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LEMBAGA PEPERIKSAAN DALAMAN

SEKOLAH MENENGAH KEBANGSAAN PANGKOR

PEPERIKSAAN AKHIR TAHUN 2005

SAINS

Kertas 1

Satu jam

TINGKATAN 1

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1 Kertas soalan ini mengandungi 40 soalan. This question paper consist of 40 question .

2 Jawap semua soalan.Answer all question.

3 Rajah yang mengiringi soalan dimaksudkan untuk memberi maklumat yang berguna bagi menjawap soalan. Rajah tidak semestinya dilukiskan mengikut skala.The diagrams in the question is to provide useful information in answering the question. The diagrams in the questions provided are not drawn to scale unless stated.

4 Tiap-tiap soalan diikuti oleh empat pilihan jawapan yang berhuruf A, B, C dan D. Bagi tiap-tiap soalan pilih satu jawapan sahaja. Jawap dengan menghitamkan ruangan yangbetul pada kertas jawapan.Every question is followed by four option answers labeled as A, B, C, and D. Choose the most suitable answer. Answer each question by blackening the correct space on the answer sheet.

5 Sekiranya anda hendak menukar sesuatu jawapan, padamkan sehingga bersih tanda yang tidak dikehendaki itu dan hitamkan pilihan anda yang baru.If you wish to change your answer, erase the blackened mark that you have made. Then blacken the space for the new answer

Disediakan oleh, Disahkan oleh, Tandatangan Ibu/Bapa/ Penjaga

(Pn. Nor Azlon Binti Mohammad ) (Pn. Zainatul Israh Shafia ) Ketua Panitia Sains

Kertas soalan ini mengandungi 12 halaman bercetak.

55/1[ Lihat sebelah

Sains Kertas 1Mei 20041 jam

1. Science is the study ofA. Nature and how it affects us and our

environmentB. Human relationshipC. Industrial developments and its effect on

the countryD. Non-living things and their uses to man

Table 12. P, Q, R, and S in Table 1 are steps in the

science process. Which sequence is true ?A. S, Q, P, R C. S, Q, R, PB. Q, S, P, R D. Q. S, R, P

3. The level of water in an upright burette changes from 43.0 cm to 40.0 cm when 20 drops of water were taken out from the burette. What is the volume of each drop of water ?A. 0.15 C. 2.00B. 0.50 D. 2.15

4. The apparatus used to measure exactly 25 cm of hydrochloric acid isA. Beaker C. measuring cylinderB. Burette D. pipette

5. A pendulum makes 20 complete swings in 30 seconds. Its period of swing isA. 1.0 seconds C. 2.5 secondsB. 1.5 seconds D. 3.0 seconds

A D

B CDiagram 1

6. Diagram 1 shows structure in a plant cell. Which of the structure labeled A, B, C, and D, where photosynthesis takes place ?

7. The similarity between cheek cell and an onion cell is that both cell haveA. Vacuoles C. Cell wallsB. Chloroplasts D. cell membranes

8. Which cell structure below will only appear in a plant cells?A. Nucleus C. CytoplasmB. Cell wall D. Cell membranes

9. The human cells that provide immunity to infections are theI white blood cellsII red blood cellsIII nerve cellsA. I, II C. II, IIIB. I, II, III D. I only

Diagram 210. Diagram 2 shows the structure of a cell.

Which organism/s has/ have cells similar to Diagram 2 ?I WormII FungiIII AlgaeA. I, II C. II, IIIB. I, II, III D. I only

Diagram 311. Diagram 3 shows the stages of human cell

organization. Which of the following are examples of stage P ?A. Stomach, platelets, eye, heartB. Kidneys, ovum, lungs, brainsC. Liver, ears, sperm, pancreasD. Spinal cord, uterus, skin, nose

12. A cell that contained smoke is observed under a microscope. Smoke particles are seen moving at random. These movements are the result ofA. The chemical reaction between smoke

particles and air particles.B. The attraction and repulsion forces

between smoke particles and air particles.C. Smoke particles colliding with air

particles.D. The high surrounding temperature

P - Drawing a conclusionQ - Making a hypothesisR - Testing the hypothesis

through experimentationS - Identifying the problem

Cell membraneNucleus

Cytoplasm

Cell Tissue P System

Physical state of matter

Properties of matter

X Y Z

The kinetic energy if particles

Average Very low Very high

The space between particles

Small Very small Big

The attraction force between particles

Weak Very strong Very weak

Table 213. Table 2 shows some properties of matter X,

Y, and Z. Which of the following is true for X, Y, and Z ?

X Y ZA. Solid Liquid GasB. Solid Gas LiquidC. Liquid Solid GasD. Liquid Gas Solid

water

Copper (II) sulphatecrystals

Diagram 414. Copper (II) sulphate crystal are placed at the

base of a test tube. Then the test tube is filled with water as shown in Diagram 4. finally the test tube is left for a week. Which of the following is the result after 1 week?A. C.

B. D.

15. Why does ice float on the lake surface in the freezing process?A. Ice is less dense than waterB. The volume of ice decrease when freezes

into iceC. Water changes its form from liquid to

solidD. The distance between the water molecules

in ice is less than in water

16. Gases can be compressed easily than liquids becauseI. the spaces between the molecules are

biggerII. the particles of the gas molecules move

fasterIII. the force of attraction between particles

are weaker in a gasA. I only C. II and IIIB. I and II D. I, II and III

17. In an experiment, ten mice are put in a closed glass container and left for 30 minutes. How will the composition of air change inside the glass container?

Oxygen Carbon DioxideWater VapourA. Increase Decrease IncreaseB. Increase Decrease DecreaseC. Decrease Increase DecreaseD. Decrease Increase Decrease

Tube X

Pipe Y Pipe Z

Flask P Flask QLime water

Diagram 518. Diagram 5 shows an experiment to test

respiration.What is observed when air is inhaled and exhaled for a few minutes?A. Lime water will gush out from pipe Y.B. Lime water in flask P takes a longer time

to become cloudy as compared to the lime water in flask Q.

C. The level of lime water level in flask P is higher than the level of lime water in flask Q.

D. There are more gas bubbles in flask P than in flask Q

19. Natural process that maintain the oxygen and carbon dioxide content in the atmosphere areA. Respiration and transpirationB. Respiration and photosynthesisC. Photosynthesis and transpirationD. Transpiration and decomposition

20. The carbon dioxide level in the atmosphere has increased. This has caused the temperature of the Earth to increase too. This increase in temperature is calledA. A natural disasterB. Air pollutionC. The greenhouse effectD. The thinning of the ozone layer

21. Which of the following pairs are not true about pollutants and their effects?

Pollutants Effect

A.

B.

C.

D.

Chlorofluorocarbon

Lead

Carbon monoxide

Smoke

Reduces the filtration of ultraviolet rays Damages the nervous systemSlows the growth of plantsCauses breathing problems

22. Which of these comparisons between combustion and respiration is true?

Combustion Respiration

A. B.C.

D.

Uses oxygenProduces energyTakes place outside living cellsTakes place in the dark

Produces oxygenAbsorbs energyTakes place inside living cells

Takes place in the dark as well as in bright conditions

23. All the resources below are needed to sustain the life of green plants exceptA. Soil C. Fossil fuel B. Air D. Water

24. Which of the following is an element?A. Water C. Carbon dioxideB. Oxygen D. Soil

25. Metallic elements are very useful in our daily life. Which of the following is not true about metals and their uses?

Metal Used for making

A. B.C. D.

Copper MercuryGold Aluminium

Electrical wiresThermometer Jewellery knives

26. Which group consists of only non-metals?A. Phosphorus, sulphur, calciumB. Iodine, zinc, hydrogenC. Oxygen, chlorine, carbonD. Copper, gold, iron

27. A compound consists of two or moreA. Atoms chemically combined togetherB. Molecules chemically combined togetherC. Elements chemically combined togetherD. Elements physically combined together

28. If Man does not preserve and conserve soil, which one of the following will not happen?A. Soil pollutionB. Soil erosionC. Quality of soil decreasesD. Plants cannot absorb water

29. What are the main energy changes that take place when a person strums a guitar?A. Kinetic energy →potential energy→

chemical energy → sound energyB. Kinetic energy → chemical energy →

potential energy → sound energyC. Potential energy → kinetic energy →

chemical energy → sound energyD. Chemical energy → potential energy →

kinetic energy → sound energy

30. Which of the following pairs correctly shows the energy type that is produced?

Energy type Situation

A.

B.

C.

D.

Kinetic energy

Potential energy

Electrical energy

Chemical energy

A rubber band being stretchedA marble rolling on the floorEnergy stored in a batteryEnergy stored in crude oil

Marble

P Q S

R

Diagram 631. Diagram 6 shows a marble that is allowed to

roll on a track thorough the points P, Q, R, and S. At which point the marble has maximum kinetic energy?A. P C. RB. Q D. S

32. Which of the following is true about sound energy?I. Sound energy in the form of wavesII. Sound cannot travel through a vacuumIII. Sound is produced by bodied that vibrateA. I only C. II and IIIB. I and II D. I, II, and III

33. Biomass is not A. Heat energy from the core of the EarthB. Energy from the burning of rubbish and

the decomposition of plants and the faeces of animals

C. Energy that can be used to produce electricity

D. Energy that is renewable

34. Zakaria’s school is about 50 m away from his house. What should he do to conserve energy?A. Walk to schoolB. Ride a motorcycle to schoolC. Ask his father to drive him to schoolD. Take a bus to school

35. Which of the following does not involve convection?A. The boiling of water.B. The movement of air in the refrigerator.C. The movement of air in the chimney.D. The curving of heated bimetallic strip.

36. Solid X expands when heated because the particles in Solid XA. Vibrate vigorouslyB. Move at randomC. Increase in volumeD. Increase in size

metal ball

metal ringDiagram 7

37. In diagram 7, the metal ball will not slip through the metal ring after the ball is heated.Which of the following is true about the particles of the metal ball?A. The distance between the particles has

increasedB. The number of particles increasedC. The size of the particles increasedD. The shape of the particles changed

Metal X Metal Y

Metal Y Metal ZDiagram 8

38. Diagram 8 shows the results of heating for two types of bimetallic strips. Which of the following shows the effect of heating metal X, Y, and Z in ascending order?A. X, Y, Z C. Z, Y, XB. Y, Z, X D. Y, X, Z

39. When water evaporates, it changes to water vapour. Which of the following activities does not involve evaporation?A. Drying clothesB. Drying fish so that they will not rotC. Boiling a kettle of waterD. Obtaining salt from sea water

40. The method of heat transmission that needs a medium isI. RadiationII. ConductionIII. ConvectionA. I only C. II and IIIB. I and III D. I, II, III

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