Pmr Sci Bs Trial 13 1

8/9/2019 Pmr Sci Bs Trial 13 1

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Portal Pendidikan Utusan 2007 Hak Cipta TerpeliharaUtusan Melayu (M) Berhad, Kuala Lumpur

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PENDIDIKAN UTUSAN TRIAL EXAM PMR 2007SCIENCE

Paper 1 (SET 1)Time: One Hour

Instruction: Answer all questions. Each question is followed by four choices

of answer. Choose the best answer for every question.

1. Which of the following is not a natural phenomena?

A Thinning of the ozone layerB Formation of rainbowC Lightning and thunderD Drinking straw in a glass of water appears bent

2. The diagram in Figure 1 shows the change of water level in a measuringcylinder after 30 marbles are put into it. All the marbles are of the samesize. What is the volume of 1 marble?

Figure 1A 075 ml B 100 ml C 133 ml D 150 ml

3. The diagram in Figure 2 shows a microscope.

Figure 2

What is the function of the part labelled X?


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A To control the amount of light.B To place a specimen for observation.C To reflect light from the light source.D To change the position of the objective lens.

4. Excretory organs are important in order to avoid the accumulation of harmful

waste products and to maintain a constant environment within our body.Which of the following are the functions of excretory organs?

I To remove excretory products such as water, mineral salts andurea in the form of sweat.

II To remove the excretory products such as water, mineral salts andurea in the form of urine.

III To remove excretory products such as water and carbon monoxidein the form of expired air.

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

5. Which of the following pairs are conductors of electricity?

A Copper and carbonB Carbon and sulphurC Carbon and phosphorusD Sulphur and phosphorus

6. Which of the following is not an air pollutant?

A ArgonB Carbon monoxideC Sulphur dioxideD Lead compounds

7. The diagram in Figure 3 shows the exchange of the gases in air.

Figure 3

What is process P and Q?


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P QA Transpiration CombustionB Photosynthesis RespirationC Photosynthesis TranspirationD Respiration Photosynthesis

8 The diagram in Figure 4 shows a toy car.What are the main energies involved in the winding of the spring in thetoy car?

Figure 4

A Potential Electrical KineticB Potential Kinetic SoundC Kinetic Potential KineticD Kinetic Heat Potential

9. Which of the following statements is correct ?

A Solids contract when cooled.B The S.I. unit for heat is degree Celsius.C Heat can only flow through solids and liquids.D Energy is the ability to do work and is measured in Newton.

10. The diagram in Figure 5 shows a cross section of a thermos flask

Figure 5

Why is the glass wall of the thermos flask coated with silver?

A. To reduce heat loss by radiation.B. To reduce heat lost by reflection.C. To reduce heat lost by conduction.D. To reduce heat lost by convection.


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11. The diagram in Figure 6 shows a light ray from air entering a water container.Which of the following directions will the light ray refract?

Figure 6

12. The diagram in Figure 7 shows the set-up of an experiment to study theresponse of the seedlings to stimuli.

Figure 7

What can you observe at the end of the experiment?

I The moist sawdust remains moist as usual.II The roots of the seedlings continue to grow.III The roots of the seedlings grow upwards to the moist sawdust.

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


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15. The diagram in Figure 10 shows the classification of vertebrate.

Figure 10

Which of the following represents P, Q and R ?

P Q RA Lizard Frog Hen

B Owl Toad Bat

C Frog Sea horse Elephant

D Goldfish Snake Eagle

16. The diagram in Figure 11 shows a type of plant.

Figure 11

Which of the following are the characteristics of this plant?

I The leaf has net veins.II The stem is hard and woody.III The seed has one cotyledon.IV It has a tap root system.

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

Vertebrates

P RMammalsQ Frog


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17. Which of the following interactions between living organisms is not true?

Organism InteractionA Sea anemone and hermit crab MutualismB Aphid and chili plant CompetitionC Tape worm and human ParasitismD Owl and rat Prey and predator

18. The equation shows the process of respiration.

Glucose + oxygen carbon dioxide + water + X

What is X?

A Energy is released.B Starch is formed.C Food is built up.D Fatty acids is formed.

19. Which of the following is not one of the factors affecting the rate ofevaporation of water?

A The surrounding temperatureB Exposed surface areaC The impuritiesD Wind

20. The diagram in Figure 12 shows a neutralisation process. At the end point asolution is formed.

Figure 12

Which of the following is the characteristic of the solution ?

A It is corrosive.B It has a pH value of more than 7.C The solution formed is sodium chloride.D It will form an emulsion after a long period.


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21. The diagram in Figure 13 shows a tin can being filled with hot water.

Figure 13

What causes the tin can to crush after the lid is closed and poured withcold water?

A The increase in volume of the hot water.B The high air pressure exerted by the air left in the bottle.C The air pressure in the bottle is lower than the air pressure outside.D The air temperature inside the bottle is the same as the temperature

outside.

22. The diagram in Figure 14 shows an insecticide spray that has a small holeat J , K and L .

Figure 14

Which of the following holes will prevent the insecticide spray fromfunctioning normally?

A J, K and LB J and K onlyC J and L onlyD K and L only


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23. The diagram in Figure 15 shows a wooden block which is placed on aninclined plane. Which of the following is the direction of the motion force?

Figure 15

24. The diagram in Figure 16 shows a man lifting a box.

Figure 16

If the amount of work done is 345 joules, what is the value of Y?

A 105 N B 115 NC 150 N D 155 N

25. The diagram in Figure 17 shows four rods with different materials andstructures. Which of the rods is the strongest?

Figure 17


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26. The diagram in Figure 18 shows the support system in animals.

Figure 18

Which of the following represents X , Y and Z ?

X Y Z

A Buoyancy of water Hydrostatic pressure EndoskeletonB Hydrostatic pressure Endoskeleton Water turgidityC Endoskeleton Buoyancy of water Hydrostatic

pressureD Hydrostatic pressure Water turgidity Buoyancy of

water

27. The information below shows three types of plants.

Which of the following is the support structure for these plants?

A Twinning stemB RunnersC Air sacs

D Thorns

28. Which of the following factors affect the stability of an object?

I Position of the centre of gravityII Weight of the objectIII The length of the object

Morning glory plant Long bean plant Cucumber plant

Support System In Animals

Vertebrates Invertebrates

Z ExoskeletonLand vertebrates Aquaticvertebrates

X Y


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29. The diagram in Figure 19 shows the use of a bottle opener.

Figure 19

Which of the following statements are correct about the bottle opener?

I It is a first class lever.II The load is between the fulcrum and the effort.III A bottle opener belongs to the same class as the nutcracker.


30. The diagram in Figure 20 shows a lever system.

Figure 20

Which of the following actions will make P and Q in equilibrium?

A Increase load P and move F towards QB Decrease load Q and move F toward PC Move F towards QD Move F towards P


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31. Which of the following statements is true about the blood artery?

A Arteries do not have valves.B Arteries have wide lumens.C All arteries transport deoxygenated blood except the pulmonary artery.D The artery that transports blood to the right atrium of the heart is the aorta.

32. The information below shows the stages of physical changes in seedgermination.

Which of the following sequences of the stage is correct ?

A V T S U B V T U S C V U T S D V U S T

33. The diagram in Figure 21 shows a set-up of an experiment to study thetransportation of water in plants.

Figure 21

Which of the following is true about the experiment?

A The fixed variable is the presence of phloem.B The manipulated variable is the presence of sunlight.C The responding variable is the presence of leaves in the stem.D The hypothesis is plants have tissues which enable water to be

transported from the roots to the leaves.

S - Plumule grows out of the cotyledonT - Radicle grows downwardsU - Testa of the seed splitV - Water is absorbed through the micropyle


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34. Which of the following happens during exhalation?

A The diaphragm contracts.B The rib cage moves upwards and outwards.C The external intercostal muscles contract.D The volume of the thoracic cavity decreases.

35. The diagram in Figure 22 shows a human sex cell.

Figure 22

What is the function of X?

A Provides food for the sex cell.B Produces female sex hormones during puberty.C Contains genetic material inherited from the mother.D Provides energy that enable the sex cell to move actively.

36. The diagram in Figure 23 shows a growth curve of the four stages in humanlife.

Figure 23

Which of the following statements are true about stage R?

I This is a period when rapid growth in height occurs.II During puberty, secondary sexual characteristics develop.III During puberty, boys overtake girls of the same age in height and

weight.

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


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37. The diagram in Figure 24 shows a chart for the formation of quicklime, slaked

lime and lime water.

Figure 24

Which of the following processes is stated correctly ?

T U V

A Heating Adding a few drops of water Adding more waterB Adding morewater

Adding a few drops of water Heating

C Heating Adding more water Adding a few dropsof water

D Adding a fewdrops of water

Heating Adding more water

38. The diagram in Figure 25 shows a parallel circuit.

Figure 25

What is the reading of the ammeter if the value of each resistance is 3 ohms?

A 05 AB 25 AC 30 AD 45 A


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39. The diagram in Figure 26 shows the directions of electric current that flows

in a straight wire.

Figure 26

Which of the following is the direction of the magnetic field?

A Clockwise

B Anti clockwiseC Same direction of electric currentD Against the direction of electric current

40. The diagram in Figure 27 shows four stars with different colours.Which of the following stars has the lowest temperature?

Figure 27


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Portal Pendidikan Utusan 2007 Hak Cipta TerpeliharaUtusan Melayu (M) Berhad, Kuala Lumpur16

Answers

1. A2. C3. C4. A

5. A6. A7. B8. B9. A10. A11. B12. C13. D14. C15. D16. D17. B18. A19. C20. A

21. C22. D23. B24. C

25. B26. D27. A28. A29. C30. C31. A32. C33. D34. D35. C36. A37. A38. C39. A40. C

Pmr Sci Bs Trial 13 1

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