Exam Questions Pp2 Science

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    SEKOLAH MENENGAH KEBANGSAAN BANDAR BINTULU

    SECOND TERM EXAMINATION 2009

    SCIENCE FORM 2

    TIME: 1 HOUR

    PREPARED BY: CIK SHUHARA BT AB KADIR

    NAME: _________________________ CLASS: _____________

    Instructions: this question paper consists of 40 questions. Each questions followed by four possible answers. Choose the correct

    answer or the one that is the best.

    1. Which of the following are the properties of matter?I It has mass

    II It occupies spaceIII It has a fixed volumeA I and II onlyB I and III onlyC II and III onlyD I,II and III

    2. Diagram 1 shows the movement of smoke particles.

    Diagram 1

    I Smoke is made up of particles.II The particles of smoke move at random.

    III This movement is called Brownianmovement.

    A I and II only

    B I and III only

    C II and III only

    D I, II and III

    3. Diagram 2 shows the arrangement of particles in thethree state of matter represented by P, Q and R.

    Diagram 2

    Which of the following shows correct examples of

    matter in the states represented by P, Q and R?

    P Q R

    A Water Nitrogen CoinB Oxygen Spoon JuiceC Copper Oxygen WaterD Nitrogen Limewater Gold

    4. The following is an observations regarding diffusion.

    Which of the following explain the observation

    above?

    I Liquid particles move faster than solidparticles.

    II Liquid particles have more energy than solidparticles.

    III The spaces between particles are bigger in aliquid than in a solid.

    A I and II only

    B I and III only

    C II and III only

    D I, II and III

    5. The hot air balloon is able to rise in the sky becauseA the balloon is denser than the air.B the balloon is made up of dense material.C the hot air is less dense than the cold air.D the hot air is denser than the cold air.

    6. Why is air necessary for humans?A It supplies energy.B It supplies oxygen.C It supplies water.D It supplies minerals.

    7. Which of the following is true about aluminium,mercury and iron at room temperature?

    A DuctileB MalleableC In solid sateD Allow heat to flow through

    8. The information below is the procedures used toseparate a mixture of salt crystals and sago grains.

    T - Filter

    U - Evaporate

    V - Dissolve in water

    Which of the following sequences shows the correct

    separation procedures?

    A V, T, U C T, V, UB U, T, V D V, U, T

    Diffusion occurs faster in a liquid

    than in a solid.

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    9. Which of the following is a list of all non-metals?A Aluminium, carbon, copperB Carbon, silicon, bromineC Nitrogen, chlorine, magnesiumD Mercury, chlorine, hydrogen

    10. Elements found in water areI Hydrogen

    II NitrogenIII OxygenA I and II only

    B I and III only

    C II and III only

    D I, II and III

    11. The list below shows the properties of a gas in air.

    What gas is it?

    A ArgonB OxygenC NitrogenD Carbon dioxide

    Questions 12 and 13 are based on Diagram 3.

    Diagram 3

    12. What happens after a few hours?A The red ink moves towards the boiling tube.B The red ink moves away from the boiling tube.C The volume of air in the boiling tube increase.D There is no change in the position of the red

    ink.

    13. What is the conclusion of the experiment?A Living things give out carbon dioxide during

    respiration.

    B Living things give out water vapour duringrespiration.

    C Living things give out heat during respiration.D Living things use oxygen during respiration.

    14. Which of the following comparisons is correct?

    Respiration Combustion

    A Uses oxygen Produces oxygen

    B Does not produce

    energy

    Produces energy

    C Needs sunlight Needs oxygen cells

    of living things

    D Occurs in the cells

    of living things

    Occurs outside the

    cells of living things

    15. The main cause of global warming isA the increase in the amount of air pollutants.B the increase in the use of chlorofluorocarbons.C the increase in the amount of carbon dioxide in

    the atmosphere.

    D the increase in the use of greenhouses inagriculture.

    16. Which of the following parts of the eye help in therefraction of light?

    I Vitreous humourII

    PupilIII LensA I and II only

    B I and III only

    C II and III only

    D I, II and III

    17. Which of the following causes changes to the size ofpupil?

    A The intensity of lightB The sizes of the objectsC The colours of the objectsD The distances of the objects

    18. Which of the following statement is false?A Our ears cannot detect all types of sounds.B Our ears can detect sound with frequencies

    20 Hz to 2 000 Hz.

    C Certain animals like bats and dolphins areable to detect ultrasonic sound.

    D Old people need to use hearing aidsbecause their ear drums are less elastic.

    19. The table shows the observations of food tests onfood X.

    Food test ResultIodine test Brown

    Benedicts test Brick-red precipitate

    Millions test Red precipitate

    Food X contains

    I StarchII Glucose

    III ProteinsA I and II only C II and III only

    B I and III only D I, II and III

    Support combustion Colourless and odourless Slightly soluble in water Has no effect on moist blue litmus

    paper

    Relights a glowing splinter

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    20. The following information describes one class offood.

    It is found vegetables, fruits, and grains It is not digestible.

    The deficiency of this class of food will cause

    A the blood unable to clotB stunted growthC

    bleeding gumD constipation21. The following information shows the lunch taken by

    Mazlan on a certain day.

    1 bowl of rice 1 piece of fried chicken 1 piece of fried egg 1 cup of syrup drink

    The diet is not balanced because it is short of

    A carbohydratesB proteinsC fibreD fats

    22. The diagram shows a boy who is suffering fromgoiter.

    Which of the following is the cause of the disease?

    A Too much carbohydrate in the dietB Lack of iodine in the dietC Too much fat in the dietD Lack of iron in the diet

    23. The information shows the characteristics of ananimal.

    Body covered with scales Breathes through lungs Cold-blooded Internal fertilization

    Which of the following classes of animals possesses

    the above characteristics?

    A BirdB ReptileC MammalD Amphibian

    24. Which of the following plants does not reproduce byspores?

    A YeastB GrassC LiverwortsD Mushroom

    25. The following plants have chlorophyll exceptA fernB algaeC fungiD moss

    26. Which of the following groups of animals consists ofvertebrates only?

    A Toad, chicken, fishB Prawn, crab, spiderC Cockroach, lizard, turtleD Sea horse, duck, housefly

    27. The equation shows an important process whichtakes place in plants.

    Energy

    Carbon + Water Glucose + Oxygen

    Dioxide Chlorophyll

    What is the energy change in the process?

    A light energy potential energy

    B chemical energy light energy

    C light energy chemical energy

    D potential energy chemical energy

    28. Muthu planted the orchids and the roses in hisgarden. The interaction between the two types of

    plants is

    A mutualismB competitionC prey-predatorD commensalism

    29. The diagram shows a food chain in a paddy field.Paddy Grasshopper Rat Snake

    The various types of organisms which live in this

    paddy field form a/an

    A speciesB populationC communityD ecosystem

    30. The role of fungi and bacteria in the ecosystem isA breaking down the dead organismsB increasing the composition of oxygenC maintaining the pH value of the atmosphereD decreasing the composition of carbon dioxide

    31. The tapeworm live in our intestine so that theyA can make vitamin K.B can clean our intestines.C can provide nutrients to us.D can absorb nutrients from us.

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    32. The diagram shows one steps in an experiment totest for the presence of starch.

    What is the purpose of this step?

    A To soften the leafB To decolourise the leafC To kill the cells of the leafD To remove the starch in the leaf

    33. The diagram shows a food chain in a certain habitat.Producer primary secondary tertiary

    consumer consumer consumer

    Which of the following pyramid of numbers is not

    suitable?

    34. The following information shows the various stagesof water purification in a water processing plant.

    Which of the following is correct sequence of water

    purification?

    A P, R, Q, S C R, Q, P, SB Q, P, R, S D S, P, Q, R

    35. The experiment shows the electrolysis of water.

    At the end of the experiment, 20 cm3

    of the gas is

    collected in the test tube Y. What is the volume of

    the gas in the test tube X.

    Volume / cm3 Test

    A 10 Limewater

    B 10 Glowing splinter

    C 40 Limewater

    D 40 Glowing splinter

    36. Which of the following statements about tartaricacid in the solid form is true?

    A It turns moist blue litmus paper to red.B It releases hydrogen when it is mixed with

    zinc powder.

    C It dissolves in water and its solution has a pHvalue of 9.

    D It releases carbon dioxide when it is mixedwith calcium carbonate powder.

    37. The experiment shows neutralization.

    Which of the following statement about the above

    experiment is false?

    A Water is produced.B Hydrogen is released.C Sodium chloride is produced.D The final solution has a pH value of 7.

    38. Which of the following is not a characteristic ofoxygen?

    A OdourlessB ColourlessC Supports combustionD Turns limewater cloudy

    39. Distilled water is not suitable for drinking becauseA It is very expensiveB It does not contain mineralsC It contains dissolved impuritiesD It contains too much chlorine

    40. Which of the following activities will break up thecompound into its respective elements?

    A Electrolysis of waterB Zinc powder is heatedC Hydrogen is burnt in the airD Common salt is dissolved in water

    PFiltration

    QSedimentation

    RCoagulation

    SChlorination