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    Nama : _______________________________ Kelas : __________________

    SAINS

    Tingkatan 3

    Satu jam lima belas minit

    JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

    Kegunaan Pemeriksa

    Bahagian Soalan Markah

    Penuh

    Markah

    Diperoleh

    Objektif 1 30 60

    Subjekti

    f

    1 6

    2 8

    3 8

    4 8

    5 10

    Jumlah 100

    Prepared by, Verified by,

    . ..

    (LIM CHIAN CHIAN) (NORHAYANI ABU BAKAR)

    Subject Teacher. Ketua Panitia Sains.

    1

    SEKOLAH TINGGI KOTA KINABALU

    1. Tulis nama dan kelas anda

    pada ruangan yang disediakan.2. Kertas soalan ini mengandungi

    30 soalan objektif dan 5 soalansubjektif.

    3. Jawab semua soalan.Kembalikan keseluruhan kertassoalan rni sefepas ujian initamat

    UJIAN PERTENGAHAN PENGGAL 1,TAHUN 2011

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    Objektif Questions.

    1. The information given below shows the steps in a scientific investigation.

    The correct sequence of these steps isA Q, S, R, T, PB S, Q, R, T, PC Q, S, P, R, TD S, Q, T, P, R

    2. Figure 1 shows the time taken to complete one oscillation against the length of a pendulum.

    Time taken to completeOne oscillation(s)

    Length of pendulum (cm) Figure 1

    Based on the graph, what inference can you make?A The longer the length of the pendulum, the shorter the period of oscillation.B Time taken for one oscillation increases as the length of the pendulum increases.C The shorter the length of the pendulum, the longer the period of oscillation.D Time taken to complete one oscillation does not depend on the length of the pendulum.

    3. Figure 2shows four microorganisms.

    Figure 2

    Which of the following is correct?Animal Plant

    A K, L M, N

    B K, M L, N

    C L, M K, N

    D K, N L. M

    2

    P Making a conclusionQ Making a smart guessR Carrying out an investigationS Determining what I want to find outT Interpreting the data

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    4. The following are the parts of a system in the human body.

    The parts in the list are found in the A the skeletal system.B the nervous system.C the muscular system.D the excretory system.

    5. Table 1 shows the properties of three states of matters P, Q and R.State ofmatter

    The kinetic energy ofparticles

    The attractive forcesbetween the particles

    P Very low Very strong

    Q Very high Very weak

    R Average Weak

    Table 1

    What are the states of matter P, Q and R?

    P Q RA solid gas liquid

    B solid liquid gasC gas solid liquid

    D liquid gas solid

    6. An iron ball is dropped into four gas jars containing liquids O, P, Q and R as shown inFigure 3.

    Figure 3

    The density of liquids O, P, Q and R in a descending sequence isA P Q R OB O P R QC Q R P OD R P O Q

    7. The figures below show particles of substances P, Q and R.

    3

    Skull

    Backbone

    Pelvic girdle

    Pectorial irdle

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    Which of the following statements about the substances are correct?I P is a compound.II Q is an element.III R is a mixture.

    A I and II onlyB I and III onlyC II and III onlyD I, II and III

    8. Sensitive skin hasI. a thinner epidermisII. more receptorsIII. more fat under the dermis

    A I, II and IIIB I and II onlyC II and III onlyD I only

    9. State the name of the eye defect shown in Figure 4 below and the way to overcomethe defect.

    Figure 4

    Defect Way to overcome the defect

    A Astigmatism Cylindrical lens

    B Short sightedness Concave lensC Long sightedness Convex lens

    D Short sightedness Convex lens

    10. The correct sequence of the path taken by a sound wave is

    A. Cochlea ossicles ear drum auditory nerve

    B. ear drum cochlea ossicles auditory nerve

    C. ear drum ossicles cochlea auditory nerve

    D. ossicles ear drum auditory nerve cochlea

    11. Which of the following plants show nastic responses?I. Venus fly-trap

    II. SunflowerIII. Mimosa pudicaIV. Pitcher plant

    A I and IIIB I and IVC I, III and IVD I, II and III

    4

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    12..

    Which part of the plant is described in the notes above?A The shootsB The rootsC The tendrilsD The fruits

    . 13.

    Figure 5.

    Figure 5shows the human digestive system.Which of the following classes of food are digested in the organs M, N, and P?

    Organ M Organ N Organ P

    A Protein Carbohydrate Fat

    B Carbohydrate Protein Fat

    C Carbohydrate Fat Protein

    Fat Protein Carbohydrate

    . 14. Figure 6shows part of the carbon cycle.

    Figure 6.

    What are processes P and Q?

    P QA Respiration Decomposition

    B Decomposition Respiration

    C Respiration Photosynthesis

    5

    Shows positive phototropism

    Shows negative geotropism

    Plants

    Animals

    Carbon dioxide

    Q

    P

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    D Decomposition Photosynthesis

    .

    .

    Vitamin Disease or effect causedby deficiency

    A P

    C Q

    K R

    Table 215. Table 2above shows the vitamins and the diseases caused by deficiencies of these

    vitamins in the diet. Which diseases represented by P, Q and R?

    P Q R

    A Scurvy Night blindness night blindness

    B Beri-beri Scurvy weak nervous system

    C Rickets sterility beri-beri

    D Night blindness bleeding gum slow clotting of blood

    16. Figure 7shows an experiment conducted to study a physical characteristic of water.

    Figure 7After a few minutes, water at the top of the test tube boils, whereas the ice at thebottom does not melt. This shows that

    A ice is denser than water.

    B ice is a good conductor of heat.C water is a poor conductor of heat.D water is a good conductor of heat.

    17. Figure 8shows the set-up of apparatus in water electrolysis.

    Figure 8

    6

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    A B

    Which of the following is true about the experiment?A Gas Q relights a glowing splint.B Gas P causes limewater to turn milky.C The volume of gas P collected is twice of the volume of gas Q.D Gas Q gives a pop sound when tested with a lighted splint.

    18. Figure 9 shows an investigation on the evaporation of water.

    Figure 9After a while, the water in the glass dish B dried up more faster than the water in theglass dish A. What can we conclude from this observation?

    AEvaporation does not occur in dark places.BThe rate of evaporation reduces as the temperature gets higher.C The rate of evaporation is not affected by the temperature of the surrounding.D The rate of evaporation increases when the temperature of the surrounding

    gets higher.

    19. The figure shows the model of breathing mechanism

    Balloons deflate Balloons inflate

    What is the process shown by the figure?A InhalationB RespirationC ExhalationD Diffusion

    20. The figure shows a human respiratory system

    7

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    .Which physical change does not occur during exhalation?A Thoracic cavity become smallerB Rib cage move downwards and inwardsC Diaphragm moves upD Diaphragm moves down

    21. During gaseous exchange in the alveolus, the diffusion process involves.I the flow of oxygen from the blood capillaries into the alveolus

    II the flow of carbon dioxide from the alveolus into the blood capillariesIII the flow of oxygen from the alveolus into the blood capillariesIV the flow of carbon dioxide from the blood capillaries into the alveolus

    A I and IIB II and IIIC III and IVD I, II, III and IV.

    . 22. Figure below shows two types of blood vessels.

    Which of the following statements are true?I Kcarries blood away from the heart.II Blood flow in L is slow and under low pressure.III The blood inside all blood vessels of type K is bright red and contains high

    level of oxygen.IV Pulmonary vein contains blood with high level of oxygen.

    A I, II and III only

    B I, II and IV onlyC II, III and IV onlyD I, II, III and IV

    23. The heart pumps oxygenated blood from the lungs to the legs of a person. Which of thissequences is blood flow in the heart?

    A Right atrium right ventricle aortaB Left atrium left ventricle aorta

    8

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    C Left ventricle aorta left atriumD Right ventricle aorta right atrium

    24 Figure shows a longitudinal section of the human heart.

    What is represented by M and N?M N

    A Deoxygenated blood Deoxygenated bloodB Oxygenated blood Deoxygenated bloodC Deoxygenated blood Oxygenated bloodD Oxygenated blood Oxygenated blood

    25. Which of the following are functions of the kidney?

    I To regulate the chemical composition of body fluids.II To convert water, salts and electrolytes into urea.III To remove urea, mineral salts, toxins and other waste products from the blood.IV To remove glucose from the body fluid.

    A I and III only

    B I and IV only

    C III and IV onlyD II and III only

    26. Which of the following statements are true about the processes shown in theFigure below?

    I P produces gas oxygen which is used in R.

    II Q produces waste products that are similar to R.III Process S is carried on in green plants even at night timeIV S produces useful waste products like eucalyptus oil and pepper.

    A I, II and III only

    B I, III and IV onlyC II, III and IV onlyD I, II, III and IV

    9