SULIT

JABATAN PELAJARAN NEGERI SEMBILAN DARUL KHUSUS

PENILAIAN TINGKATAN TIGA NEGERI SEMBILAN 2008

55/1 & 55/2

SCIENCE

Paper 1 and 2

55© 2008 Hak Cipta Pejabat Pelajaran Daerah Tampin SULIT

1
 MARKING SCHEME
PAPER 1

(SKIMA PEMARKAHAN)

No. Answer No. Answer No. Answer No. Answer

1. D 11. D 21. A 31. D
2. A 12. C 22. C 32. C
3. C 13. D 23. C 33. D
4. D 14. B 24. A 34. B
5. B 15. D 25. D 35. B
6. C 16. B 26. A 36. A
7. A 17. D 27. D 37. A
8. C 18. B 28. C 38. B
9. D 19. C 29. C 39. B
10. A 20. B 30. B 40. B

2
No Description

1 a. Student should be able to identify and label the part of human ear with
the given words.

P : Auditory canal
Q : Cochlea 3
R : Semicircular canal

b. Able to match the function and the parts of the human ear.

Transmits sound waves to the eardrum

P
Detects and changes sound vibrations into impulses
Q
Collects and directs sound waves into auditory canal
R
Help to balance the body 3 6

2 a. i. Able to state process X

Fertilisation 1

ii. Able to state the product of fertilisation

Zygote 1

b. Able to give one advantage of sexual reproduction

Produce a variety of offspring 1

c. Able to give 2 types of vegetative reproduction and state their example

Accept any 2 type of vegetative reproductions with relative example 2

d. Able to write a difference between asexual and sexual reproduction

Asexual reproduction does not involve fertilisation but sexual reproduction

involved fertilisation of gametes 1 6

Accept any other differences

3
3 a. i. Able to name the gas involved in the process

Oxygen 1

ii. Able to identify the process involve in the activity.

Combustion 1

b. i. Able to complete the equation of combustion.

Fuel Water
+ oxygen Carbon dioxide + 2
Bahan api Air

c. Able to calculate the volume of oxygen used during combustion.

50 ml 1

d. Able to identify which activity involve combustion

1 6

4
4 a. Able to state the gas collected at anode and cathode during electrolysis of
water.
1
M : Oxygen 1
N : Hydrogen

b. i. Able to state substance X is an acid

Sulphuric Acid
Hydrochloric Acid
Nitric Acid 1
Any other acid any one

ii. Able to state the function of substance X in the electrolysis of water.

1
To speed up the reaction / (electrolysis) process of water

c. Able to write the equation for the electrolysis of water.

Water 2
Hydrogen + Oxygen
Air

d. Able to write the observation for the test of oxygen and hydrogen

Gas Test with Observation

Glowing splinter
M Lighted the glowing splinter

Lighted splinter 2 8
N Produce a ‘pop’ sound

5
5 a. Able to state what happened to the rubber rod when it is rub with cotton
cloth.
1
The rubber rod will be electro statically charged. ( accept any charge )

b. Able to identify and write the type of charge for the phenomena

2
+ + + +
+ + +++
+ + + + + +

e. Able to write one function of fuse in the house circuit.

To break the circuit when there is 1

- a short circuit
- an increase of current in the circuit.
Any other relevant answer.
f. Able to calculate the current used by the refrigerator is marked 2800 W,
240V and make a decision on the type of fuse use.
power
Current I =
voltage
1
2800
Current I =
240
1
= 11.67

7
5A 10A 13A 15A
1

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6 a. i. Able to state one of the tropism shown by the plant in the figure.

Phototropism
Hydrotropism
Geotropism any one 1

ii. Able to write the important of the tropism mention in a.i.

Phototropism :- to get sunlight for photosynthesis.

Hydrotropism :- to get water from the ground. 1
Geotropism :- enable the roots to grow deep into the ground.
The important must follow the answer in a.i.

b Able to state the effect of the substance used in the experiment

i. Anhydrous calcium chloride

Absorb water from the atmosphere. 1
ii. Water.
To stimulate the roots towards water. 1

c i. Able to state the other stimulus that stimulate the roots

Gravity 1

ii. Able to name the tropism for the above stimulus

Geotropism 1

d Able to state the function of water to plant.

To carry dissolved mineral salt into the plant 1 7

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7 a. Able to write the characteristic of the organism from the observation
made in the figure

i Spirogyra: Made up of many cells / more than one cells

ii Amoeba : Made up of a / single cell 4
iii Hydra : Made up of many cells / more than one cells
iv Euglena : Made up of a / single cell

b. Able to class the organism in a according to their common charateristic

mention above

Common characetistic Made up of many cells / more than one cells

Spirogyra ; Hydra
Made up of a / single cell
Amoeba ; Euglena

4 8
Reject : Unicellular and multicellular for common characteristic.

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8 i. Able to state the difference by observing the figure.

The aluminium pot is hotter that glass pot (after 15 minute) 1

ii. Able to make an inference from observing the situation in the figure.

Aluminium pot gets heated faster than glass pot/ Type of pots influece the 1
hotness of the pot

iii. Able to make a hypothesis from the observation above.

1
Aluminium conduct heat faster than glass // different material have
different heat conductivity.

iv. Able to read the reading of the stop watch and record the reading in the
table provided

Type of rod Copper Glass Iron Aluminium

Jenis rod Kuprum Kaca Besi Aluminium

Time / s 3
15 60 45 35
Masa / s

v. Able to state the variable involved in the experiment.

(i) Manipulated variable

Pembolehubah dimanipulasikan
1
Type of rod

(ii) Responding variable

Pembolehubah bergerak balas

1
Time for the thumbtack to drop
(iii) Constant variable
Pembolehubah dimalarkan

Length of the rod. 1

Initial temperature of water
Distance of the thumbtack to the water tank

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d. Able to plot the bar chart using the data in the table.
Time/s
Masa/s

70

60

50

40

30

20

10

0 Type of rod
Copper Glass Iron Aluminium Jenis rod
Kuprum Kaca Besi Aluminium

All point correct 1

Graph correct 1

e. Able to define operationally the good conductor of heat.

A good heat conductor is the material that conduct heat faster 1 12

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