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Chemistry
1. The electrolyte used in fuel cell is:
A) KOH C) NaNO3
B) NACl(aq) D) MOLTEN NaCl
2. Which o the following compounds react slower than benzene in electrophilic substitution reac-
tion?
A) Nitrobenzene C) Aninline
B) Phenol D) Toluene
3. Water has maximum density at:
A) -4oC C) 0oC
o
B) -1 C D) 4oC
4. Which of the following is addition polymer?
A) Polyester C) Acrylic resins
B) Epoxy resins D) Polyamides
5. The color of transition metal complexes is due to transition of electrons between:
A) P to d orbitals C) P to p orbitals
B) D to d orbitals D) D to p orbitals
6. Reagent used to reduce a carboxylilc acid to an alkane is:
A) Ni/H2 C) P/Hx
B) NaBH4 D) LiAIH4

27. The smong having high contents of SO2 is called:

A) Oxidizing smog
B) Neutral smog D) Reducing smog
C) Basic smog
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28. The best standard for the calculations of relative atomic masses is:
A) Hydrogen-1-008 C) Carbon-13
B) Carbon-12 D) Oxygen015
29. Industrically water gas is converted into methanol by using catalyst:
A) CuO + ZnO C) Al2O2 + ZnO
B) Cuo + Cr2O2 D) Zno+ Cr2O2
30. Precipitation occurs when the produt of ionic concentrations is:
A) Greater than Ksp C) Equal to Ksp
B) Less than Ksp D) Equal to unity
31. The influence of temperature on reactions rate is predicted by:
A) Free energy change C) Arrhenlas equation
B) Wander waal’s equation D) Kinetic equation
32. Maximum number of electrons in a subshell is given by:
A) 2(2/-1) C) 2(/+1)
B) 2(2/+1) D) 2/+1
33. If energy of the activated complete is close to energy of reactants it means that the rection is:
A) Fast C) Slow
B) Moderate D) Very slow
34. The charge on one proton in:
A) 1.602x10-31C C) 1.602x10-19C
-27
B) 1.602x10 C D) 1.602x10-11C
35. At 1499 mass of Hg, water will boil at:
A) 120oC C) 109oC
o
B) 119 C D) 99oC
36. The natural abundance of 79Br nad 81Br is_____ and ____ respectively.
A) 75, 53; 74, 47 C) 50,54; 49,49
B) 49,49; 50, 54 D) 59; 40
37. The octahedral geometry of the examples [Co(NH3)5]3+ has hydribization:
A) Sp3d C) Sp3d3
4
B) Spd D) Sp2d3
38. Which of the following factor(s) effect a reversible chemical reaction in accordance with the Le-
chateliler principle?
A) Pressure D) Pressure, concentration and tempera-
B) Tremperature ture
C) Concentration
39. The nature of Lysine is:
A) Acidic C) Neutral
B) Basic D) Weakly acid
40. Which of the following fertilizer contain 75% paint nutrients?
A) Ca(H3PO4)2 C) (NH2)2CO
B) (NH4)$HPO4 D) NH4NO2
41. Which one of the following has highest lattice energy?
A) NaCl C) KBr
B) KCl D) LlCl
42. The unit of rate constant is same as that of rate of reaction is:
A) First order reaction C) Second order reaction
B) Zero ordr reaction D) Third order reaction
43. Hybridization of carbon in -CHO group is:
 A) Sp C) Sp2
B) Sp2 D) Dsp
44. A single chloride free radical can destroy ozone molecule up to:
A) 100,000 C) 1000,0000
B) 10,000 D) 1000
45. Which of the following is NOT a fatty acid?
A) Phenyl acetic acid C) Palmitic acid
B) Steric acid D) Oieic acid
46. Dehydration of ethanol at 1800C in the presence of conc H2SO4 gives:
A) Ethene C) Ethyne
B) Ethane D) Ether
47. The v/m value for the canal rays is maximum for:
A) Hydrogen C) Helium
B) Nitrogen D) Argon
48. Which one is NOT a nuclephile?
A) BH3 C) -NH3
B) NH3 D) -OR
49. In contact process arsenic impurities act as poison for:
A) Fe(OH)3 C) Fe2O3
B) V2O5 D) H2S2O7
50. The ratio of S and X bonds in benzene is:
A) 4;1 C) 1;2
B) 1:4 D) 3:1
51. The order of energy level is 19K is:
A) 4s, 4p C) 3p, 4s
B) 4s, 3d D) 3s, 3d
52. The Kc units for the reaction N2(g0 + 3H2(g)  2NH3 (g0 are :
A) Mol-1dm+6 C) Mol-2dm+6
-2 +3
B) Mol dm D) Mol-1dm+3
53. Which of the following is secondary pollutant?
A) CO C) PAN
B) So2 D) NO2
+2
54. Valence electronic configuration Cu is (29Cu)
A) 5d6 C) 3d5
B) 3d9 D) 3d7
55. When two moles of H2 and one mole of O2 react to form H2O 484 KJ heat is evolved. What is ∆H2
for one mole of H2O7
A) -484Kjmol-1 C) -121KJmol-1
B) -242KJmol-1 D) +242KJmol-1
2+
56. The hydration energy of Mg is less than:
A) Na+ C) Li+
B) Ca2+ D) Al3+
57. Which catalyst is used to oxidize benzene ring?
A) FeBr3 C) Fe+Al2O3
B) V2O5 D) Kaney Ni
58. Reaction of CH3CH2MgBr with ethylene exoxide gives:
A) Ethanol C) 2-butanol
B) 1-butanol D) Butane
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59. The shielding effect of inner electrons is responsible for:

A) Decresing ionization energy C) Increasing ionization energy
B) Having no effect on ionization energy D) Increasing electronegativity
60. Which type of alkyl halides fives SN2 mechanism?
A) Secondary alkyl halides C) Venyl halides
B) Tertiary alkyl halides D) Primary alkyl halides
61. Which one of the following bases has highest Kh value?
A) NH4OH C) Ca(OH)2
B) NaOH D) CH3NH2
62. For the formation of ionic bond electronegativity difference should be:
A) Equal to zero C) More than 1.7
B) Equal to 0.5 D) Less than 1.7
63. Which alkaline earth metal makes peroxides?
A) Be C) Mg
B) Be D) Ca
64. Phenol reacts with CH3COCl to give:
A) Acid C) Alcohol
B) Ester D) Aldehyde
65. Which of the following oxides is must acidic oxide?
A) Al2O3 C) Na2O3
B) Cl2O5 D) CaO
66. The total number of transitions element is:
A) 58 C) 39
B) 48 D) 25
3-
67. The oxidation state of carbon in C3O 4 is:
A) +4 C) +3
B) -4 D) +2
68. Diethyl ether and n-butanol are:
A) Position isomers C) Chain isomers
B) Functional group isomers D) Transforms
69. The shape of CO2 molecule is similar to:
A) H2S C) SnCl2
B) SO2 D) BeF2
70. Which of the following metal does NOT liberate hydrogen on reaction with acids?
A) Mg C) Zn
B) Pt D) Ca
71. The sugar unit in DNA molecule is:
A) Ribose C) 3-deoxyribose
B) 2-deoxyribose D) 2-deoxypentose
72. Order of reactivity of halogens towards alkenes is:
A) F2/I2?Br2>Cl2 C) F2>Cl2>Br2>I2
B) F2>Br2>cL2>I2 D) F2>Cl2>I2>Br2
73. Stronger the oxidizing agent stronger is the:
A) Sand of soil C) Reduction potential
B) Oxidization potential D) Rados potential
74. ZUNAC name o Divinyl acetylene is:
A) 1 5-hexadiyne -3-ene C) 3-Herone-1-5-dyne
B) 15-hexadiane-3-yne D) 3-Heryne-1,5-diene
 75. Carbonynl group undergoes:
A) Electrophilis addition reaction C) Electrophilic substitution reaction
B) Neulophilic addition reaction D) Nucleophilic substitution reaction
76. Α-hydrolysis carboxylic acid and nitrogen and produced when amine react with
A) HNO3 C) NH3
B) HNO2 D) N2O5
77. The pka valve of CH3COOH is 4.74. the PH of equimolar solution of acetic acid solutions acetate is:
A) 12.0 C) 4.72
B) 7.1 D) 4.74
78. Which is the paramagnetic oxide of chlorine?
A) Cl2O7 C) ClO2
B) Cl2O6 D) ClO4
79. Acetone can be obtained by ozonolysis of:
A) 2-butyne C) 1ae-butene
B) 20butene D) 1-butene
80. Which of the following molecule has zero dipole moment?
A) PCl3 C) NH3
B) BF3 D) H2O
BIOLOGY
81. Solubility of fatty acids in organic solvents and their melting points increases with:
A) Decrease number of carbon atoms in chains C) Increase number of hydrogen atoms in
B) Decrease number of triple bonds in chains chains
D) Increase number of carbon atoms in chains
82. Which of the following combination is NOT the part of an animal cell?
A) Central yasuole, cell membrane, ribosome C) Cell wall, chloroplast, central vacuole
B) Chloroplast, ribosome, mitochondiion D) Ribosome, mitochondrion, cell wall
83. Chlorophyll molecule resemble the haem group of haemoglobin, the main difference between these
two molecules is that chlorophyll has____ ion
A) Fe2+ C) Mn2+
B) Mg2+ D) Ca2+
84. According to Hardy-Weinberg theorem, what will be the frequency of heterozygote when “r” is 0.27
A) 0.32 C) 0.42
B) 0.38 D) 0.48
85. Genetic code is a ____ code and out of 64 codons,_____ are nonsense codons
A) Single; two C) Triplet; two
B) Single; three D) Triple; three
86. The inner membrane of mitochondrion has many infoldings into the inner chamber, these floding are
called as:
A) Cristae C) Matria
B) Cristanae D) F1 particles
87. All of the following harmones are secreted from anterior lobe of pituitary gland BUT?
A) Somatotrophin hormone C) Antidiaretic hormone
B) Thyroid stimulating hormone D) Ganodotrophic hormones
88. Lactic acid fermentation is a type of enerobic respiration that occurs in human muscles cells, it yields
only___ % of the energy present in a glucose molecule.
A) 1 C) 3
B) 2 D) 4
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89. When hydroxyl group of carboxyl group of one amino acid linked with hydrogen of amino group of
another amino acid,____ released and peoptide bond is formed
A) NH2 C) H2O
B) CO2 D) O2
90. Which one of the following helps the enzyme to recognize and bind toa specific subststrate, to pro-
duce an ES complex?
A) Binding site C) Co-factor
B) Catalytic site D) Rosthetic group
91. During DNA replication____ attaches the fragment to the lappind afraid
A) Ligase C) Heplicase
B) Invertase D) Tapolomerase
92. Which of the following are composed of proteins only which contain the information that codex for
their swift replication?
A) Virus C) Prions
B) Virise D) Capolids
93. Which of the following is NOT true for meiosis?
A) Number of chromosomes reduced to half C) It takes place at the time of growth in ani-
B) It takes place at the time of spore formation mals
in plants D) Two consecutive cell divisions are involved
in it
94. In plants____ hormone promotes closing of stomata in throught conditions
A) Ethene C) Cytokines
B) Gribbcrolling D) Asbscisic acid
95. Locus is defined as
A) Position of a gene are the choromosome C) Partner of a gene pair
B) Appearance of a trait in an individual D) Gene is an individual for a trait
96. Which of the following can be blocked, if one wanats to stop translation of mRNA?
A) RNA polymerase C) Elongation factor
B) Helicase D) Primase
97. Ribose sugar that is main part of RNA is a type of _____sugars
A) Triose C) Pentose
B) Yetrose D) Hexose
98. Beadle nad tatum exposed neurospora spores to____ radiations to check the mutations
A) Gamma C) Ultraviolet
B) Infrared D) X-rays
99. The ____ may be ca cell, neutron ending or an organ that receive the stimulus
A) Effector C) Adoptor
B) Receptor D) Stimula
100. Name the part marked as X?
A) Sineatrial node C) Sinoventridular mode
B) Atrioventricular node D) Atrioatrial node
101. Ephiceter muscle in urinary system present near the junction of:
A) Pelvis ureter C) Urinary bladder nad urethra
B) Ureter nad urinary bladder D) Urethra and bladder
102. In a typical compound microscope the resolution of 2 um, which is about____ that of naked eye
A) 200x C) 400x
B) 300x D) 500x
E)
103. Direction of reflex action is form:
A) Neceptor to sensory neuron to motor neu- C) Effector to sensory neurons to associative
ron and then through associative neurons neuron and then through motor neurons to
to effector receptor
B) Receptor to sensory neuron to associative D) Effector to sensory neuron to motor neuron
neuron and then through motor neurons to and then through associative neurons to re-
effector ceptor
104. In prokaryotes only one type of RNA polymerase is present while____ type of RNA polymerase are
present in eukaryotes
A) Two C) Four
B) Three D) Five
105. A single gnee can by using:
A) DNA fingerprinting C) Get electronphoresis
B) Polymerase chain reaction D) Recombinant DNA technology
106. Many substances which are urgently required by the cell while cell absorbs them against the concen-
tration gradient by utilizaing energy in the form of:
A) ATP C) GTP
B) Heat D) Light
107. Which cannot be true for a man having B+ve blood group?
A) His mother’s blood group is BB C) His father’s blood group is AO
B) His mother’s blood group is Bo D) His father’s blood group is AA
108. FADH2 is produced during which step of Krebs cycle?
A) When isocitrate is converted into alpha-Ke- C) When succinate is converted into Fur-
toglutarate marate
B) When alpha_ketoglutarate is converted into D) When furmarate is converted into Malate
succinate
109. Recent studies of HIV reveal that the virus infects and multiply in the ____ but does not cause
deisease in them
A) Menkeys C) Horses
B) Cats D) Dogs
110. The main force which generate the blood pressure is vessels is contraction of:
A) Auricles of heart C) Arteries
B) Vnetricles of heart D) Veins
111. In meiosis II _____ differentiate into sperms
A) Spermatorcyte C) Sertuli cells
B) Spermatids D) Polar bundles
112. Ahmed’s blood cannot clot properly he was diagnosed with hemophilia A. he passed this trait to his
grandson through his
A) Wife C) Daughter
B) Son D) Brother
113. Exposure to____ light is effective in photosynthesis as it enables guard cells to take up K+ and peering
of stomate
A) Red C) Green
B) Blue D) Orange
114. Which one is not a continuous trait?
A) Human height C) Wheat grain color
B) Tangue relling D) Human skin color
115. The example of artificially induced active immunity is:
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A) Exposure of actual infection C) Injection of antibiotics

B) Injection of antiserum D) Vaccinations
116. Which of the following of not true for gene used in recombinant DNA technology?
A) It can be isolated from chromosomes C) It can be made from protein
B) It can be synthesize chemically D) It can be made from mRNA
117. In the Calvin cycle, the redcuing power from NADPH is used during
A) Formation of 1,3-bisphosphoglycerate C) Formation of fructore 1-5 bisphoshate from
B) Conversion of 1,3-bisphosphoglycerate to 1,3-bisphosphoglycerate
Glyceraldehyde 3-phasphate D) Formation of glucose from fructose
bisphosphate
118. The most common example of members of the kingdom fungi is/are:
A) Star fish C) Aigae
B) Mushrooms D) Human
119. The water moves by osmosis from the nearby xylem is the sucrose containing sieve tube which in-
creases the____ pressure of sieve tube element
A) Water C) Hydrostatic
B) Solute D) Hydrodynamic
120. Ovulation of induced by____ hormone secreted by prituitary gland
A) Furticle stimulating C) Luteinizing
B) Estrogen D) Progesterone
121. Which of the following disease cannot be cures by gene therapy?
A) SCID C) Cystic fibrosis
B) Tuberculosis D) Cancer
122. Estimatinog relative CO2 consumptio or O2 release during phosphsynthesis at different wave length
of ligh is termed as:
A) Action spectrum C) Dars reaction
B) Absorption spectrum D) Light reaction
123. The irritant substances of smoke cause smoker’s cough which weekend and surets
A) Branch C) Aivesll
B) D) Traches
124. Repeating membrane potential of neuron is___ while during active membrance potential inner mem-
brane surface isomers more___ than th outside
A) +70 mx ; negative C) +70mx; positive
B) -70mx; negative D) -70mx; positive
125. As gm of blood decrease ions increases which contains the proteins start of haemoglobin to decrease
the ability to same with
A) O2 C) CO
B) CO2 D) H2
126. Cheat cavity is surrounded by muslces on the sides while the floor of cheat caviaty is called
A) Pleura C) Chest cage
B) Alverill D) Diagphragm
127. The plant havaing thick outside needle like reduced leaves and rumken atomata are harmed as
A) Hydrophytes C) Hemophytes
B) Neophytes D) Kerophytes
128. Recent research indicated that more than__compound of bar of tobacco smoke are irritated in cancel-
ling lung’x cancer
A) 05 C) 50
B) 10 D) 100
129. Blue to the similarity of structure competitive inhibiters may be associated by the___- size, but are
not able to activate ___ sixze
A) Catalytic; binding C) Bindgin; active
B) Positive; binding D) Binding catalytic
130. The main cause of creation of tension between water molecules is____ which helps to make water
chaing pulled up in ascent of sap
A) Reset pressure C) Water potential
B) Imbibition D) Hydrogen bonding
131. T-lymhocyte is names due to its relationship to____ gland, as its influences is essentials in making T-
cells immuniologically competent
A) Thyroid C) Testers
B) Thymes D) Burse
132. Muscle fiber has many____ and as turn chese have many____
A) Myofiber is sarcomeres C) Myosin thin filaments
B) Myofiber is thin filaments D) Mysosin sarcomeres
133. Which of the following offers an active barrier between the cell content and content and their envi-
ronment by allowering single selective substances to pass through it?
A) Cell wall C) Nuclear membrane
B) Plasma membrane D) Vascune
134. The specific hear capacity of water is the number of caleries required to raise the temperature of wa-
ter from___ C is 1B
A) 15 to 16 C) 15 to 20
B) 16 to17 D) 25 to 26
135. Which of the following blood vessel has/have valves which prevent backwards flow of blood?
A) Artery C) Vein
B) Capillary D) All of the above
136. In process of muscle contraction,____ is brought closer, ____ shortens nd ____ disappears
A) Z-lines, H-zond, I-band C) Z-line, I-band, H-zone
B) I-ban, Z-lines, H-zone D) H-zone, I-band, Z-line
137. Eukaryotic multicellular and consumers belong to ___ kingdom
A) Monara C) Fungi
B) Prostista D) Animolia
138. The smaller subunit (40s) of ribosome combines with larger subunit(205) in the presence of
Mg2+ ion to form__ particle
A) 1005 C) 825
B) 905 D) 705
139. Neurotransmitter triggered action potential in the poet synaptic neuron by chaning the per-
meability of certain___
A) Ions C) Bnzymes
B) Hormones D) Proteins
140. If the week is heterozygous yellow(Y) in a test cross what will be the probability of appearance
of seed color?
A) 0% yellow, 100% green C) 50% yellow, 50% green
B) 25% yellow, 75% green D) 100% yellow, 0% green
141. Which of the following has the ability to develop ester linkage with OH group of pentose
sugar?
A) Purine C) H3PO4
B) Pyrimidines D) HNO3
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142. Muscles that are attached to bones and have voluntary movements are termed as___ muscle
A) Cardiac C) Skeletal
B) Smooth D) Hard
143. The oxidation of PGAL during glycolysis yields____ molecule
A) ATP C) PADH
B) FAD D) ADP
144. Particular array of chromosomes that an individual possesses is called its
A) Nucleosome C) Keyotype
B) Gene pool D) Centromerce
145. Meselson and stahi experiment confirmed that DNA replicate in ____ manner
A) Conservative C) Dispersive
B) Semi-conservative D) New synthesis
146. Each β-chain of haemoglobin molecule contains ___ amino acids
A) 136 C) 235
B) 146 D) 285
Physics
161. in SI system of units the fundamental unit of mass, time and length are____ ____ and ____
respectively
A) centimeter, centigram and second C) kilogram, second and meter
B) kilometer , kilogram and second D) kilogram, second and kilometer
162. an element whose atomic number is same but mass number is different is called:
A) isomer C) isotopes
B) isotope D) isotones
163. the shortest wavelength of radiation in Balmer series emitted but when electron jumps below
A) 3 C) 9
B) 4 D) 8
164. If a wire of resistance R is strectehed into double of its length then its resistance becomes____
A) R C) 3R
B) 2R D) 4R
165. Emission of an alpha particle from a radioactive element
A) Increases its atomic number by 1 C) Increases its atomic number by 1
and decreases mass number by 1 and decreases mass number by 2
B) Increases its atomic number by 2 D) Increases its atomic number by 2
and decreases mass number by 2 and decreases mass number by 4
166. If frequency of incident light is increased beyon threshold frequency keeping light intensity
constant then:
A) Stopping potential increases C) Stopping potential remains con-
B) Stopping potential increases stant
D) Stopping potential becomes infinite
167. In an inetastic collision momemtum is____ and kinetic energy is____ respectively
A) Not converved not conserved C) Conversed conserved
B) Conserved not conserved D) Not conserved, conserved
168. Input resistance of an operational amplifier is:
A) Very low C) Moderate
B) Very high D) Becomes infinite
169. The property of light bonding around obstacles and spreading of waves into geometrical
shadow of an obstacle is called___
 A) Shadow C) Diffraction
B) Refrection D) Reflection
170. According to kineteic theory of gases with means value of molecular velocity; the pressure of
gas is given by:
3𝑁 1 3𝑁 1
A) P=2𝑉 < 2 mv2> C) P=2𝑉 < 2 (mv)2>
3𝑁 1 3𝑁 1
B) P=2𝑉 < 2 mv2> D) P=2𝑉 < 2 mv2>
171. The chemical properties of elements depend on____
A) Atomic number only D) Neither number and mass number
B) Mass number only both
C) Atomic number and mass number
both
172. Damping is the process whereby____ is____ from the oscillating system
A) Energy; dissipated
B) Energy; generated
C) Energy; conserved
D) Energy; stored

173. A wave, which transfers____ by mov-

ing away from sourse of disturbance is
called___ wave
A) Momentum; standing
B) Energy; standing
C) Energy; progressive
D) Momentum; progressive
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