Senator, what
about this fund we hear about?" I told him
there is no secret about the fund and that he
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B. set up
C. hot up
D. het up
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should meet Abu 0. Abu to get details of the
fund. I told him, "You will find that the 5. During the harmattan, we often shut the
purpose of the fund was primarily to defray doors and windows in order to keep the cold
political expenses." In answer to another one ______.
of his questions, said that neither A. out
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contributors to this fund, nor contributors to B. off

any of my campaigns had ever received any C. down
special consideration that he would not have D. away
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received as an ordinary constituent. And I

can say that never, since I became a In questions 7 and 8, fill each gap with
Senator, have I made a telephone call for the most appropriate option from the list
them to an agency or have I gone down to following the gap
an agency on their behalf. Records will show
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that, and all these records are in the hands 7. We all ______ sigh of relief when. we
of the Administrator. heard he had won at the polls.
A. heeved
1. The author is _____. B. hived
A. exonerating himself from allegations of C. heaved
embezzlement D. heved
B. ignoring the allegation of embezzlement
C. taking part in a political campaign 8. Having failed this examination on two
D. demonstrating that he is a senator occasions, I decided _____ advice to help me
E. trying to implicate Abu, a fellow politician improve on my performance.
A. to seek of
2. Constituent in the passage means ______. B. to seek for
A. a section of his constituency C. to seek
B. his entire constituency D. to ask of
C. his campaigner
D. a person having voting right where he is In question 9, choose the option nearest
living in meaning to the word in italics
E. a supporter
77
9. People strongly feel that Henry won at the USE OF ENGLISH 2013/2014
election because he is silver-tongued.
A. slippery
ANSWERS (DIRECT ENTRY)
B. eloquent
1. A 2. D 3. E 5. D 6. A 7. C 8. C 9. B 10. C
C. flippant
D. loquacious
In the following question, select the
option that best explains the information QUESTIONS AT
10. Tom ought not to have told me.

A. Tom did not tell me but he should WWW.PREP.NG
B. Perhaps Torn was wrong to have told me
C. Tom told me but it was wrong of him
D. It was necessary for Tom not to tell me
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BIOLOGY 2013/2014 QUESTIONS [DIRECT ENTRY]
1. Increasing peristalsis of intestines, B. liver

increasing starvation, and slowing heart rate C. lung
are examples of D. pancreas
A. automatic nervous system responses
B. higher brain function 9. The hypothalamus, thalamus, and pituitary
C. parasympathetic nervous system response gland are all parts of the
D. sympathetic nervous system responses A. brainstem
B. cerebellum
2. Which of the following tubes conveys C. exocrine system
sperm from the seminal vesicle to the D. limbic system
urethra?
A. ejaculatory duct 10. Quill feather in bird is used
B. epididymis A. to generate heat to keep the bird warm
C. oviduct B. to provide some power for flight
D. vas deferens C. to prevent ectoparasites from attacking
the bird
3. Most carbon dioxide is carried in the D. as insulator to maintain body heat
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A. blood as CO2 gas
B. blood bound to haemoglobin BIOLOGY 2013/2014 (DE)
C. blood plasma in the form of carbonic acid
D. red blood cells
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ANSWERS
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4. Lamp brush chromosome occurs in 1. C 2. A 3. D 4. D 5. B 6. C 7. C 8. D 9. D
A. salivary gland 10. B
B. lymph glands
C. cancer cells
D. oocytes DOWNLOAD MORE FREE PAST
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QUESTIONS AT
5. A mosquito which produces eggs with
float, and whose larvae lie horizontal to the
water surface, also rests at an angle on a
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vertical surface. This mosquito is WWW.PREP.NG

A. Aedes
B. anopheles
C. culex
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D. tiger mosquito
6. Which of the following parts is involved in

both the respiratory and digestive systems?
A. larynx
B. nasal cavity
C. pharynx
D. trachea
7. Most of the digestion of food and

absorption of nutrients occur in the
A. ascending colon
B. oesophagus
C. small intestine
D. stomach
8. Which of the organs listed below has an

endocrine function?
A. kidney
79

1. Which of the following can be classified 8. Consider the gases: CO2, SO2, H2S, NO2
can be classified as a ‘fine’ chemical? and O2. The increasing order of rates of
A. H2SO4 diffusion of equal volumes of the gases
B. AgBr through a porous plug under the same
C. NaOH conditions is _____.
D. CH3CH2OH [ H=1; C=12; N=14; O=16, S=32]
A. H2S, CO, NO2, SO2 and O2
2. The soap lather is a ____. B. O2, SO2, H2S, CO2 and NO2
A. gas dispersed in a liquid C. SO2, NO2, H2S, O2, and CO2
B. liquid dispersed in a gas D. CO2, O2, H2S, NO2 and SO2
C. solid dispersed in a liquid
D. liquid dispersed in liquid 9. C6H14 and C6H12O6 are both covalent.
C6H12O6 is soluble in water while C6H14 is
3. Given that the pH of solution of KOH is 12, insoluble. This is because C6H12O6
what is the concentration of the OH- ions? A. contains stronger ‘Van der Waals’ forces
A. 0.01 mol/dm3 B. has a higher molecular mass
g
B. 1 x 10-12 mol/dm3 C. has a considerable ionic character
C. 1 x 10-14 mol/dm3 D. form hydrogen bonds with the solvent
D. 1 x 10-7 mol/dm3
4. Which of the following salts will produce

an aqueous solution with a pH less than 7?
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10. The performance of a fuel is the same as
that of a mixture of 60g of
2,2,4-trimethylpentance and 40g of heptane.
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A. Na2SO4 What is the octane number of the fuel?
B. Na2CO3 A. 100
C. CuSO4 B. 60
D. K2CO3 C. 20
D. 40
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5. The burning of phosphorus in excess

oxygen is represented by the equation
P4+5O2→P4O10
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What is the volume of oxygen at STP

required for the complete oxidation of 18.6g QUESTIONS AT
of phosphorus? [P=31, O=16, Molar Volume
of a gas at STP=22.4 dm at STP=22.4 dm3]
A. 5.6 dm3
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B. 11.2 dm3 WWW.PREP.NG

C. 16.8 dm3
D. 20.2 dm3
6. All the following are redox reactions

EXCEPT___.
A. Zn + ZnSO4→ZnSO4 + H2
B. Ca(HCO3)2→CaCO3 + H2O + CO2
C. 2H2 + O2→ 2H2O
D. 2HNO2 + 2HI → 2H2O +2NO +I2
7. In which of following pairs of metals are

the two members extracted by electrolysis?
A. copper and zinc
B. lead and calcium
C. magnesium and zinc
D. magnesium and calcium
80
ENGLISH 2014/2015 QUESTIONS [SECTION 1]
COMPREHENSION 3. The role of Guinness Nigeria in youth

development is
Instruction: Read the following passage and A. providing scholarships
answer the questions that follow B. supporting the government
C. building private universities in Nigeria
It is a common axiom that the youths are the D. encouraging the society to invest in the
leaders of tomorrow. Because this statement youth
has almost become a cliché, it is often taken
for granted. But the reality is that as a 4. Nigerian youths are thirsty for
society, we need to invest in, encourage and A. education
support the nation's youths, in order to B. alcoholic drink
realise a better future for the country. C. scholarships
D. all of the above
As a company, Guinness Nigeria believes that
the best investment in youth development is In the question 5, select the option that
in the area of education. This belief has best explains the information conveyed
informed the numerous initiatives we in the sentence.
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implemented in the past or are still
implementing as far as youth development is 5. Do you mind my smoking here? No, I
concerned.
We have therefore taken great interest in the .n

don't mind
A. You can smoke here
B. No, you can smoke outside
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educational sector and made significant C. No, you cannot smoke here
contributions to it. Apart from contributing to D. You can smoke anywhere
the government-established Education Trust
Fund (EIF), we also pursue other private 6. From the options below, choose the
initiatives to drive our interest in the Nigerian correct syllabic division of the word
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youth. Photographic.
A. Pho-to-graph-ic
Such private industries included the Guinness B. Pho-tog-ra-phic
Leeds Scholarship Scheme and the C. Pho-to-gra-phic
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Chevening Scholarship operated in D. Photo-graph-ic

partnership with the British Council. Targeted
at young Nigerians of university age and In question 7, choose the option nearest
post-graduate students respectively, the two in meaning to the word in italics.
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scholarship schemes were of immense

benefit to the education-thirsty citizens of 7. Ngozi was of a permanent job.
this country. A. regular
B. temporary
1. Axiom means C. long-lasting
A. a statement that everyone believes is true D. popular
B. a statement that has become common
C. a statement that is often taken for granted In each of the following questions
D. none of the above choose the word or phrase which best
fills the gap
2. Cliché means
A. a statement which shows the reality of the 8. He ______ the generator immediately the
society light was restored.
B. a statement which has become overused A. off
to the point of losing its effect B. switched off
C. a statement which is often taken for C. put out
granted other companies D. put off
D. a reason why axioms are taken for
granted 9. Emeka _____his father.
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A. took after USE OF ENGLISH 2014/2015

B. took on
C. took to
ANSWERS [SESSION 1]
D. took up
COMPREHENSION
10. Now that the examination is fast
1. A 2. B 3. B 4. A
approaching, the teachers have been
instructed to _____their lessons.
LEXIS AND STRUCTURE
A. round over
B. round up
5. A 6. A 7. C 8. B 9. A 10. C
C. round off
D. round in
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ENGLISH 2014/2015 QUESTIONS [SESSION 2]
In questions 1 and 2, choose the option 7. Many world leaders have continued to
opposite in meaning to the word in condemn the South African Prime Minister for
italics his truculent posture.
A. impetuous
1.The class prefect was one of the main B. impertinent
actors of the occasion______. C. aggressive
A. critics D. impervious
B. spectators
C. guests 8. It is usually hard to change the course of
D. performers action when one crosses the Rubicon. The
underlined expression, as used in this
2. The governor declined to give audience to sentence, means to.
the journalist. A. pass through a place called Rubicon
A. ignored B. cross a river called Rubicon
B. accepted C. cross a bridge called Rubicon
C. forgot D. be irrevocably committed
D. rejected
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In the following question, select the
In the following sentences, choose the option that best explains the information
word that best completes the meaning.
3. After the strike the traders .... the prices .n

9. "It is irrational for one to count one's

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of their goods, chickens before the eggs hatched."
A. beat up A. The eggs are not to be broken
B. beat down B. Not everything works out as outlined
C. beat on C. One should not regard one's eggs as
D. beat off chickens
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D. It is senseless to hatch one's eggs

4. The judge the decision of the lower court. prematurely
A. held up
B. abolished In the following question, the word in
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C. upheld capital letters has an emphatic stress.

D. reversed Choose the option that best fits the
expression in the sentence.
5. Professor Nweke _____ since 1984.
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A. has been teaching 10. He wrote it BOLDLY.

B. has taught A. Did she write it boldly?
C. was teaching B. Did he draw it boldly?
D. had been taught C. How did he write it?
D. Will he write it boldly?
In questions 6 and 7, choose the option
nearest in meaning to the word in
italics. ANSWERS TO USE OF
6. Our aunt has expressed deep appreciation ENGLISH 2014/2015
for Onyinye's invaluable assistance during [SESSION 2]
the party.
A. immeasurable 1. B 2. B 3. B 4. C 5. A 6. A 7. C 8. D 9. B
B. praiseworthy
C. selfless 10. C
D. worthless
83
1. Which of these is a sense organ? A. shedding of exoskeleton in insects in order

A. spleen to replace with better ones
B. mouth B. shedding of exoskeleton in insects in order
C. eye to grow new ones
D. heart C. shedding of exoskeleton in insects in
response to seasonal changes
2. What is the function of the vas deferens in D. none of the above
the male reproductive organ?
A. transports sperm only 10. Pepsin is a digestive enzyme which
B. transports urine and sperm breaks
C. transports urine only A. sucrose into glucose and fructose
D. none of the above B. carbohydrates into simple sugars
C. protein into peptones
3. Food materials manufactured in plants are D. fats into glycerol and fatty acids
transported through the_____
A. xylem
B. phloem BIOLOGY 2014/2015
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C. cambium
D. cortex (SESSION 1)
4. When a red blood cell is placed in water,
the process of water movement is____ .n
1. C 2. A 3. B 4. A 5. - 6. A 7. A 8. A 9. B
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A. osmosis 10. C
B. diffusion
C. imbibition
D. active transport DOWNLOAD MORE FREE PAST
QUESTIONS AT
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5. The enzyme contained in bile is_____

A. trypsin
B. lipase
C. ptyalin WWW.PREP.NG
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D. lactase
6. Which of these factors in the blood is

responsible for blood clotting?
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A. fibrinogen
B. heparin
C. plasma
D. red blood cells
7. Fat soluble vitamins are stored in_____

A. liver
B. spleen
C. pancreas
D. skin
8. The unit of the nervous system is_____

A. neuron
B. axon
C. dendrite
D. myelin sheet
9. Moulting involves the_____
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1. The process that involves the production D. cockroach

of ethanol, CO2 and H2O is called....
A. fermentation 9. The process by which a plant grows
B. respiration towards the direction of water is_____
C. transpiration A. geotropism
D. photosynthesis B. phototropism
C. hydrotropism
2. Genes are located at the .... D. chemotropism
A. chromosome
B. Nucleus 10. When a red blood cell is placed in water,
C. mitochondria the process of water movement is___
D. ribosome A. osmosis
B. diffusion
3. Teleost fish breathes with its ….. C. imbibition
A. fins D. active transport
B. gills
C. scales
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D. lateral line BIOLOGY 2014/2015 ANSWERS
(SESSION 2)
4. …….. consists mainly of water in the
blood?
A. lymph .n
1. A 2. A 3. B 4. B 5. A 6. C 7. C 8. B 9. C
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B. plasma
10. A
C. serum
D. platelets
5. Protein in plasma ………
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A. causes clotting of blood QUESTIONS AT

B. causes increase in osmotic potential
C. gives the blood its red colour
D. regulates the acid-base balance of the
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blood
6. A substance produced by the action of

hydrochloric acid on gastric juice in the
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stomach is_____
A. trypsin
B. rennin
C. pepsin
D. lipase
7. The gaps between two neurons through

which impulses cross by means of chemical
reaction are called_____
A. axons
B. ganglia
C. synapses
D. dendrites
8. Spider belongs to the same class

with_____
A. mosquito
B. tick
C. chiddae
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1. Which of the following is most strongly D. radioactivity

deflected by a magnetic field?
A. gamma rays 8. Two balls of masses 40 g and 60 g
B. alpha particles respectively, are attached firmly to the ends
C. beta particles of a light m rule. The centre of gravity of the
D. X-ray system is
A. at the mid-point of the metre rule
2. The principle of operation of an induction B. 40 cm from the lighter mass
coil is based on C. 40 cm from the heavier mass
A. Ohm's law D. 60 cm from the heavier mass
B. Ampere's law
C. Faraday's law 9. Hydrogen molecules escape from the
D. Coulomb's law topmost layer of the earth's atmosphere
because
3. A ray of light is incident on a plane surface A. hydrogen has negligible mass and has
at Al angle of 40°. What is the angle of speed above escape velocity
reflection? B. the gravitational pull of the earth is
g
A. 40° negligible in the atmosphere
B. 80° C. the intermolecular forces in the
C. 200°
D. 50°
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atmosphere negligible
D. escape velocity is negligible compared
speed of hydrogen molecules
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4. The particle and wave nature of matter are
demonstrated in the equation 2
ℎ𝑐 10. if the refractive index of a medium is ,
A. λ= 𝐸 √3
B. λ=
𝑐 what is the critical angle?
𝑓 A. 90°
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ℎ
C. λ=
𝑝
B. 45°
D. λ=2d sin0 C. 60°
D. 30°
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5. A 12-V battery has an internal resistance

of 0.5 ohms. If a cable of 1.0 ohms
resistance is connected across the two ANSWERS TO PHYSICS
terminals of the battery, the power
2014/2015 (SESSION 1)
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dissipated is
A. 64W
B. 96W 1. C 2. C 3. A 4. C 5. A 6. D 7. B 8. C 9. A
C. 9.6W
D.192W 10. C
6. The force oil a current carrying conductor. DOWNLOAD MORE FREE PAST
in a magnetic field is greatest when the QUESTIONS AT
A. conductor makes an angle 60° with the
field
B. force is independent of the angle between
the field and the conductor WWW.PREP.NG
C. conductor is parallel with the field
7. The kind of nuclear reaction-initiated

bombardment of neutron is
A. nuclear infusion
B. nuclear fission
C. nuclear fusion
86
1. The half-life of a radioactive element is 9 8. A copper wire has a resistance of 25 mΩ

days. Calculate the fraction that remains at 20'C When the wire is carrying current,
after 36days. heat produce by the current causes it's
A. 1/16 temperature to increase by 27°C. What is the
B. 1/32 change in the wire's resistance? [take
C. 1/8 temperature coefficient of resistivity of
D. 1/64 'copper, α= 6.8 x 10-3]
A. 1.2 mΩ
2. The purpose of a dielectric material in a B. 11.8 mΩ
parallel plate capacitor is to C. 2.3 mΩ
A. increase its capacitance D. 4.6 mΩ
B. decrease its capacitance
C. insulate the plates from each other 9. Which of the following expressions give
D. increase the magnetic field between them the relationship between the acceleration due
to gravity at the earth's surface g and the
3. A 12V battery has an internal resistance of universal constant of gravitation G?
0.5 ohms. If a cable of 1.0 ohms resistance is 𝐺𝑀
g
A. g=
2𝑅
connected across the two terminals of the 𝐺𝑀𝑚
b. g=
battery; the power dissipated is 𝑅
A. 64W
B. 96W
C. 9.6W .n
C.
D.
𝐺𝑀𝑚
g= 𝑅2
𝐺𝑀
g= 2
𝑅
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D.192W
10. The number of protons in an element
4. The force constant of the load-extension increased by one after a radioactive decay.
graph of a spring is given by the The element must have decayed by emitting
A. slope of the linear portion of the graph A. a gamma ray
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B. length of the linear portion of the graph B. a beta particle

C. area under the linear portion of the graph C. an alpha particle
D. area under the entire graph D. a neutron
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5. Which of the following properties is

exclusive to electromagnetic waves? ANSWERS TO PHYSICS
A. reflection
B. refraction
2014/2015 (SESSION 2)
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C. polarization
1. A 2. A 3. A 4. A 5. C 6. A 7. C 8. A 9. D
D. diffraction
10. B
6. Which of the following is FALSE about
gases in kinetic theory of gases?
A. gases have large molecules
B. the molecules of a gas are all identical
C. the molecules of a gas collide with one QUESTIONS AT
another and with the walls of the container
D. as temperature increases, the number of
collisions made by the gas molecules
increase WWW.PREP.NG
7.For a long-sighted person, light rays from a
point on a very distant object is focused
A. in front of the retina
B. behind the-retina
C. on the retina,
D. behind the retina by a diverging lens
87
1. A mixture of sand, ammonium chloride B. -1, -5 and +7

and sodium chloride is best separated by C. +1, +3 and +4
to D. +1, +5 and +7
A. sublimation followed by addition of water
and filtration 8. What is the sign of ∆H and ∆S in the
B. sublimation followed by addition of water following reaction?
and evaporation C(s) + O2(g) → CO2(g)
C. addition of water followed by filtration and ∆H ∆S
sublimation A. + 0
D. addition of water followed by B. - +
crystallization and sublimation C. + -
D. - 0
2. Which of the following elements is
common to bronze and soft solder? 9. In the periodic table, what is the property
A. tin that decreases along the period and
B. lead increases down the group?
C. copper A. atomic number
g
D. zinc B. electron affinity
C. ionization potential
3. A solution of calcium bromide contains
20g/dm3. What is the molar concentration of
calcium bromide relative to bromide ions? .n
D. atomic radius
10. Rusting of iron is a

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[Ca =40, Br= 80] A. Redox reaction
A. 0.1.0.1 B. Decomposition reaction
B. 0.1, 0.2 C. Catalytic reaction
C. 0.1. 0.05 D. Reversible reaction
D. 0.05, 0.1
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4. Haze is an example of
A. colloid
B. suspension 2014/2015 (SESSION 1)
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C. emulsion
D. aerosol 1. D 2. A 3. C 4. B 5. A 6. D 7. D 8. D 9. D
5. The volume of 0.20 mol dm-3 H2SO4 that 10. A

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will exactly neutralize 25 cm3 of 0.05 mol

dm-3 KOH solution is
A. 3.1 cm3 DOWNLOAD MORE FREE PAST
B. 10.4 cm3 QUESTIONS AT
C. 15.6 cm3
D. 26.2 cm3
6. If the relative rate of diffusion of a gas is WWW.PREP.NG

0.25 and that of Cl2 under the same condition
is 0.20; calculate the relative molecular mass
of the. gas.
A. 22.7
B. 45.4
C. 68.1
D. 90.8
7. The oxidation states of Chlorine in. HOCl3,

HClO3 , HClO4 respectively are
A. -1, +5 and +7
88
1. Hydration of ions in solution is associated 8. Which of these can be used in removing oil
with stains?
A. absorption of heat A. Benzene.
B. reduction of heat B. Chlorine water
C. conduction of heat C. Washing soda/soda ash
D. liberation of heat D. potassium trioxonitrate V
2. A current was passed for 10 mins 20secs 9. The position of equilibrium in a reversible
and 0.1 mole of Cu was deposited. How reaction is affected by
many grams of silver will be deposited by the A. surface area of the reactants exposed
same quantity of electricity? (Ag=108) B. presence of catalyst
A. 10.8 g C. changes in size of reaction flask
B. 21.6 g D. changes in concentration of the reaction
C. 5.4 g
D. 108 g 10. Which of the following solutions
containing only hydroxyl ions will liberate,
3. What is the pH of 0.001mol dm-3 of H2SO4 hydrogen gas when reacted with magnesium
g
A. 3 metal?
B. 2.7 A. 1 .0 x 10-12 mol dm-3
C. 2
D. 4
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B. 1.0 x 10-6 mol dm-3
C. 1.0 x 10-4 mol dm-3
D. 1.0 x 10-2 mol dm-3
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4. If a reaction is exothermic and there is a
great disorder, it means
A. the reaction is in a state of equilibrium ANSWERS TO CHEMISTRY
B. there will be a large decrease in free
energy 2014/2015 (SESSION 2)
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C. there will be a large increase in free

energy 1. D 2. B 3. A 4. B 5. C 6. C 7. A 8. A 9. D
D. the reaction is static
10. A
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5. The gasification of coke is used for the

manufacture of
A. natural gas DOWNLOAD MORE FREE PAST
B. producer gas QUESTIONS AT
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C. synthetic gas
D. industrial gas
6. Which of the following is arranged in order WWW.PREP.NG

of increasing atomic radius?
A. Cl, P, Al, Mg, Na, Si
B. Na, Mg, Al, Si, P, Cl
C. Cl, P, Si, Al, Mg, Na
D. Na, Al, Si, Mg, P, Cl
7. Calculate the molecular formula of a

hydrocarbon with molar mass 26 and 92.3%
of Carbon.
A. C2H2
B. C3H3
C. C2H6
D. C2H4
89

Computer Based test (CBT) it slipped off the hook, flew over his head and
landed in a field behind him.
In Questions 1- 3 choose the option
NEAREST IN MEANING to the word in Alan put down his rod, went through the gate
italics. and started searching for his trout Some
people, obviously from the city, were having
1. Ugo has often been described as a picnic in the field. One of the men shouted
belligerent. 'What on earth are you doing?' Thinking that
A. attractive it was a stupid question because they could
B. combative see how he was dressed, Alan replied
C. innocent 'Fishing'.
D. patient
'Don't be silly, the fish are down in the river',
2. Mohammed does his work with so much answered the man. 'Fish don't live in fields!'
ardour He turned to his friends, laughing, thinking
A. enthusiasm that he' had made a good joke.
B. discouragement
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C. knowledge "Oh, but they do", said Alan. 'They jump out
D. indifference of the river to look for flies and I catch them
3. The policy has been espoused by the

ruling party .n
with my hands. 'At that moment he 'found
his trout in the grass and picked it up and
showed it to the picnickers. He put it in his
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A. rejected basket and bent down, as if he was hunting
B. outlined for another one. The picnickers, no longer
C. supported laughing, spent the rest of the day searching
D. condemned the field.
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In each of questions 4 to 5, fill each gap 6. The picnickers were

with the most appropriate option from A. farmers
the list provided. B. from the nearby village
C. tourists
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4. I am sure that my mother will not find out. D. people from the city
She is so _____, that she will accept E. anglers like him
anything I tell her.
A. credible In each of questions 7 to 8, select the
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B. credulous option that best explains the information

C. creditable conveyed in the sentence.
D. incredible
E. incredulous 7. The convict said he was tired of leading a
dog's life. To lead a dog's life means to live
5. My father told me to take the money A. carelessly
from_____ it. B. in disgrace
A. whoever offers C. in solitude
B. whomever offers D. in misery
C. ever who offers E. in poverty
D. whomsoever offer
Reference Text: 8. The President stood his ground because

Read the passage below carefully and the Committee members would not be
answer the question that follows. persuaded to arrive at a compromise on the
issue being debated.
One day, Alan, a friend of mine, who likes A. yielded his position
country life, was fishing in a river, when he B. shifted his position
caught a trout. He tried to pull the fish in but C. maintained his position
90
D. defended his position amazed to see a cobweb-like tangle separate

E. resisted his position itself from the cocoon.
She picked up the gauzy mass and found
In questions 39 and 40 select the word that one of ihe threads could he unwound-
OPPOSITE IN MEANING to that almost without end from the cocoon. His
underlined. Linu-shih had discovered silk. She was
delighted with the discovery and even wove a
9. The plebs can be found in every society of ceremonial robe for the Emperor out of the
the world. cocoon thread. After that, the officials in the
A. masses Emperor's court wore brightly dyed silk robes
B. elite on important occasions:
C. middle class
D. politicians People in other countries regarded the new
fibres as something rare and beautiful. A few
10. Oche entered the principal's office in a traders went to China to learn about making
rather abrasive manner. cloth from silk, but the Chinese kept their silk
A. gentle worms a closely guarded secret.
B. lackadaisical
C. rude 11. It is implied in this passage that silk was
D. indifferent discovered
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A. after years of hard work and research by
Reference Text: the Empress.
Read the passage below carefully and

answer the question that follows. .n
B. by accident.
C. in the search for a more durable fibre for
making cloth.
D. after some experiments carried out by the
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In 1973 a Japanese Seri culturist arrived in Japanese sericulturist.
Malawi with a batch of 40,000 silkworm eggs. E. by design.
They Were taken to the Bvumbwe
Agricultural Research Station in Thyolo Question 12 is based on Jerry Agada's
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District. In this station, work is being done to The Successors

determine favourable silkworm rearing
conditions and areas where mulberry trees, 12. What did Terkura Asten do with' the
whose leaves the worms feed on, could grow remaining money chief Ofege gave to him?
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well. According to researchers, the silkworms He____

which eventually develop into cocoons from A. bought a beautiful house.
which raw silk is ' produced do well in areas B. bought two cars for his father.
with warm climatic conditions. C. married another wife.
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D. invested in his business.

Silk is one of the strongest of fibres. In fact,
for thousands of years, silk fabrics have been In question 13, choose the option that
regarded as the most beautiful and durable has the same consonant sound as the
materials woven by man. Many people call one represented by the letter(s)
silk the 'cloth of kings and queens'. underlined.
The weaving of silk originated in China. An 13. Vision

old Chinese book, believed to be written by A. mansion
Confucius, tells us that the wife of Emperor B. enclosure
Huang-ti was the first person to make fabrics C. nation
of silk. Around 2640 B.C., Emperor Huang-ti D. capture
asked his wife Hsi Lingshih to study the
worms that were destroying. the mulberry In the following question, choose the
trees in his garden. The Empress took some appropriate stress pattern from the
of the cocoons into the palace to see what options, the syllables are written in
they were made of. She dropped one of the capital letters.
cocoons into a bowl of boiling water and was
14. information
91
A. inforMAtion USE OF ENGLISH

B. INformation
C. inFORmation 2015/2016 ANSWERS
D. informaTlON
1. B 2. A 3. C 4. B 5. A 6. D 7. D 8. C 9. B
In question 15, the word in capital
letters has an emphatic stress. Choose 10. A 11. B 12. D 13. B 14. A 15. D
the option that best fits the expression
in the sentence.
15. The traditional chief NARRATED the stop QUESTIONS AT
to the children.
A. The children heard the story from the
traditional chief
B. Who narrated the story to the children? WWW.PREP.NG
C. The children could not listen to the story
by the traditional chief.
D. Did the chief hide the story from the
children?
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92
Computer Based Test (CBT) A. Mercurous nitrate

B. Copper sulphate
1. The part of the mammalian brain C. Mercuric nitrate
responsible for maintaining balance is____ D. Sodium Carbonate
A. medulla oblongata E. Ammonium hydroxide
B. cerebellum
C. optic lobe 8. Which of the following statements gives
D. cerebrum the BEST description of bark?
E. olfactory lobe A. Tissues outside the vascular cambium
B. Cork-like tissues found only in stems
2. Milk can be pasteurized by_____ C. Brown tissues never found in primary
A. addition of common salt growth
B. boiling for one hour D. Cork-like tissues of old trees
C. heating to 75°C for 20 minutes
D. the addition of vinegar 9. Nitrogen is released to the atmosphere
E. heating to 100°C for 12 hours by_____
A. nitrogen-fixing bacteria
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3. Water is required for seed germination to B. nitrifying bacteria
take place because it____ C. denitrifying bacteria
A. activates the enzymes
B. softens the testa
C. liberates energy for growth .n
D. saprophytic bacteria
10. The respiratory organ of land snail

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D. permits radicle growth is_____
E. allows oxygen to diffuse into the seed A. radula
B. mantle
4.If an organic compound has its C. tentacle
hydrogen:oxygen ratio as 2:1, it is likely to D. foot
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be____
A. a protein 11. The organelle responsible for heredity is
B. a carbohydrate labelled_____
C. a fat
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D. a fatty acid and glycerol

E. an amino acid
5. The movement of a plant in response to

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external stimulus of no particular direction

is____
A. taxism A. I
B. tropism B. II
C. haptotropic movement C. III
D. nastic movement D. IV
E. phototropism
12. Which is the correct order in an
6. 'Jointed skeleton' is absent in the evolutionary sequence for the following plant
A. cockroach groups?
B. spider A. bacteria ⟶ ferns ⟶ algae ⟶ mosses ⟶
C. millipede seed plants.
D. snail B. bacteria ⟶ ferns ⟶ mosses ⟶ algae ⟶
E. dragon fly seed plants.
C. bacteria ⟶ algae ⟶ mosses ⟶ ferns
7. In a Biuret test, some protein was mixed ⟶seed plants.
with sodium hydroxide solution, which of the D. bacteria ⟶ mosses ⟶ algae ⟶ ferns ⟶
following chemicals should be added to the seed plants.
mixture for positive result?
93
13. The habitat of the cysticercus of Taenia BIOLOGY 2015/2016

solium is____
A. alimentary canal of cattle ANSWERS [ SESSION 1]
B. muscle of pig
C. alimentary canal of pig 1. B 2. C 3. A 4. B 5. D 6. D 7. B 8. B 9. C
D. muscle of cattle
10. B 11. B 12. C 13. B 14. C 15. C
14. The exchange of genes between
homologous chromosomes is called_____
A. test cross DOWNLOAD MORE FREE PAST
B. back cross QUESTIONS AT
C. crossing-over
D. mutation
15. The main function of the choroid is____ WWW.PREP.NG

A. protection of the eye ball
B. transmission of light
C. supply of nutrients to tissues of the eye
D. converging light
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94
COMPUTER BASED TEST (CBT) 8. Which of the following lacks chaetae,

tentacle and antennae?
1. The spores of ferns are dispersed by____ A. snail
A. wind B. crab
B water C. millipede
C. insect D. earthworm
D. explosive mechanism
9. Which of the following is a feature of the
2. Which of the following is formed population pyramid of a developing country?
immediately after the first product of A. Low death rate
photosynthesis? B. Short lifespan
A. Lipid C. Long lifespan
B. Starch D. Low birth rate
C. Oxygen
D. Sugar 10. In an experiment to investigate the effect
of nitrogen on the growth of plants, the
3. A dried fruit formed from two or more substrate should be a medium of_____
g
carpels containing several seed is_____ A. washed sand
A. follicle B. saw dust
B. legume
C. capsule
D. schizocarp .n
C. cow dung
D. clay soil
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11. An onion is a bulb because it_____
4. Carbon monoxide poison tissues by _____ A. has a tuberous stem
A. constricting the blood vessels B. has a reduced stem and thick fleshy
B. killing the cells leaves
C. combining with haemoglobin C. has adventitious roots
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D. rupturing the blood vessels D. bears many buds at the nodes
5. The structures that prevent food particles 12. What do bacteria in root nodules derive
from escaping through the fish gills are called from host plant?
w.
gill_____ A. Protection and minerals

A. arches B. Water and minerals
B. filaments C. Carbohydrates and water
C. rakers D. protection and carbohydrates
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D. lamellae
13. Fruits which develop without fertilization
6. An old man is likely to be long-sighted of the ovule are ____
because age affects the ____ A. false
A. optic nerves B. multiple
B. retina C. aggregate
C. ciliary muscles D. parthenocarpic
D. cornea
E. aqueous humour
14. A severe deficiency thyroxin results in
7. Normally any character shown by an _____
organism is due to the effects of_____ A. diabetes Mellitus
A. chromosomes B. sexual underdevelopment
B. genes and environment C. cretinism
C. hormones and chromosomes D. gigantism
D. hormones and genes
E. mutations 15. A red-coloured flower when crossed with
a white-coloured one produced pink flowers.
This is an example of_____
95
A. complete dominance
B. blending inheritance
C. interaction of genes
D. black crossing
BIOLOGY 2015/2016
ANSWERS (SESSION 2)
1. D 2. B 3. C 4. C 5. C 6. C 7. B 8. B 9. B
10. C 11. B 12. D13. D 14. C 15. B

QUESTIONS AT
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96
Computer Based Test (CBT) height when the barometer reads 74.0 cm
and the volume of the space above the
1. From the kinetic theory of gases, mercury is 6.0 cm3.
temperature is a A. 72.0 cm
A. form of energy and is proportional to the B. 74.5 cm
total kinetic energy of the molecules. C. 75.1 cm
B. form of energy and is proportional to the D. 76.0 cm
average kinetic energy of the molecules.
C. physical property and is proportional to 7. A wave has a frequency of 2 Hz and a
the total kinetic energy of the molecules. wavelength of 30 cm. The velocity of the
D. physical property and is proportional to wave is______
the average kinetic energy of the molecules. A. 60.0 ms-1
B. 6.0 ms-1
2. A 20-toothed gear wheel drives a 60- C. 1.5 ms-1
toothed one. If the angular speed of the D. 0.6 ms-1
smaller wheel is 120 rev s-1 the angular
speed of the larger wheel is_____ 8. If the distance between two stationary
g
A. 3 rev s-1 charged particles is doubled, the magnitude
B. 40 rev s-1 of the electrostatic force between them will
C. 360 rev s-1
D. 2400 rev-1
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be_____
A. Doubled
B. Halved
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3. The speed of sound in air at sea-level is C. A quarter of its former value
340 ms-1, while that of light is 300000 km-1. D. Unchanged
How far (to the nearest meter) from the E. Four times the original value
centre of a thunderstorm is an observer who
hears a thunder 2s after a lightening flash? 9. Which of the following methods CANNOT
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A. 170 m be used to produce a steel magnet?

B. 340 m The_____
C. 600 m A. passing of an electric current through a
D. 680 m solenoid
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B. repeated stroking of the specimen with a

4. A cell of internal resistance 2 ohms magnet
supplies current to a -6-ohm resistor. The C. repeated stroking of the specimen in
efficiency of the cell is_____ opposite directions with two magnets
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A. 12.0% D. heating of the specimen.

B. 25.0% E. hammering of the specimen in the earth's
C. 33.3% magnetic fields
D. 75.0%.
10. Of the following derived units, the one
5. The length of a side of metallic cube at that is not a unit of power is_____
20˚C is 5.0 cm. Given that the linear A. joule/second
expansivity of the metal is 4.0 x 10-5k-1. Find B. ampere volt
the volume of the cube at 120˚C. C. ampere2 ohm
A. 126.50 cm3 D. ohm2/volt
B. 126.25 cm3 E. volts2/ohm
C. 126.00 cm3
D. 125.00 cm3 11. Which of the following may be used to
determine the relative humidity in a physics
6. As a result of air at the top of a laboratory?
barometer, the height of the mercury column I. Manometer
is 73.5 cm when it should be 75.0 cm; the II. Wet and dry bulb hygrometer
volume of the space above the mercury is III. Hair Hygrometer
8.0 cm3. Calculate the correct barometric IV. Hydrometer
97
ANSWERS TO PHYSICS
A. 1 only
B. II and III only 2015/2016 QUESTIONS
C. II only [SESSION 1]
D. III only
E. II, III and IV only 1. D 2. B 3. D 4. D 5. A 6. D 7. D 8. C 9. D
12. A machine has a velocity ratio of 5. It 10. D 11. B 12. E 13. C 14. B 15. C
requires a 50kg weight to overcome a 200kg
weight. The efficiency is______
A. 4%
B. 5% DOWNLOAD MORE FREE PAST
C. 40% QUESTIONS AT
D.50%
E.80
13. WWW.PREP.NG
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Two mirror M1 and M2 are inclined at right
angles as shown above. Calculate the angle
of reflection of the ray of light at mirror M2.
A. 30°
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B. 45°
C. 60°
D. 90°
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14. When an atom Loses or gains a charge, it

becomes_____
A. an electron
B. an ion
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C. a neutron
D. a proton
15. A tap supplies water at 25°C while

another supplies water at 75˚C. If a man
wishes to bathe with water at 40°C, the ratio
of the mass of cold water to the mass of hot
water required is____
A. 1:3
B. 15:8
C. 7:3
D. 3:1
98
COMPUTER BASED TEST Which combination of the above is true of

sliding friction?
1. An object is placed 10cm, in front of a A. I, II and IV
concave mirror of focal length 15cm. B. I, II and III
What is the positive and nature of the image C. I, III and IV
formed? D. II, III and IV
A. 30cm and virtual
B. 6cm and real 6. The electrochemical equivalent of a metal
C. 6cm and virtual is 0.126 x 10-6kg/C. The mass of the metal
D. 30cm and real that a current of 5A will deposit from a
suitable bath in 1 hour is _____
2 When the tension of a sonometer wire is A. 0.0378 x 10-3kg
doubled, the ratio of the new frequency to B. 0.227 x 10-3kg
the initial frequency is_____ C. 0.378 x 10-3kg
1
A. 2 D. 2.268 x 10-3kg
√
1
B. 7. Which of the following is in a neutral
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2
C. √2 equilibrium.
D. 2 A. A heavy weight suspended on a string.
3. A short response time is obtained in a

liquid-in-glass thermometer when the___
A. stem is long and thin
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B. A cone resting on its slant edge.
C. A heavy-based table lamp.
D. The beam of a balance in use.
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B. bulb is large and thick-walled 8. Which of the following instruments has a
C. bulb is small and thick-walled pure tone?
D. liquid is of high density and the bore is A. Guitar
large B. Vibrating string
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E. bulb is thin-walled and the liquid is a good C. Tuning fork

conductor of heat D. Siren
4. 9. If a radioactive substance with a half-life

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of 3 minutes remains 400g after 6 minutes,

what is the original mass of the substance?
A. 800g
B. 2400g
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C. 600g
D. 1600g
In the figure above, the value of R is _____ 10. An object placed 36cm from a converging
A. 3Ω lens of focal length 20cm forms a real image
B. 4 Ω which is 40cm high. What is the height of the
C. 5 Ω object?
D. 6 Ω A. 30cm
B. 22cm
5. I. The frictional force is independent of the C. 32cm
area of the surfaces in contact. D. 45cm
II. The frictional force depends on the nature
of the surfaces in contact. 11. Which of the following statements about
III. The frictional force depends on the speed defects of vision is/are CORRECT?
of the sliding. I. For a long-sighted person, close objects
IV. The frictional force is directly appear blurred.
proportional to the normal reaction. II For a short-sighted person, distant objects
appear blurred.
99
III. Short sight is corrected by using a pair of PHYSICS 2015/2016 ANSWERS

converging lenses.
[SESSION 2]
A. I and II only
1. A 2. A 3. E 4. D 5. A 6. D 7. B 8. C 9. D
B. II only
C. I only
10. C 11. A 12. C 13. C 14. B 15. C
D. II and III only
12. The total length of a spring when a mass

of 20g is hung from its end is 14cm, while its
total length is 16cm when a mass of 30g is QUESTIONS AT
hung from the same end. Calculate the
unstretched length of the spring assuming
Hooke's law is obeyed.
A. 9.33 cm WWW.PREP.NG
B. 12.00cm
C 10.00cm
D. 10.66cm
13. A milliammeter with full scale deflection
g
of 10mA has an internal resistance of 5
ohms. It would be converted to an ammeter
with a full-scale deflection of 1A by
connecting a resistance of _____
A. 99/5 ohm in series with it
B. 99/5 ohm in parallel with it
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C. 5/99 ohm in parallel with it
D. 5/99 ohm in series with it
14. What precaution should a manufacturer

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take to ensure that energy loss in a

transformer is minimized?
A. The winding of the transformer should be
made of high resistance wires. B. The core
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should be made of thin sheets of metal. C.

No magnetic material should be used to
make the core.
D. The flux linking the primary with the
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secondary coils should be minimum
15. If an object is placed in front of two

mirrors inclined at 90˚, how many images
will be formed?
A. Five
B. Four.
C. Three
D. Two
100
COMPUTER BASED TEST(CBT) D. NO and H2O
1. 2SO2(g) + O2(g) ⇋ 2SO3(g) ∆H= -395.7Kjmol-1 8. The salt formed between citric acid and
the reaction above, the concentration of sodium hydroxide in solution will be
SO3(g) can be increased by A. acidic
A. decreasing the pressure B. neutral
B. decreasing the temperature C. basic
C. increasing the temperature D. amphoteric
D. the addition of catalyst
9. On exposure to the atmosphere, a
2. Which of the following compounds is a hydrated salt loses its water of crystallization
normal salt? to become anhydrous. This phenomenon is
A. Na2CO3 referred to as
B. NaHSO4 A. deliquescent
C. NaHCO3 B. hygroscopy
D. NaHS C. hydrolysis
D. efflorescence
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3. Which of the following ions can be used as
an oxidizing agent? 10. Vulcanization involves the removal of
A. F-
B. Fe3+
C. Au3+ .n
A. a double bond
B. the single bond
C. a polymer
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D. Ca2+ D. a monomer
4. CO(g) + H2O(g) → CO2(g) + H2(g) 11. In an equilibrium reaction, which of the

Calculate the standard heat change of the following conditions indicates that maximum
reaction above if the standard enthalpies of yield of product will be obtained?
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formation of CO2(g), H2O(g) and CO(g) in KJmol-1 A. Equilibrium constant is very large
are -394, -242 and -110 respectively. B. ∆H - T∆S=0
A. +262 KJ mol-1 C. ∆H > T∆S
B. -262 KJ mol-1 D. Equilibrium constant is less than zero
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C. +42 KJ mol-1
D. -42 KJ mol-1 12. 2C2H2(g) +5O2(g) → 4CO2(g) +2H2O(g)
In the reaction above, the mass or
5. CH3CH2CL + KCN → CH3CH2 CN + KCl carbon(IV) oxide produced by burning 78g of
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In the reaction above. the cyanide is ethyne is

A. nucleophilic A. 264g
B. electrophilic C. 352g
C. hydrophilic B. 39g
D. hydrophobic D. 156g
6. The bleaching action of chlorine gas is 13. 𝐶𝑢(𝑎𝑞)

2+
+ 4𝑁𝐻3(𝑔) ⇌ [𝐶𝑢(𝑁𝐻3 )4 ]2+
(𝑎𝑞)
effective due to the presence of In the reaction above, what is the effect of
A. oxygen precipitating 𝐶𝑢(𝑎𝑞)
2+
as CuS(s)
B. hydrogen chloride A. NH3(g) concentration will decrease
C. water B. More NH3(g) will be generated
C. air C The equilibrium will shift to the right
D. There will be no effect
7. Which of the following pairs of substances
will wet further with oxygen to form a higher Use the diagram below to answer
oxide? questions 14 and 15
A. SO2 and NO
B. CO2 and H2O
C. CO and CO2
101
2015/2016 (SESSION 1)
1. B 2. A 3. D 4. D 5. A 6. C 7. A 8. C 9. D
10. A 11. A 12. A 13. B 14. A 15. C

QUESTIONS AT
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14. Which of the following gases can be used
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to demonstrate the experiment?
A. hydrogen chloride
B. hydrogen sulphide
C. nitrogen(II) oxide
D. dinitrogen(l) oxide .n
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15. The colour of the fountain water is
A. orange
B. blue
C. red
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D. yellow
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102
COMPUTER BASED TEST (CBT) D. hydrochloric acid
1. The basicity of CH3COOH is 7. The elements that belong to the third

A. 1 period, of the periodic table are
B. 2 A. Li, Be, Al and P
C. 3 B. Na, P, O and CI
D. 4 C. B, C, N and O
D. Na, Mg, S and Ar
2. Ethanol reacts with concentrated
tetraoxosulphate (VI) acid at a temperature 8. Synthetic gas is a mixture of
above 170°C to form A. CH4 and H2O
A. ethanone B. CH4 and H2
B. ethanal C. CO2 and H2
C. ethyne D. CO and H2
D. ethene
9. Which of the following is a neutralization
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3. The type of bonding in iodine molecule is reaction? The addition of
A. dative A. nitric acid to hydrochloric acid
B. covalent B. nitric acid to distilled water
C. coordinate
D. electrovalent
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C. nitric acid to sodium hydroxide
D. sodium hydroxide to distilled water
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4. The acid used in electrolysis of water is 10. A metal X forms two bromides with
A. HNO3 formulae XBr2 and Xbr3. What type of
B. CH3COOH bonding exists, between X and bromine in
C. H2SO4 the bromides?
D. HCl A. Metallic bonding
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B. Ionic bonding
5. C. Covalent bonding
D. Dative bonding
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11. Calculate the mass of 1.12 dm3 of

chlorine gas.
A. 3.55g
B. 35.5g
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C. 4.5g
D. 1.78g
12. The sulphide which is insoluble in dilute

hydrochloric acid is
In the diagram above, which of the curves
A. ZnS
represents the evolution of oxygen with time
b. Na2S
in the equation
C. FeS
2KClO3(s)⇢ 2KCl(s) +3O2(g)?
D. CuS
A. X
B. Y
13. What is the pH of a 0.001 mol dm3
C. Z
solution of sodium hydroxide?
D. R
A.14
B.13
6. In the laboratory preparation of oxygen,
C.12
dried oxygen is usually it is collected over
D. 11
A. mercury
B. calcium chloride
14. The type of isomerism shown by cis- and
C. tetraoxosulphate(VI) acid
trans-isomers is
103
A. optical isomerism CHEMISTRY 2015/2016

B. positional isomerism
C. functional isomerism ANSWERS (SESSION 2)
D. geometrical isomerism
1. A 2. D 3. B 4. C 5. D 6. A 7. D 8. D 9. C
15. Which of the following statements is true
about 2-methyipropane and butane? 10. B 11. A 12. D 13. D 14. D 15. D
A. They have the same boiling points
B. They have different number of carbon
atoms DOWNLOAD MORE FREE PAST
C. They have the same chemical properties QUESTIONS AT
D. They are members of the same
homologous series
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104

QUESTIONS (CBT) D. may cause loss of consciousness
In the questions 1 to 8, choose the 8. The situation has deteriorated sharply and
expression or ward which best relatives between the two countries may
completes each sentence. soon be _____.
A. removed
1. Many African leaders cling ______ to B. broken
power. C. eliminated
A. economically D. withdrawn
B. judiciously
C. tenaciously In each of questions 9 to 10, select the
D. furiously option that best expresses the meaning
of the phrase or word underlined
2. Most newspapers help the ______ public.
A. reading 9. After a careful review of Adamu’s last
B. reader examination result, the principal concluded
C. reader's that his performance left much to be desired.
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D. readable A. was extremely desirable
B. was very brilliant
3. After the initial confusion, the Manager's
suggestion brought _____ to the depressed
investors. .n
C. was very unsatisfactory
D. was very satisfactory
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A. a glitter of hope 10. The take home pay of many workers is
B. a sparkle of hope such that they can hardly make both ends
C. a raise of hope meet.
D. a glimmer of hope A. finish their schedule of work
B. live an honest life
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4. This is the very man about ______ our C. keep two jobs at a time
teacher spoke during the session. D. live within their income
A. whose
B. whom In questions 11 and 12, select the
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C. who option that expresses the same idea as

D. which the one in quotes
5. The problems of-Nigeria's worsening 11. "To put something aside” is to

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economy seem to have ______ an immediate A. keep in safety

solution. B. keep something for some special purpose
A. rejected C. put it in a side pocket for future use
B. defiled D. put it by one's side
C. defied
D. defined 12 "An open secret" means
A. an open matter
6. He is very tired. He really _____ is staying B. a fact that is very secret
up late. C. a secret known to everybody
A. getting used to D. a confidential matter
B. got used to
C. used to In each of questions 13 and 14, choose
D. not used to the option nearest in meaning to the
words in italics.
7. The body is sensitive to changes in
velocity which, if too sudden, ______. 13. Most people are vulnerable to
A. it may lose consciousness communicable disease.
B. consciousness may be lost A. exposed
C. one may become unconscious B. liable
105
C. open ANSWERS TO 2017/2018

D. immutable
USE OF ENGLISH
14. The recent meeting of the two rebel
leaders was a propitious moment for stable 1. C 2. A 3. D 4. B 6. D 7. D 8. B 9. C 11. B
government in the country.
A. delicate 12. C 13. C 14. B 15. A
B. auspicious
C. important
D. outstanding
15. Which of the following options has stress QUESTIONS AT
on the first syllable?
A. Madam
B. Command
C. Invite
D. Prepare
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106
MATHEMATICS 2017/2018 QUESTIONS

COMPUTER BASED TEST (CBT) C. 15 g
D. 25 g
1. Calculate the perimeter of the segment of
a circle of radius 7cm if the chord subtends 7. A die is thrown and a coin is tossed. Find
angle 90° at the centre. the probability that the die shows an even
A. 7√2 cm number and the coin shows a head.
B. 1 l cm 1
A.
C. (11+7√2) cm 4
1
D. (11−7√2 cm B.
6
1
2. The ratio of the sides of two similar C.
2
rectangular blocks is 5:3. If the volume of D. 1
smaller block is 324 cm3, that of the other
block is 8. If two triangles are similar, then
A. 1500 cm3 I. the corresponding angles are equal
B. 900 cm3 II. the corresponding sides are proportional
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C. 864 cm3 III. the areas of the triangles are in the same
D. 540 cm3 ratio as the lengths of the corresponding
3. From an observation point close the edge

the sea, a ship is 14 km away on a bearing of
130°. A second ship is 48 km away on a
.n
sides
IV. the triangles are congruent Which of the
above statements are CORRECT?
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bearing of 220°. This distance separating the A. I and II only
ships is B. Ill and IV only
A. 32 km C. I, II and III only
B. 50 km D. I, III and IV only
C. 55 km
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D. 62 km 9. A binary operation * is defined over the

set of real numbers such that m * n = m + n
4. The average age of the three children, in a + 2 and m ⨀ n = m−n + 1. Which of the
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family is 9 years. If the average age of their following equations is not true?
parents is 39 years, the average age of the A. a*(b*c)=(a*b*c
whole family is B. a*(b*c)=(a*c) *b
A. 20 years C. a⨀(b⨀c)=(a⨀b) ⨀ c
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B. 21 years D. a*(b⨀c)=(a*b) ⨀ c
C. 24 years
D. 27 years 10. If 2cos2θ = -cosθ and 0<θ<180°, then θ
is
5. How many different three-digit number A. 90° or 120°
can be formed using the integers 1 to 6 if no B. 60° or 90°
integer occurs twice in a number? C. 60° or 120°
A. 20 D. 30° or 150°
B. 60
C. 120 11. The coordinates of the vertices P and Q
D. 240 of a square PQRS are P = (1, 3) and Q = (5,
1). The coordinates of R could be
6. The rate of ice formation in the freezer A. (3. 7)
compartment of a refrigerator is (2 - 0.3t) g B. (3, 0)
per min; where t is the time in minutes. If C. (6, 3)
there was initially 10 g of ice in the ice- D. (7, 5)
maker, the mass of ice present after 10
minutes is 12. When a polynomial f(x) is divided by 2x -
A. 5 g 3, the quotient is x2−x + 2 and the
B. 10 g remainder is -1. Find f(x).
107
A. 2𝑥 3 − 5𝑥 2 + 7𝑥 − 5 ANSWERS TO MATHEMATICS
B. 2𝑥 3 − 5𝑥 2 + 7𝑥 − 7
C. 2𝑥 3 + 5𝑥 2 − 3𝑥 + 7
2017/2018
D. 2𝑥 3 − 5𝑥 2 − 7𝑥 + 5
1. C 2. A 3. B 4. B 5. C 6. C 7. A 8. A 9. C
13. Divide 24346 by 426
10. A
A. 236
B. 356
C. 526
D. 556
QUESTIONS AT
14. What are the integral values of x which
satisfy the inequality -1 < 3 - 2x ≤ 5?
A. -2, 1, 0, -1
B. -1, 0, 1,2 WWW.PREP.NG
C. -1, 0, 1
D. 0, 1, 2
15. If 6log 𝑥 2 − 3 log 𝑥 3 =

3 log 5 0.2, 𝑓𝑖𝑛𝑑 𝑥
g
A. 3/8
B. ¾
C. 4/3
D. 8/3
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108
COMPUTER BUSED TEST C. is a stepdown transformer.

D. increases the total energy output.
1. The force on a current carrying conductor
in a magnetic field is greatest when the 7. When light is incident on an object which
A. conductor makes an angle of 60 with the is magenta in colour, which of the following
field colours would be absorbed?
B. Force is independent of the angle between A. Red and blue
the field and the conductor C. conductor is B. Green only Cited and green
parallel with the field D. Red only
8. Which of the following statements about
2. A moving Coil galvanometer of 300 c friction is NOT correct?
resistance gives full scale deflection for A. The force of kinetic friction is less than the
1.0mA. The resistance, R, of the shunt that is force of static friction.
required to convert the galvanometer into a B. The force of kinetic friction between two
3.0A ammeter is surfaces is independent of the areas in
A. 899.70 Ω contact provided the normal reaction is
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B. 10.00 Ω unchanged.
C. 0.10 Ω C. The angle of friction is the angle between
D. 0.01 Ω
3. The range of wavelengths of the visible .n

the normal reaction and the force friction.
D. The force of rolling friction between two
surfaces is less than the force of sliding
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spectrum is 400nm to 700nm. The friction.
wavelength of gamma rays is
A. shorter than 700nm but longer than 9. Electrical power is transmitted at a high
400nm voltage rather than low voltage because the
B. longer than 700nm amount of energy loss is 'due to _____.
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C. shorter than 400nm A. heat dissipation

D. 550nm B. production of Eddy current
C. excessive current discharge
4. If the relative density of a metal is 19, D. excessive voltage discharge
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what will be the mass of 20cm3 of the metal

when immersed in water? 10. A ship traveling towards a cliff receives
A. 400g the echo of its whistle after 3.5 seconds. A
B. 39g short while later, it receives the echo after
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C. 380g 2.5 seconds. If the speed of sound in air

D. 360g under the prevailing conditions is 250 ms-1,
how much closer is the ship to the cliff?
5. Vapour is said to be saturated when A. 10m
A. more molecules return to die liquid thin B. 350m
the amount that left it C. 175m
B. a dynamic equilibrium exists between the D. 125m
molecules of the liquid and the vapour
molecules at s given temperature 11. A current-carrying conductor experiences
C. the vapour pressure is equal-to the a force When placed in a magnetic field
atmospheric pressure because the
D. all the molecules are moving with the A. conductor is magnetised
same speed in all directions at a given B. magnetic field of the current interacts with
temperature external magnetic field
C. force is due to the motor principle
6. When a transformer has more secondary D. electric field of the current interacts with
windings than primary windings; it external magnetic field
A. has a smaller secondary current.
B. has a greater power output. 12. The linear expansivity of brass is
109
2 x 10-5C-1. If the volume of a piece of brass ANSWERS TO PHYSICS

is 15.00cm3 at 0℃, what is the volume at
100°C? 2017/2018 (SESSION 1)
A. 16.03 cm3
B. 1 6.00 cm3 1. D 2. C 3. C 4. C 5. B 6. A 7.B 8. C 9. A
C. 15.09 cm3
D. 15.03 cm3 10. D 11. B 12. C 13. B 14. D 15. B
13. In a resonance tube experiment, a tube

of fixed length is closed at one end and DOWNLOAD MORE FREE PAST
several turning forks of increasing frequency QUESTIONS AT
used to obtain resonance at the open end. If
the turning fork with the lowest frequency
which gave resonance had a frequency 𝑓1and
the next turning fork to give resonance had a WWW.PREP.NG
frequency 𝑓2 find the ratio 𝑓2 : 𝑓1
A. ½
B. 3
C. 9
D. 8
g
14. I. Its velocity is constant.
II. No work is done on the body.
III. It has constant acceleration directed
away from the centre.
IV. The centripetal force is directed towards
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the centre.
Which combination above is true of a body
moving with constant speed in a circular
track?
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A. I and III
B. I and IV
C. II and III
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D. II and IV
15. A machine requires 1000 J of work to

raise a load of 500N through a vertical
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distance of 1.5m. Calculate the efficiency of

the machine.
A. 80%
B. 75%
C. SO%
D. 33%
110
COMPUTER BASED TEST (CBT) 7. The refractive index of a liquid is 105. If

the velocity of light in vacuum is 3. 0 x 108
1. A 24V potential difference is applied across ms-1, the velocity of light in the liquid is
a parallel combination of four 6-ohm ____.
resistors. The current in each resistor is A. 1.5 x 108 ms-1
A. 1A B. 2.0 x 108 ms-1
B. 4A C. 3.0 x 108 ms-1
C. 16 A D. 4. 5 x 108 ms-1
D. 18A E. 9.0 x 108 ms-1
E. 36A
8. Which of the following quantities are
2. In which of the following arrangements is scalars?
the wavelength in an increasing order? I. Electrical potential
A. Gamma rays, infrared rays, x-rays, radio II. Torque
waves. III. Momentum
B. Gamma rays, x-rays, infrared rays, radio IV Kinetic energy
waves.
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C. Radio waves, x-rays, gamma rays, A. II and III only
infrared rays. B. II and II only
D. Infrared rays, radio waves, x-rays,
gamma rays.
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C. III and IV only
D. I and IV only
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3. A galvanometer of resistance 20 is to be 9. A block of ice floats on water inside a
provided with a shunt such that 1/10 of the container. If the block of ice gets completely
whole current in a circuit pass through the melted, the level of water in the container
galvanometer. The resistance of the shunt is will
A. 2.00 A. increase
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B. 2.22 B. remain the same

C. 18.00 C. decrease
D.18.22 D. first decrease and then increase
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4. An inclined plane which makes an angle of 10. Thermal equilibrium between two objects
30˚ with horizontal has a velocity ratio of exists when
A. 2 A. the temperatures of both objects are equal
B. 1 B. the quantity of heat in both objects is the
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C. 0.866 same
D. 0.50 C. the heat capacities of both objects are the
same
5. A 20kg mass is to be pulled up in a slope D. one object loses heat continuously to the
inclined at 30° to the horizontal. if the other
efficiency of the plane is 75%, the force
required to pull, the load, up the plane is....
(g=10m/s2).
A. 13.3N
B. 73.5 N
C. 133.3 N
D. 533.2N
6. If a room is saturated with water vapour,

the temperature of the room must be
A. at 0˚C.
11. In the figure above, the three forces F1,
B. above the dew point
F2, F3 acting at O are in equilibrium. If the
C. at 100℃
D. below or at the dew point
111
magnitude F1 is 10.0N and the magnitude of PHYSICS 2017/2018 ANSWERS

F2 is 5.0N, find the magnitude of F3.
A. 26.4N
(SESSION 2)
B. 15.0N
1. B 2. B 3. B 4. A 5. C 6. D 7. B 8. D 9. B
C. 13.2N
D. 10.0N
10. A 11. C 12. A 13. C 14. B 15. D
12. 22,000J of heat is required to raise the
temperature of 1.5kg of paraffin from 20℃ to
30℃. Calculate the specific heat capacity of DOWNLOAD MORE FREE PAST
paraffin. QUESTIONS AT
A. 1466 J Kg-1℃-1
B. 2933 J Kg-1℃-1
C. 4400 J Kg-1℃-1
D. 58661 J Kg-1℃-1 WWW.PREP.NG
13. When white light is dispersed by a
spectrometer, the component having the
shortest wavelength is
A. orange
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B. green
C. violet
D. red
14. An Object is placed 5.6 x 10-4 m in front

of a converging lens of focal length 1.0 x 10-3
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m. The image formed is
A. real, erect and magnified
B. virtual, erect and magnified
C. real, inverted and magnified
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D. virtual, erect and diminished
15. A bar magnet is most effectively

demagnetized by
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A. placing it in a N 5 position and hitting it

with a hammer
B. subjecting it to an electric current from a
battery
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C. bringing its north pole in contact with the

north pole of a very strong magnet
D. heating the magnet
112
Computer Based Test (CBT) A. C6H6O3

B. C6H12O6
1. Stainless steel is used for making C. C3H6O3
A. Tools D. CH2O
B. Magnets
C. Coins and medals 8. Which of these represents redox reaction?
D. Moving parts of clock A. AgNO3 + NaCl ⇢ AgCl + NaNO2
B. H2S +Pb(NO3)2 ⇢ PbS + 2HNO3
2. The product formed at the cathode during C. CaCO3 ⇢ CaO + CO2
the electrolysis of sodium chloride solution D. Zn +2HCl ⇢ ZnCl2 +H2
with carbon electrodes is
A. sodium 9. The acid that is used to remove rust is
B. chlorine A. boric
C. hydrogen B. trioxonitrate (V)
D. oxygen C. hydrochloric
D. tetraoxosulpate (VI)
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3. The alkanol obtained from the production
of soap is 10. A compound commonly used for the
A. ethanol sterilization and preservation of specimens
B. glycerol
C. propanol
D. glycol
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and food is
A. ethanol
B. benzene
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C. ether
4. Some metals are extracted from their ores D. ammonia
after some preliminary treatments by
electrolysis (L), some by thermal reaction (T) 11. The relative atomic mass of a naturally
and some by a combination of both occurring lithium consisting of 90% Li and
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processes (TL). Which set-up in the following 10% Li is

for the extraction of iron, copper and A.6.9
aluminium is correct? B. 7.1
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A. iron (L), copper (L), aluminum (T) C. 6.2

B. Iron (T), copper (L) aluminium (T) D. 6.8
C. Iron (TL), copper (TL)aluminium (TL)
D. Iron (L), copper (T). aluminium (T) 12. Which of the allotropes of carbon is a
E. Iron (T), copper (L), aluminium (TL) constituent of a lead pencil?
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A. Graphite
5. Which of the following will liberate B. Diamond
hydrogen from steam or dilute acid? C. Lampblack
A. Iron D. Soot
B. Mercury
C. Copper 13. Coffee stains can best be removed by
D. Lead A. turpentine
B. kerosene
6. The colour of methyl orange in alkaline C. a solution of borax in water
medium is D. ammonia solution
A. orange
B. red 14. Iron can be prevented from corrosion by
C. yellow coating the surface with
D. pink A. gold
B. silver
7. A compound contains 40.0% carbon, 6.7% C. zinc
hydrogen and 53.3% oxygen. If the molar D. copper
mass of the compound is 180, find the
molecular formula.
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15. Substances used as drying agents are

usually
A. amphoteric
B. acidic
C. hygroscopic
D. efflorescent
ANSWERS TO 2017/2018
CHEMISTRY QUESTIONS
1. A 2. C 3. B 4. E 5. A 6. C 7. B 8. D 9. D
10. A 11. A 12. A 13. C 14. C 15. C

QUESTIONS AT
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114
COMPUTER BASED TEST (CBT) C. Condensation reaction

D. Substitution reaction
1. Which of the following is used to hasten
the ripening of fruits? 8. Which of the following arrangements is in
A. Ethanol o. decreasing electro positivity?
B. Ethene A. Fluorine, Boron, Beryllium, Nitrogen,
C. Ethyne Lithium
D. Ethane B. Lithium, Beryllium, Boron, Nitrogen,
Fluorine
2. The products of the combustion of candle C. Fluorine, Nitrogen, Boron, Beryllium,
wax are Lithium
A. hydrogen and water D. Lithium. Nitrogen, Boron, Fluorine,
B. oxygen and water Beryllium
C. carbon(IV) oxide and water
D. carbon(II)oxide and water 9. How much heat will be liberated if 10g of
hydrogen burns in excess oxygen according
3. In the electrolytic extraction of aluminium to the following thermochemical equation?
g
the function of the molten cryolite to H2(g) +1/2O2(g) ⇢ H(2)(l) ∆H=-286kJ
A. precipitate aluminium hydroxide A. -1430kJ
B. lower the melting point of aluminium
oxide.
C. act as raw material. .n
B. -2860 kJ
C. -572 kJ
D. -286kJ
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D. act as a solvent
10. What type of bond exist between an
4. A suitable solvent for iodine and element with atomic number 12 and Y with
naphthalene is atomic number 17?
A. benzene A. Electrovalent
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B. ethanol B. Covalent
C. water C. Metallic
D. carbon(IV) sulphide D. Dative
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5. What is the 1-UPAC name of the 11. Which of the following is an example of a
hydrocarbon mixture
A. Common salt
B. Washing soda
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C. Sand
D. Blood
A. 1-chloro-3-ethylperit-3-ene 12. Which of following is correct of the

B. 5-chloro-3-ethylpent-2,3-ene change in oxidation number of phosphorus
C. 5-chloro-3-ethylpent-2-ene from 4P to 2p2O5?
D. 1-ethyl-l-chlorbethylpropene A. 0 to +5
B. 0 to +2
6. Which of the following molecules is not C. 4 to +5
linear in shape? D. 4 to -2
A. CO2
B. O2 13. Two 50cm3 cylinders I and II contain
C. NH3 hydrogen and oxygen respectively at the
D. HCl same temperature and pressure. If there are
3.0 moles of oxygen then the mass of
7. Which of the following reactions do hydrogen is
alkenes undergo? A. 3g
A. Addition reaction B. 6g
B. Elimination reaction C. 9g
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D. 12g ANSWERS TO CHEMISTRY

14. A good method of cleaning up freshly- 2017/2018 (SESSION 2)
spilled oil which has not spread over a large
surface of water is by 1. B 2. C 3. B 4. B 5. C 6. C 7. A 8. B 9. A
A. spraying with hot water
B. dispersal with compressed air 10. A 11. D 12. A 13. B 14. C 15. B
C. burning off the oil layer
D. disinfection with chlorine
15. Hardness of water is mainly due to the QUESTIONS AT
presence of
A. calcium hydroxide or magnesium
hydroxide
B. calcium trioxocarbonate (IV) or calcium WWW.PREP.NG
tetraoxosulphate (VI)
C. sodium hydroxide or magnesium
hydroxide
D. calcium chloride or sodium chloride salts
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116

COMPUTER BASED TEST (CBT) D. are
Instructions: There are 17 questions in 7. The chairman did not take kindly to the
this section. You are expected to answer ___remarks about his policy.
15 questions only. A. abusive
B. dishonourable
In each of questions 1 to 5, choose the C. derisive
option nearest in meaning to the word(s) in D. derogatory
italics.
8. Although I am watching television, I____
1. Mr Sam is a dominant partner in our what you are saying.
industry. A. am hearing
A. An important B. can hear
B. An influential C. have heard
C. An outstanding D. was hearing
D. A prominent
9. The policemen who were to keep watch
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2. In spite of the statement credited to some connived ____the robber’s escape.
government officials, we still have our A. with
misgivings about their real intentions.
A. fears
B. distrust .n
B. at
C. to
D. for
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C. anxiety
D. objectives 10. We used to serve tea in this canteen but
____the cost of milk has become very
3. Modesty is one of our teacher’s most exorbitant.
salient characteristics. A. recently
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A. provoking B. nowadays
B. attractive C. presently
C. prominent D. lately
D. useful
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In each of questions 11 to 13, choose

4. We all praised the student’s leaders for the word that has the same vowel sound
their intrepid stand during the crisis. as the one represented by the letter(s)
A. fearless underlined.
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B. cheerful
C. reasonable 11. Tyranny
D. impressive A. high
B. dye
5. The chairman’s reaction was a storm in a C. myth
tea cup. D. myopia
A. suitable for the occasion
B. less serious than it appeared to be 12. Success
C. more serious than necessary A. suffer
D. greatly diminished in scope B. rubbish
C. punish
In the questions 6 to 12, choose the D. suggest
word or expression which best
completes each sentence. 13. legal
A. many
6. He behaves as if he ____a governor. B. margin
A. is C. mineral
B. was D. rally
C. were
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In each of questions 14 and 15, choose ANSWERS TO 2018/2019

the word that has a different stress
patter from the others. USE OF ENGLISH
14.A. generous 1. A 2. B 3. C 4. A 5. C 6. C 7. D 8. B 9. B
B. legalize
10. B 11. C 12. D 13. C 14. C 15. A 16. D
C. factious
D. hazardous 17. C
15.A. misapply
B. localize DOWNLOAD MORE FREE PAST
C. tetanus QUESTIONS AT
D. ludicrous
In the questions 16 and 17, choose the word

or expression which best completes each WWW.PREP.NG
sentence.
16. Effiong can’t kill a snake, ___?
A. can’t she
B. could she
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C. isn’t it
D. can she
17. The hunter, with his dog ____entering

the bush.
A. are
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B. was
C. is
D. were
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118

Instruction: There are 17 questions in 7. Which of the following will be applied when
this section. You are expected to answer a metal Y is used to electroplate another
15 questions only. metal X in electrolysis?
A. Y is the anode and very high current is
1. If a man is standing between two parallel used
plane mirrors with their reflecting surfaces B. X is the anode and Y is the cathode
facing each other, how many images of the C. Y is the cathode and X is the anode
man will be formed? D. X is the anode and very high current is
A. 8. used
B. 2
C. 4 8. If a tube of small radius opened at both
D. infinite ends is placed in a liquid, the liquid will____.
A. fall below the liquid level if the liquid does
2. In the Hare’s apparatus, water rises to a not wet the glass
height of 26.5cm in one limb. If a liquid rises B. rise above the liquid level if the liquid does
to a height of 20.4 cm in the other limb, not wet the glass
what is relative density of the liquid? C. remain at the same level irrespective of
g
A. 0.8 whether the liquid wets the glass or not
B. 1.1 D. fall below the liquid level if the liquid wets
C. 1.2
D. 1.3
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the glass
9. A stone and a feather are dropped from

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3. A p-m junction diode is used as____. the same height above earth surface.
A. a rectifier in a d.c circuit Ignoring resistance, which of the following is
B. an amplifier in an a.c circuit correct?
C. a rectifier in an a.c circuit A. The feather will be blown away by the
D. an amplifier in a d.c circuit wind while the stone will drop steadily
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B. The stone and feather will both reach the

4. The sharpness of the boundaries of the ground at the same time
shadow of an object is determined by the C. The feather will reach the ground first
____. D. The stone will reach the ground first
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A. rays of light passing through the object

B. intensity of light striking the object 10. An air bubbles rises from the bottom to
C. opacity of the object the top of a water dam which is 40 m deep.
D. nature of the object The volume of the bubble just below the
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surface is 2.5 cm3. Find its volume at the

5. A body of mass 4kg is acted on by a bottom of the dam, if atmospheric pressure
constant force of 12N for 3 seconds. The is equivalent to 10 m of water.
kinetic energy gained by the body at the end A. 2.0 cm3
of the time is___. B. 1.6 cm3
A. 162J C. 0.625 cm3
B. 144J D. 0.5 cm3
C. 72J
D. 81J 11. When equal weights of iron and water are
subjected to an equal supply of heat, if is
6. Two inductors of inductances 4H and 8H found that the piece of iron becomes much
are arranged in series and a current of 10 A hotter than water after a shorter time
is passed through them. What is the energy because___.
stored in them? A. the specific heat of iron is higher than that
A. 500J of water
B. 50 J B. iron is in solid form
C. 133J C. water is in liquid form
D. 250J D. the specific heat of water is higher than
that of iron
119
E. the specific heat of iron is infinite B. the pressure is low just below the water
surface
12. Of two identical tuning forks with natural C. if experiences an up thrust
frequency 256Hz, one is loaded so that 4 D. the tension in the string neutralizes part of
beats per seconds are heard when they are the weight
sounded together. What is the frequency of
the loaded tuning fork?
A. 260Hz ANSWERS TO 2018/2019
B. 252 Hz
C. 248 Hz PHYSICS QUESTIONS
D. 246 Hz
1. D 2. D 3. C 4. B 5. A 6. C 7. A 8. A 9. B
13. Radio waves have a velocity of 3 x 108
m/s. A radio station sends out a broadcast on 10. D 11. D 12. A 13. C 14. D 15. D 16. C
a frequency of 800KHz. The wavelength of
the broadcast is ____. 17. C
A. 240.0 m
B. 267.0m
C. 375.0 m DOWNLOAD MORE FREE PAST
D. 37.5 m QUESTIONS AT
g
E. 26.7 m
14. A narrow beam of white light ca be split

up into different colours by a glass prism.
The correct explanation is that___.
A. white light is an electromagnetic wave
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B. the prism has all the colours of the white
light
C. white light has undergone total internal
reflection in the prism
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D. different colours of white light travel with

different speeds in glass
15. Two forces whose resultant is 100N, are

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at right angles to each other. If one of them

makes an angle of 30° with the resultant,
determine its magnitude.
A. 8.66N
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B. 50.0N
C. 57.7N
D. 86.6N
16. A conductor of length 2m carries a

current of 0.8 A while kept in magnetic field
of magnetic flux density 0.5 T. The maximum
force acting on it is __.
A. 8.0 N
B. 3.2 N
C. 0.8 N
D. 0.2 N
17. A heavy object is suspended from a

string and lowered into water so that is
completely submerged. The object appears
lighter because___.
A. the density of water is less than that of
the object
120

Instructions: There are 17 questions in this 7. 2H2S(g) +SO2(g)→3S(g) +2H2O(l).
section. You are expected to answer 15 The above reaction is___.
questions only. A. a redox reaction in which H2S is the
oxidant and SO2 is the reductant
1. Which of the following ions is isoelectronic B. a redox reaction in which SO2 is the
with neon? [3Li, 9F, 10Ne, 17Cl, 19K] oxidant and H2S is the reductant
A. Cl- C. not a redox reaction because there is no
B. F- oxidant in the reaction equation
C. K+ D. not a redox reaction because there is no
D. Li+ reductant in the reaction equation
2. Which of the following gases is employed 8. How many unpaired electrons are in the p-
as an anaesthesia? orbitals of a fluorine atom?
A. NH3 A. 1
B. NO B. 2
C. N2O C. 3
g
D. NO2 D. 0
3. Aluminium is extracted commercially from 9. A metal M displaces zinc from ZnCl2

its ore by___.
A. heating aluminium oxide with coke in a
furnace
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solution. This shows that ___.
A. electrons flow from zinc to M
B. M is more electropositive than zinc
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B. the electrolysis of fused aluminium oxide C. M is more electronegative than zinc
in cryolite D. zinc is more electropositive than M
C. treating cryolite with sodium hydroxide
solution under pressure 10. Which of the following relationships
C. heating sodium aluminium silicate to a between the pressure P, the volume V and
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high temperature the temperature T, represents an ideal gas

behaviour?
4. The atomic number of Caesium is 55 and A. P∝VT
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its atomic mass is 133. The nucleus of B. P∝

𝑇
𝑉
Caesium atom therefore contains___. 1
C. PV∝𝑇
A. 78 protons and 55 electrons
B. 55 protons and 78 neutrons D. PT∝V
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C. 55 neutrons and 78 electrons

D. 78 neutrons and 55 neutrons 11. Increasing the pressure of a gas, ___.
A. lowers the average kinetic energy of the
5. The solubility in moles per dm3 of 20g of molecules
CuSO4 dissolved in 100g of water at 180°C is B. decreases the density of the gas
___. C. decreases the temperature of the gas
A. 0.13 D. increases the density of the gas
B. 0.25 D. increases the volume of the gas
C. 1.25
D. 2.00 12. A quantity of electricity liberates 3.6g of
[Cu=63.5, S=32, O-16] silver from its salt. What mass of aluminium
will be liberated from its salt by the same
6. Sodium hydroxide should be stored in quantity of electricity?
properly closed containers because it___. A. 2.7g
A. readily absorbs water vapour from the air B. 1.2 g
B. is easily oxidized by atmospheric oxygen C. 0.9 g
C. turns golden yellow when exposed to light D. 0.3 g
D. melts at low temperature
13. The Avogadro’s number of 24g of
magnesium is the same as that of___.
121
A. 1g of hydrogen molecules ANSWERS TO 2018/2019

B. 16g of oxygen molecules
C. 32g of oxygen molecules CHEMISTRY
D. 35.5 g of chlorine molecules
1. B 2. C 3. B 4. B 5. C 6. A 7. B 8. A 9. B
14. Which of the following is arranged in
order of increasing electronegativity? 10. B 11. D 12. D 13. C 14. B 15. B 16. D
A. chlorine, aluminium, magnesium,
phosphorus, sodium 17. C
B. sodium, magnesium, aluminium,
phosphorus, chlorine
C. chlorine, phosphorus, aluminium, DOWNLOAD MORE FREE PAST
magnesium, sodium QUESTIONS AT
D. sodium, chlorine, phosphorus,
magnesium, aluminium
15. Fluorine does not occur in the free state WWW.PREP.NG

in nature because___.
A. it is inert
B. of its high reactivity
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C. it is a poisonous gas
D. it belongs to the halogen family
16. Which of the following gases has

characteristic pungent smell, turns red litmus
paper blue and forms dense white fumes with
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hydrogen chloride gas>
A. N2
B. N2O
C. Cl2
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D. NH3
17. One of the most commonly determined

chemical parameters of water quality is___.
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A. temperature
B. suspended solids
C. biochemical oxygen demand
D. turbidity
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122
AGRICULTURE 2007/2008 QUESTIONS

1. The role of science and technology in the D. copulation, gestation, parturition and
development of agriculture includes the lactation
following except E. copulation, parturition, gestation and
A. provision of insecticide and drugs lactation
B. provision of goad road net-works
C. introduction of artificial insemination 7. The types of rocks formed from molten
D. setting up produce marketing of plants magma is known as
and animals A. sedimentary
E. introduction of new varieties of plants and B. igneous
animals C. metamorphic
D. schist
2. An accessory sex gland in a bull is E. sandstone
A. prostate gland
B. pituitary gland 8. Birds are important pest of
C. thyroid gland A. tree crops
D. pancreatic gland B. legumes
E. bulloid gland C. cereal
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D. vegetable crops
3. The replacement of traditional fanning E. stored produce
methods with modern method is a step in
agricultural
A. expansion .n
9. The practice of progeny selection involves
selecting breeding stock on the basis of the
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B. education A. performance of offspring
C. development B. parental- characteristics
E. modernization C. sire-dam relationships
D. diversification D. individual 'merits of each animal
E. characteristics of adult and young animal
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4. Although clayey soils in nutrient, they are

not pod for most agricultural rural crop 10. The commonest method of land tenure in
because they Nigeria is
A. do not release their nutrients _ A. lease
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B. are-too compact and poorly aerated B. inheritance

C. loose their nutrients too readily after rains C. outright purchase
D. contain too much iron, aluminium and D. allocation
boron
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E. are too porous 11. The most important limitation of

agricultural mechanization is
5. Rosette disease of groundnut is A. small holdings
transmitted by B. lack of technical know how
A. an eelworm C. poor marketing
B. grasshopper D. inadequate storage facilities
C. a white fly E. pest attack
D. an aphid
F. butterfly 12. Thrips cause serious mechanical damage
of crops by their
6. The sequence of events in the A. feeding activities on flowers. leaves and
reproductive process of diary animal is fruits
A. lactation, parturition, gestation and B. laying eggs on plants
copulation C. sucking of the sac of crops
B. parturition, copulation. lactation and D. burrowing activities
gestation E. activities of vectors of bacterial diseases
C. gestation, lactation, parturition and
copulation
123
13. The expression of a gene in the ANSWERS TO AGRICULTURE

phenotype irrespective' whether the cell is
homozygous or heterozygous is known as
2007/2008
A. recessive
1. D 2. A 3. C 4. B 5. B 6. D 7. B 8. C 9. A
B. partial dominance
C. test-cross
10. B 11. A 12. A 13. E 14. D 15. E
D. segregation
E. dominance
14. What are give-and-take Tunes often used
for in farm surveying? QUESTIONS AT
A. levelling measurements of farms
B. chain measurements of farm lands
C. measuring diversions or obstructions in a
farm land WWW.PREP.NG
D. measuring farm with irregular boundaries
E. measuring turning during surveying
15. The disbanded produce marketing boards

in Nigeria dealt with the following
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commodities except
A. oil palm
B. rubber
C. cocoa
D. groundnut
E. yam
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124

1. Soil texture is described as the 8. The distance between two successive yam
A. Distribution of different sizes of soil mounds should be about
panicles A. 0.10 m
B. Arrangement of soil particles in a soil B. 1. 00m
sample C. 10.00 m
C. Rate at which water moves through the D. 100.00 m
soil E. 1000.00m
D. Degree to which air spaces aerate the soil
E. Distribution of-soil particles in a sample 9. Which of the following is not the function
2. Slate is derived from of the ruminal micro-organism
A. Schist A. Digestion of cellulose
B. Sandston B. Conversion of plant proteins into microbial
C. Shale proteins
D. Gneiss C. Production of Vitamin B
E. Quartzite D. Production of gas in the rumen
E. Eruption of the ruminal gas
3. Soil-can be drained by the use of the
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following except 10. The part of the ruminant stomach from
A. Sprinklers which digestive juices are secreted is the
B. Channels
C. Gutters
D. Ditches
E. Porous pipes
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A. Rumen
B. Reticulum
C. Omasum
D. Paunch
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E. Abomasum
4. In which layer of the soil profile does most
biological activity occur? 11. The best method(s) of regulating fish
A. Parent material capture is/are
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B. D-horizon A. Gill-netting and electro-fishing

C. C-horizon B. Quota and mesh-size control
E. A-horizon C. Beach seine -method
D. Active netting
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5. Which of the following does not occur as a E. Passive netting

result of poor drained soil?
A. Mottling near the top 12. Exposing farmers to scientific knowledge
B. Decrease in rooting depth is the responsibility of the
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C. Clean re in colour the subsoil A. Research Institutes

D. Decrease. in organic matter content B. Farm settlers
E. Increase in oxygen level of the soil C. Agro-service centres
D. Extension personnel
6. The common surveying equipment for E. Agricultural development project
farmland include the following except
A. Ranging pole 13. The following are factors of Agricultural
B. Prismatic compass production except
C. Measuring tape A. Farmstead
D. Gunter's chain B. Land
E. Spade C. Labour
D. Capital
7. In the establishment of pastures, it is best E. Management
to
A. Plant only grasses 14. Which of the following is a day-to-day
B. Plant only legumes record of work on a farm?
C. Plant a mixture of grasses and legumes A. Crop yield book
D. Let the natural grasses grow B. Labour diary
E. Allow weeds to mix with the forage crops C. Farm inventory
125
D. Produce account ANSWERS TO AGRICULTURE

E. None of the above
2010/2011
16. Which of the following activities is-correct
1. A 2. C 3. A 4. D 5. A 6. E 7. C 8. D 9. D
about agricultural extension agent?
A. Teaching farmers the management of
10. A 11. B 12. D 13. A 14. B 15. B
exotic breeds of animals and crops
B. Educating farmers on the use of improved
inputs and techniques in agriculture
C. Training school leavers t9 become
professional farmers QUESTIONS AT
D. Encouraging graduates to take agriculture
as a profession
E. Understudying the researchers and
recording their findings WWW.PREP.NG
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126

1. The problems associated with land tenure 7. The most effective way of controlling or
through inheritance include the following preventing viral diseases in plants is by
except A. Planting resistant varieties
A. Small land holdings for family members B. Spraying crops regularly
B. Hatred among family members arising C. Burning affected crops
from land sharing D. Practicing crop rotation
C. Right of individuals to free use and control E. Treating seeds with chemicals
of inherited land
D. Individuals being restricted to their plots 8. Ginning is the process of
E. Difficulty to sell part of the inherited land A. Extracting cotton seed oil
B. Separating fibres from the bark of kernel
2. Which of the following factors influencing C. Grinding cotton seeds
agricultural production is a biotic factor? D. Separating cotton fibre from its seed
A. Parasite E. Converting cotton lint into yarn
B. Soil pH
C. Topography 9. Crops grown primarily for feeding animals
D. Soil texture are known as
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E. Temperature A. Vegetables
B. Cereals
3. An example of fungal disease of stored
grain is
A. Rosette .n
C. Forage
D. Legumes
E. Shrubs
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B. Wilt
C. Soft rot 10. Which of the following feeding stuffs
D. Damping off should increase in the diet of laying birds?
A. Palm kernel meal
4. Which of the following implements will be B. Bone meal
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used for the next farm operation after C. Groundnut cake

clearing a new farmland? D. Vitamin supplement
A. Harrow E. Wheat offal
B. Ridger
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C. Cultivator 11. Which of the following ages are gilts

D. Planter normal mated?
E. Plough A. 8-12 months
B. 14-15 months
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5. Which of the following types of soil C. 15-20 months

contains particles of diameter between 0.02 D. 21-24 months
mm and 2.00 mm? E. Over 25 months
A. Sand
B. Silt 12. The symptoms of vitamin deficiency
C. Gravel disease in livestock include the following
D. Clay except
E. Stone A. Scurvy
B. Loss of appetite
6. Which of the following plants is-not C. Poor blood clotting
classified as forage grass? D. Improved fertility
A. Giant star E. Rickets
B. Guinea grass
C. Elephant grass 13. Which of the following is not a factor of
D. Gamba grass improvement in breeding cattle?
E. Stylo A. Fertility
B. Butter-fat percentage
C. Weaning weight
D. Feed efficiency
127
E. Back-fat thickness ANSWERS TO AGRICULTURE

14. The act of giving birth in rabbits is known
2011/2012
as
1. C 2. A 3. E 4. E 5. A 6. E 7. A 8. D 9. C
A. Kidding
B. Farrowing
10. E 11. A 12. D 13. A 14. C 15. B
C. Kindling
D. Calving
E. Lambing
15. Low fibre and high energy feeds are QUESTIONS AT
classified as
A. Supplements
B. Concentrates
C. Roughages
D. Additives
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E. Basal feeds
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128

1. A characteristic feature of subsistence B. soil
agriculture is C. parasite
A. supply of labour by farm families D. pest
B. whole-sale of farm harvest E. disease
C. purchasing of seeds for planting
D. disease control 8. Which of the following factors has greatest
E. group farming influence on crop production?
A. light
2. The factors affecting formation soil include B. vegetation
the H following except C. water
A. organisms D. air movement
B. time E. pressure
C. topography
D. catena 9. Jute, cotton and sisal are
E. climate A. oil crops
B. perennial crops
3. The equation: C. fibre crops
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KAlSi3O8 + H2O HAlSi3O8 + K+ + OH- D. vegetable crops
represents the process of chemical E. ornamental crops
weathering called
A. hydrolysis
B. solution
C. carbonation
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10. Rice bran is usually obtained from the
paddy after
A. winnowing and boiling
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D. oxidation B. threshing and winnowing
E. hydration C. parboiling and threshing
D. harvesting and milling
4. Which of the following will not contribute E. milling and polishing
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to soil formation in Nigeria?

A. carbonation 11. The type of crops planted and livestock
B. oxidation raised in any given area depends primarily on
C. temperature the
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D. hydrolysis A. type of climate

E. glaciation B. physical factors
C. biotic factors
5. Which of the following parts of tractor D. socio-economic factors
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need not be regularly checked before use? E. edaphic factors

A. engine oil and water level
B. power take-off shaft 12. Which of the following is a primary
C. tyres and tyre pressure product of the forest trees?
D. brake and gear A. paper
E. operators and adjustment B. particle board
C. timber
6. Fertilizers that usually contain one nutrient D. cardboard
which can be used directly by plants are E. pulp
commonly called
A. organic fertilizers 13. Which of the following is not a pasture
B. mixed fertilizers legume?
C. inorganic fertilizers A. Pueraria
D. compound fertilizers B. Calopogonium
E. straight fertilizers C. Centrosema
D. Andropogon
7. Which of the following is not a biotic factor E. Stylosanthes
affecting agricultural production?
A. predator
129
14. An effective way of preventing anaemia ANSWERS TO AGRICULTURE

in piglets raised under intensive system is to
provide them with
2012/2013
A. milk supplement
1. A 2. D 3. A 4. E 5. E 6. E 7. B 8. A 9. C
B. salt lick
C. protein supplement
10. B 11. A 12. C 13. B 14. D 15. E
D. drugs containing iron
E. roughages
15. The castrated male cattle is known as DOWNLOAD MORE FREE PAST
A. bull QUESTIONS AT
B. heifer
C. castrate
D. weather
E. steer WWW.PREP.NG
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ep
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130

1. Which of the following will retain the D. Decrease in organic content
greatest amount of water? E. Increase in oxygen level of the soil
A. Clay
B. Loam 8. Which of the following diseases of crops
C. Sandy soil causes stunting in maize?
D. Sand A. Blast
E. Silt B. Rosette
C. Blight
2. Which of the following is not the role of D. Streak
agricultural production? E. Smut
A. Provision of loans and credits
B. Building of storage facilities 9. The mesocarp of an oil palm fruit is the
C. Establishment of efficient marketing A. Nut
outlets B. Kernel
D. Provision of subsidies C. Shell
E. Provision of labour D. Seed
E. Pulp
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3. Which of the following nutrient elements is
a macro-nutrient? 10. The primary product of ginger is the
A. Phosphorus
B. Zinc
C. Iron .n
A. Rhizome
B. Fruit
C. Seed
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D. Manganese D. Flower
E. Boron E. Leaf
4. The type of soils formed is affected by the 11. Which of the following crops is tolerant to
following factors except both poor and rich friable soils?
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A. Farming systems A. Onion

B. Climate B. Cocoa
C. Vegetation C. Tomato
D. Topography D. Cassava
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E. Parental material E. Rice
5. Which of the following is not a limitation to 12. A nutritional deficiency disease of

mechanization? livestock is
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A. Technical know-how A. Rinderpest

B. Capital B. Contagious aberration
C. Small holdings C. Oesteomalacia
D. Lack of spare parts D. Coccidiosis
E. Labour E. Tuberculosis
6. A soil with particles of less than 0.002 mm 13. All the following are the components of
in diameter is referred to as balanced diet except
A. Clay A. Carbohydrate
B. Silt B. Minerals and vitamins
C. Sand C. Protein
D. Gravel D. Fats and oil
E. Humus E. Sucrose
7. Which of the following occurs as a result 14. The amount of livestock feed needed to
poorly drained soil? prevent either an increase or a decrease in
A. Mottling near the top livestock weight of an animal is referred to as
B. Decrease in rooting depth A. Maintenance ration
C. Change in colour of the sub-soil B. Balanced ration
131
C. Weaner's ration
D. Production-ration
E. Breeders' ration
15. The gestation period in days of sow is

A. 30
B. 42
C. 114
D. 165
E. 180
ANSWERS TO AGRICULTURE
2013/2014 QUESTIONS
1. A 2. E 3. A 4. A 5. E 6. A 7. E 8. E 9. E
10. A 11. B 12. C 13. E 14. A 15. C
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QUESTIONS AT
WWW.PREP.NG
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ep
pr
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132
AGRICULTURE 2014/2015 QUESTIONS [DIRECT ENTRY]
1. The hormone that influences the 8. Which of the following operations takes
movement of the pelvic ligaments during place in a ginnery?
parturition in the farm animals is known as A. Production of cotton seed oil
A. relaxin B. Detoxification of cotton seed
B. prolactin C. separation of cotton seeds from lint
C. progesterone D. Production of cotton seed cake
D. oestrogen
9. Soil water that is available for root
2. The term supplying in crop production absorption field capacity is
means A. capillary water
A. pruning excess branches of crops B. hygroscopic water
B. spacing out crops during planting C. gravitational water
C. replacing ungerminated seeds on D. superfluous water
seedbeds
D. adding enough fertilizer to the crops 10. The most important factor which
determines t demand for cowpea by
3. When birds are fed with a ration deficient consumers is
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in riboflavin, which of the following A. income of consumers
symptoms will they show? B. price of cowpea
A. Night blindness
B. Cataract
C. Curled-toe paralysis
D. Scurvy t
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C. supply of cowpea
D. taste of consumers
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ANSWERS AGRICULTURE
4. Which of the following is NOT correct
about Stylosanthes gracilis? It
2014/2015 (DIRECT ENTRY)
A. is an animal legume
1. A 2. C 3. C 4. D 5. A 6. D 7. C 8. C 9. A
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B. is propagated by seed
C. is drought resistant
10. B
D. produces nodules
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5. The tree species widely used in DOWNLOAD MORE FREE PAST

afforestation programme is QUESTIONS AT
A. neem
B. teak
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C. oil palm
D. ebony WWW.PREP.NG
6. Which of the following groups of crops
require nursery for their successful
cultivation?
A. rice, maize, pepper and okro
B. cassava, guinea corn, tomato and cowpea
C. tomato, orange, soya bean and rice
D. cocoa, orange, tomato and oil palm
7. Prevention of animals’ diseases involves

the following practices EXCEPT
A. rearing disease-resistant stock
B. carrying out rotational grazing
C. identifying the sources of diseases
D. feeding balanced ration
133

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