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SEKTOR SEKOLAH BERASRAMA PENUH

KEMENTERIAN PELAJARAN MALAYSIA

SET 1

SAINS

Kertas 2

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INISEHINGGA DIBERITAHU

1. Tuliskannombor kad pengenalandanangka gilirananda pada ruang yang disediakan .

2. Kertas soalan ini adalah dalam Bahasa Inggeris .

3. Calon dikehendaki membaca maklumat di halaman 2.

Kertas soalan ini mengandungi 14 halaman bercetak

SULIT

55/2

SULIT

55/2

Sains

Kertas 2

2007

1 jam

NO. KAD PENGENALAN

ANGKA GILIRAN

Kod Pemeriksa

Bahagian Soalan Markah

Penuh

Markah

Diperolehi

A

1 5

2 6

3 6

4 9

5 8

6 6

7 8

8 12

Jumlah 60

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INFORMATION FOR CANDIDATES

1. This question paper consists oftwosections: Section A andSection B.

2. Write your answers in the spaces provided in the question paper.

3. Show your working, it may help you to get marks.

4. If you wish to cancel any answer, neatly cross out the answer.

5. The diagrams in the questions provided are not drawn to scale unless

stated.

6. Marks allocated for each question or part question are shown in brackets.

7. The time suggested to complete Section A is 60 minutes andSection Bis 30 minutes.

8. You may use a non-programmablescientific calculator.

9. Hand in all your answer sheet at the end of the examination.

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Section A

( 40 marks )

Answerallquestions

The time suggested to complete this section is 60 minutes

1 a) Match the cells in the human body and their functions in Diagram 1

Cell Function

*Carries

oxygen around the body

Nerve cell

*Carries male gametes

Reproductive cell

*To cause movement

Red blood cell

*Tocarry messages around the

body

Muscle cell[3 marks]

b) Name one organ in the human body in which would you find muscles cells.

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_______________________________________________________________

[1 mark]

c) Which system in the human body involves sperms?

______________________________________________________________

[1 mark]2. Figure 2 shows the changes of state in physical process.

X:_________________ Q:_______________ P:____________

freezing

boiling

Y:__________________ Z:___________________FIGURE 2

a) Complete the physical process X, Y, and Z in Figure 2 using the following words.

[ 3 marks]

b) Name the processes P and Q in Figure 2 [ 2 marks]

_______________________________________________________________

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Liquid Solid Gas

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c) Give an example of a substance that goes through process Q._______________________________________________________________

[1 mark]3. Figure 3 shows the apparatus used in the electrolysis of water

Test tube M Test tube N

FIGURE 3

a) Which of the two carbon rods, X or Y functions as the anode?

_______________________________________________________________

[1 mark]b) State one function of dilute sulphuric acid in Figure 3

_______________________________________________________________[1 mark]

c) i) Table 3 shows the result of the above experiment.

Name the gas released at M and N.

Test Tube Observation Gas

M Less air bubbles

N More air bubbles

TABLE 3 [2 marks ]

ii) State the test to identify the gas collected in test tube M.

_______________________________________________________________

[1 mark]

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Water + dilute sulphuric acid

Carbon rod YCarbon rod X

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iii) What is the ratio of volume of gases in test tube M and N ?

_______________________________________________________________[1 mark]

4. Figure 4.1 shows the structure of human eye

FIGURE 4.1

a) i) Draw the pathway of light rays of normal sightedness in Figure 4.1

[2 marks]ii) Name the part of the eye on which the image is formed.

_______________________________________________________

[1 mark]

b) Figure 4.2 shows the defect of vision

K L

FIGURE 4.2

i) Name the types of defects in :

K_____________________________________

L:____________________________________ [2 marks ]

ii) Give 2 reasons that cause the defect in K.

______________________________________

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______________________________________ [2 marks ]

iii) What type of lenses are used to correct the defects:

K:_____________________________________

L: _____________________________________ [2 marks ]

5. Figure 5 shows the apparatus set up to study the heating of calcium carbonate.

FIGURE 5

a). What can be observed when the calcium carbonate is heated ?

__________________________________________________________

[1 mark]

b). i) State the changes in lime water .

___________________________________________________________

[1 mark]ii) Name the gas released during the heating of calcium carbonate.

___________________________________________________________[1 mark]

c) Write the word equation for the reaction.

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Calcium carbonate

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_______________________________________________________________

[2 marks]

c) Urine eliminated from X is tested. The table below shows the results of the

test.

Urine test Observation

Boiled with Benedicts solution Brick red prepicitate is formed

i) What can be traced in the urine?

_______________________________________________________________

[1 mark]

ii) Deduce the type of disease that may be suffered by this person.

______________________________________________________________

[1 mark]

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Section B

(20 marks)

Answerall questions

The time suggested to complete the section is 30 minutes

7. Figure 7 shows a picture of animals R, S, T, U, and V

R S

T

V

UFIGURE 7

Observe the animals in Figure 7 carefully.

a) Based on your observations in Figure 7, state the characteristics for any fouranimals R, S, T, U and V

R. ____________________________________________

S. ____________________________________________

T. ____________________________________________

U. ____________________________________________

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8. Figure 8 shows an experiment to study the relationship between the length of a

pendulum and the time taken for the simple pendulum to make one complete swing.

a) On the Figure 8.1 above, draw arrows to show the pendulum making one complete swing

[1 mark]

b) What is the hypothesis that can be made from this experiment?

________________________________________________________________

________________________________________________________________

[2 marks]

The results are recorded in table 8 below;

TABLE 8

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c) i) Complete Table 8, calculate the time taken for one complete swing

[ 1 mark]

ii) Why do the students take two readings for each length of the pendulum?

________________________________________________________________

[1 mark]

d) State the variables in the experiment:

i) Constant variable:

__________________________________________________________

ii) Manipulated variable:

__________________________________________________________

iii) Responding variable:

__________________________________________________________

[3marks]

e) Based on Table 8, plot a graph of the length of pendulum against time taken forthe simple pendulum to make one complete swing.

Time taken ( s)

[2 marks]

13

0.5

1.0

1.5

2.0

2.5

0 10 20 30 40 50 Length of pendulum (cm)

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f) Based on the graph above, predict the time taken to make one complete swing

if the length of the pendulum is 50 cm.

_______________________________________________________________

[1 mark]

g) State one example of the use of the pendulum in our daily life.

_______________________________________________________________[1 mark]

END OF QUESTION PAPER

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