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SEKTOR PENGURUSAN AKADEMIK

Program Peningkatan Prestasi Sains Menengah Rendah

SAINS

Kertas 1

Satu jam

JANGAN BUKA KERTAS SOALAN INI SEHINGGA 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 20 halaman bercetak

SULIT

1

SULIT

55/1

Sains

Kertas 1

2007

1 jam

NO. KAD PENGENALAN

ANGKA GILIRAN

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MAKLUMAT UNTUK CALON

1. Kertas soalan ini mengandungi 40 soalan

2. Jawab semua soalan

3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan

4. Hitamkan satu ruangan sahaja bagi setiap soalan

5. Sekiranya anda hendak menukarkan jawapan, padamkan tanda yang telahdibuat. Kemudian hitamkan jawapan yang baru

6. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan

7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak bolehdiprogramkan

2

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1.

2.

The table below shows the S.I. units of three physical quantities.

Physical quantity S. I. unit

TemperatureLengthElectric current

PQR

Which of the following represents P, Q and R?

P Q RA. Celcius centimetre voltB. kelvin metre AmpereC. kelvin metre VoltD. Celcius kilometre ampere

The diagram shows a microscope.

What is the function of the part labelled X?

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.

3

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3.

4.

5.

The diagram shows the blood circulatory system in a human body.

Which of the following are its functions?

I. To transport oxygen to all parts of the body.II. To dispose unwanted carbon dioxide from the body.III.To carry waste materials to the kidneys.

A. I and II onlyB. I and III onlyC. II and III only

D. I, II and III

The diagram shows the stages of human cell organization.

Which of the following are examples of stage P?

A. Stomach, kidneys, skin, nose

B. Stomach, ovum, lungs, brainC. Kidneys, sperm, uterus, skinD. Liver, ears, heart, platelets

Which of the following statements is correct?

A. Solids contract when heated.B. The SI unit for heat is degree Celsius.C. The Sun is the main source of heat energy.D. Heat can only flow through solids and liquids.

4

Cell Tissue P System

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6.

7.

8.

A, B, C and D in the diagram shows the positions of an image that may beformed in the eye.

A

Which position shows the image in a long-sighted person?

The diagram shows the classification of vertebrate.

Which of the following represents P, Q and R?

P Q R

A Lizard Frog Hen

B Owl Toad Bat

C Frog Sea horse Elephant

D Goldfish Snake Bat

The diagram shows a wooden block placed on an inclined plane. Which ofthe following is the direction of the frictional force?

5

MammalsQP

Vertebrates

R Fish

A C D

B

A

D

CB

Woodenblock

Inclined Plan

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9.

10.

The equation shows the process of photosynthesis.

sunlightCarbon dioxide + water glucose + oxygen

X

What is the function of X?

A. To absorb water.B. To absorb sunlight.C. To convert glucose into starch.D. To increase the rate of photosynthesis.

What is represented by points P, Q and R for the above lever system?

P Q R

A Force Fulcrum Load

B Fulcrum Load Force

C Load Force Fulcrum

D Load Fulcrum Force

6

p

Q

R

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11.

12.

In the figure above, animals and plants use oxygen for _________________and release carbon dioxide.

A. respiration.

B. extinction.C. protection.D. photosynthesis.

At which stage is the growth rate of a female faster than a male?

A. InfancyB. Old stageC. ChildhoodD. Adolescence

13.

14.

The diagram shows a chart for formation of quicklime, slaked lime and limewater.

Which of the following processes is stated correctly?

T U V

A Heating Adding a fewdrops of water

Adding more water

B Adding morewater

Adding a fewdrops of water

Heating

C Heating Adding more water Adding a few drops of water

D Adding a fewdrops of water

Heating Adding more water

The diagram shows the fractional distillation of petroleum.

7

CARBON DIOXIDE

RESPIRATION PHOTOSYNTHESIS

OXYGEN

T

Lime Water

Limestone Quicklime

Slaked lime

U

V

Kerosene

( W )

( X )

( V )

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V W X

A Fuel oil Bitumen Petrol

B Lubricating oil Diesel Naphta

C Paraffin Lubricating oil Naphta

D Fuel oil Diesel Petrol

15.

16.

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

A B C D

The diagram shows the arrangement of particles in matter P, Q and R at

8

Blue White YellowRed

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17.

room temperature.

P Q R

Which of the following substances are represented by P, Q and R?

P Q R

A Oil Water HydrogenB Copper Alcohol Water vapour C Salt Mercury IceD Hydrogen Kerosene Cork

The information above refers to

A. carbonB. oxygen.C. aluminium.D. magnesium.

18. The figure shows an experiment.

9

Made up of the same type of atoms

Exist in the form of as

Round bottom flask

Water

Heat

Steam Polysterine Wheel

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19.

What is the energy change involved in the turning of the polystyrene wheel?

A. Chemical energy heat energy potential energyB. Chemical energy heat energy kinetic energyC. Chemical energy kinetic energy steam energyD. Heat energy kinetic energy sound energy

The diagram shows a light ray enters a glass block.Which of the following directions will the light ray refract?

20. The diagram shows a food web.

Which of the following animal is represented by X?

10

Glass block

A CB D

Green plant

SnailGrasshopperLizard

Snake Small birdFrog

X

Light ray

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21.

A. GoatB. HawkC. HorseD. Crocodile

The diagram shows a set up of apparatus to study the effect of humidity onthe rate of evaporation.

The cobalt chloride paper changes its colour if substance W is

A. water.B. silica gel.C. sodium chloride solidD. sodium hydroxide crystals.

22. The diagram shows a plastic bottle filled with hot water.

What causes the bottle to crumple after the lid is closed?

11

Cobalt chloride paperwith a drop of W

Substance

W

Air

Bell Jar

Hot water

Plastic bottle

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23.

A. The volume of the hot water increases.B. The air left in the bottle exerts a high air pressure.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.

V, W, X and Y in the diagram show the stages in a menstrual cycle.

Which of the following is the correct sequence?

A V Y W XB W V Y X

C Y W V XD X W V Y

24. The diagram shows the action of heat on substances P. The gas producedturns lime water cloudy.

What is substance P?

A. Copper oxideB. Calcium silicate.

12

Lime water

Substance P

V W

X Y

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25.

C. Calcium sulphate.D. Calcium carbonate.

The diagram shows the direction of an electric current that flows in a straightwire.

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

A. ClockwiseB. Anti clockwiseC. Same direction of electric currentD. Against the direction of electric current.

26.

27.

Which of the following is a treatment for a person with kidney failure?

A. Drink less water.B. Take more salty food.C. Go for dialysis treatment.

D. Remove the damaged kidneys.

1 cm

What is the estimated area of the leaf in figure above?

A. 23 cm

13

1 cm

Magnetic field

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B. 24 cmC. 25 cmD. 26 cm

The diagram (a) shows the change of water level in a measuring cylinderafter 10 marbles are put into it.

(a) (b)

If 5 marbles are put into the measuring cylinder as shown in diagram (b),what is the new reading of water level?

A. 75 mlB. 90 mlC. 110 mlD. 120 ml

29. A student was given a mixture of sugar, sand and iron fillings. P, Q, R and Sare steps involved in separating the mixture into its components.

P - Bringing a magnet close to the mixture.

Q - Evaporating the filtrate.

R - Dissolving the mixture in water

S - Filtering the mixture

Which of the following shows the correct sequence of steps in theseparation?

A P R S QB P S Q RC P R Q SD R Q S P

14

100 ml

Water

140 ml

70 ml

10 marbles

Water

5 marbles

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30.

The diagram shows two test tubes, X and Y, containing carbon dioxide andoxygen respectively. The test tubes are inverted into sodium hydroxidesolution.

Which of the following is true about the level of sodium hydroxide solution intest tube X and Y?

X YA Increases IncreasesB Increases No changeC No change No changeD No change Increases

31. The diagram shows the area of taste in a human tongue.

4

1 1

2 2

3

Which areas are most sensitive to honey, vinegar and black coffee?

Honey Vinegar Black coffeeA 4 2 1B 3 2 4C 3 1 4D 4 3 2

15

Carbon

dioxide

Sodium hydroxide solution

Oxigen

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Fresh juice cartoon The wall of the cartoon cave in

32.

The diagram shows an insecticide spray that has three holes at J, K and L.

LJ K

Which of the following holes prevent the insecticide spray from functioningnormally?

A. J, K and L

B. J and K onlyC. J and L onlyD. K and L only

33.

34.

The diagram shows the condition of a fruit juice carton when a boy continuesto suck the straw after he has finished the drink.

Which of the following causes the walls of the carton to cave in?

A. The air pressure in the carton has increased.B. The number of air particles in the carton has increased.C. The air pressure in the carton is lower than the atmospheric pressure.D. The air pressure in the carton is higher than the atmospheric pressure.

When a giraffe stands with its legs wide apart, it can

FruitJuice

FruitJuice

FruitJuice

16

Straw

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35

I. reduce its stability.II. increase its base area.III. lower its centre of gravity.

A. I and II only

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

The diagram shows a 650 N load is pushed as far as 1.5 m.

650 N

1.5 m

The work done is

A. 500 JB. 975 JC. 700 JD. 1 000 J

36.

37

Which of the following shows a balanced lever?

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

The diagram shows two pots P and Q, placed on a board supported by twobricks X and Y.

17

200 N 100 N

50 cm25 cm

200 N

200 N 100 N

200 N 100 N

10 cm 40 cm

50 cm 50 cm

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The pots P and Q will be more stable if

I. pot P is placed so that it is directly above brick X.

II. the board is moved so that pot Q is directly above brick Y.III. brick X is moved so that is closer to brick Y.

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

38.

When the rubber sheet in diagram above is pushed upwards the balloonscollapsed. What causes the balloon to collapse?

A. The density of the air in the bell jar has increased.B. The air pressure in the bell jar has increased.

C. The volume of air in the bell jar has increased.D. The balloons leak and cannot expand.

18

Brick X Brick Y

Pot P Pot Q

Board

Glass tube

Bell jar

Balloons

Rubber

sheet

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39.

40.

The diagram shows an activity to study the formation of quicklime and slakedlime.

Choose the correct word equation to represent the activity.

A Calcium carbonate Calcium oxide + Carbon dioxide

B Calcium oxide Calcium oxide + Hydrogen

C Calcium carbonate Calcium hydroxide + Carbon dioxide

D Calcium oxide + water Calcium hydroxide

The diagram shows a parallel circuit.

What is the reading of the ammeter if the value of each resistance is 2 ohms?

A. 0.5 AB. 2.0 AC. 4.5 AD. 9.0 A

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