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    SEKTOR SEKOLAH BERASRAMA PENUH

    KEMENTERIAN PELAJARAN MALAYSIA

    PEPERIKSAAN PERTENGAHAN TAHUN 2006

    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

    [Lihat sebelah

    55/2 2006 Hak Cipta Sektor SBP

    SULIT

    55/2

    Sains

    Kertas 2

    Mei

    20061 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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    SULIT

    55/2

    INFORMATION FOR CANDIDATES

    1. This question paper consists oftwo section : 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 scaleunless stated.

    6. Marks allocated for each question or part question are shown inbrackets.

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

    is 30 minutes.

    8. You may use a non-programmable scientific 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

    1a) 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

    *To carry messages around the body

    Muscle cell[3 marks]

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

    _______________________________________________________________

    [1 mark]

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    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 followingwords.

    [ 3 marks]

    Liquid Solid Gas

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

    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 ]

    Water + dilute sulphuric acid

    Carbon rod YCarbon rod X

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

    _______________________________________________________________[1 mark]

    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

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    i) Name the types of defects in :

    K_____________________________________

    L:____________________________________ [2 marks ]

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

    ______________________________________

    ______________________________________ [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

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    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.

    heat +

    [ 2 marks ]

    d) What are the elements in calcium carbonate ?

    ____________________ , _____________________ , _______________________

    [ 2 marks ]

    e) What happens when a few drops of water are dropped onto the heated calciumcarbonate ?

    ____________________________________________________________________

    ____________________________________________________________________[ 1 mark]

    Calcium carbonate

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    6. Figure 6 shows the human urinary system

    FIGURE 6

    a) Name the structures X and Y.

    X: _____________________________________________

    Y: _____________________________________________

    [ 2 marks ]

    b) State two excretory products of organ X.

    _______________________________________________________________[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]

    X

    Y

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    Section B

    (20 marks)

    Answer all 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

    VU

    FIGURE 7

    Observe the animals in Figure 7 carefully.a) Based on your observations in Figure 7, state the characteristics for any four animals

    R, S, T, U and V

    R. ____________________________________________

    S. ____________________________________________

    T. ____________________________________________

    U. ____________________________________________

    V. ____________________________________________ [ 4 marks ]

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    b) Classify animals R, S, T, U and V into groups based on their common characteristics.

    Name the animal belonging to each group.

    [4 marks ]

    Common

    characteristics

    Name of

    animals

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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 makingone 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:

    __________________________________________________________

    [3 marks]

    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]

    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.

    _________________________________________________