SULIT 55/1 © 2006 Hak Cipta Sektor SBP

55/1

SEKTOR SEKOLAH BERASRAMA PENUH KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN PERCUBAAN PMR 2006

SAINS

Kertas 1

Satu jam

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Tuliskan nombor kad pengenalan dan angka giliran anda pada ruang yang disediakan .

2. Kertas soalan ini adalah dalam Bahasa Inggeris .

3. Calon dikehendaki membaca maklumat di halaman 2.

Kertas soalan ini mengandungi 21 halaman bercetak

SULIT

55/1

Sains

Kertas 1

Ogos

2006

1 jam

NO. KAD PENGENALAN

ANGKA GILIRAN

2

SULIT 55/1

SULIT 55/1

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 telah dibuat.

Kemudian hitamkan jawapan yang baru

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

7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan

3

SULIT 55/1

SULIT 55/1

1. Which of the following hazard symbols is used for concentrated ammonia?

2. The diagram shows organisms that live in water. X and Z have chloroplasts but W and

Y do not have chloroplast.

Which of the following statements is correct?

A X, Y and Z can move but W cannot.

B W has a cell membrane but X, Y and Z do not.

C W and Z are unicellular but X and Y are multi cellular.

D X and Z can make their own food but W and Y cannot.

A

B

C

D

W X Y Z

4

SULIT 55/1

SULIT 55/1

3. Which of the following organs A,B,C or D is a part of the respiratory system?

A

C

B

D

4. The diagram shows liquid R and S do not mix. Solid X and Y float at different level as

shown in the diagram.

Which one of the following statements is false?

A Liquid S is more dense than solid Y.

B Solid X is more dense that liquid S.

C Liquid R is less dense than liquid S.

D Solid X is less dense than solid Y.

R

S

5

SULIT 55/1

SULIT 55/1

5. In the diagram, both balloons are balanced. When one balloon in diagram (a) bursts,

the result is shown in diagram (b).

What is the inference that can be made from this result ?

A Air has mass.

B Air occupies space.

C Balloons can be filled with air.

D Air can diffuse through the walls of a balloon.

6. The diagram shows the set up of an experiment.

Which one of the following does not happen as tap water flows into the flat-bottomed

flask?

A The balloon inflates slowly.

B The air is displaced by water.

C The water fills up the rubber balloon.

D The air occupies the space in the balloon.

(a) (b)

6

SULIT 55/1

SULIT 55/1

7.

The diagram shows an apparatus that can be used to separate mixtures.

Which of the following mixtures can be separated by this method?

I Oil and water

II Petrol and water

III Sugar and water

A I and II only

B I and III only

C II and III only

D I, II and III

8. The diagram shows the apparatus used in an experiment.

Which statement best explains the observation in the experiment?

A Snail shell reacts with the dilute acid.

B A gas is released when snail shell reacts with the dilute acid.

C Snail shell reacts with the dilute acid to extinguish the lighted splinter.

D Snail shell reacts with the dilute acid to release gas, which will extinguish the

splinter.

7

SULIT 55/1

SULIT 55/1

9. The diagram shows test tube M contains carbon dioxide while test tube N contains

oxygen. The content of both test tubes are tested with lime water.

M N

What are the results?

Test tube M

Test tube N

A Cloudy Cloudy

B Cloudy No change observed

C No change observed Cloudy

D No change observed No change observed

10. The diagram shows the apparatus to study conductivity of a metal.

Thumb tack X drops first because

A copper is a better conductor of heat than iron.

B iron is a better conductor of heat than copper.

C a much stronger gravity force is acting on thumb tack Y.

D a much stronger gravity force is acting on thumb tack X.

8

SULIT 55/1

SULIT 55/1

11. The table shows types of energy and its source.

Types of energy Sources of energy

X Renewable

Y Non-renewable

Which of the following represents X and Y?

X Y

A biomass solar energy

B solar energy fossil fuel

C solar energy hydro energy

D fossil fuel biomass

12. Which of the following pairs of sensory organ and the type of stimulus it detects is

correct?

Sensory organ Stimulus

A Skin Light

B Ear Sound

C Tongue Chemicals in the air

D Eye Pressure

13. Which of the following shows the correct path taken by nerve impulses as they

travel to the brain?

A stimulus receptor nerve brain

B receptor stimulus nerve brain

C response nerve receptor brain

D stimulus receptor response brain

9

SULIT 55/1

SULIT 55/1

14. The graph shows pH value in the stomach that was measured based on the time.

Which of the following happens in stage Y?

A Peristalsis takes place.

B Digestion of food takes place.

C Water is absorbed from food.

D The stomach stops secreting gastric juice.

15. The diagram shows some of the organs involve in food digestion.

What class of food one should avoid if organ W is removed?

A Fat

B Protein

C Mineral salt

D Carbohydrate

W

pH

10

SULIT 55/1

SULIT 55/1

16. The features listed below refer to structure X.

Structure X

Found in the human tongue

Plays a role in taste detection

Consists of taste receptors

Which of the following structures best represents X?

A Saliva

B Taste buds

C Taste receptors

D Olfactory nerves

17. The diagram shows parts of a tongue which are sensitive to four different tastes.

What do M, N, O and P detect most easily?

M N O P

A Potato chips Lime juice honey Strong coffee

B Strong coffee Lime juice Potato chips Honey

C Lime juice Strong coffee honey Potato chips

D Strong coffee Potato chips honey Lime juice

11

SULIT 55/1

SULIT 55/1

18. The diagram shows the organs of the human digestive system.

Which of the following is true about the organs labelled P and Q?

P Q

A Reabsorbs water Breaks down proteins

B Breaks down fats Breaks down proteins

C Breaks down proteins Breaks down fats

D Breaks down proteins Reabsorbs water

P

Q

12

SULIT 55/1

SULIT 55/1

19.

The diagram shows some organisms grouped in the same class.

All these organisms

I are aquatic.

II produce spore.

III contain chlorophyll.

A I and II only

B I and III only

C II and III only

D I, II and III

20.

The diagram shows the relationship between two processes, P and Q.

What are represented by P and Q ?

P Q

A Photosynthesis Respiration

B Degradation Photosynthesis

C Respiration Photosynthesis

D Respiration Degradation

Carbon dioxide Oxygen

P

Q

13

SULIT 55/1

SULIT 55/1

21. We often hear this appeal from the mass media;

What should we do to help conserve and preserve the environment?

A Avoid using paper which is made from trees.

B Avoid eating food which comes from plants.

C Separate rubbish according to their types and throw them in separate bins.

D Hold a demonstration so that people will be aware of the importance of

conservation and preservation of the environment.

22. The diagram shows clothes hung on a clothes line.

Which of the following influences the process of evaporation of water from

clothes?

I Wind

II Surrounding temperature

III Surface area of the clothes

A I and II only

B I and III only

C II and III only

D I, II and III

The act of conserving and

preserving the environment is a

shared responsibility

14

SULIT 55/1

SULIT 55/1

23.

Which of the following is not true?

A Boiling can kill microorganisms.

B Filtration removes microorganisms.

C Filtration can remove suspended solids.

D Chlorination does not remove dissolved mineral salts.

24. Which of the following uses the principle of air pressure?

I Syringes

II Aerosol cans

III Filter funnels

A I and II only

B I and III only

C II and III only

D I, II and III

25. The diagram shows a rubber sucker pump which is used to clear a blocked sink - pipe.

Which of the following statements is true?

A Air pressure at R, S and T is the same.

B Air pressure at R is lower than air pressure at S.

C Air pressure at S is lower than air pressure at R.

D Air pressure at S is higher than air pressure at T.

R

S

T

Blockage

15

SULIT 55/1

SULIT 55/1

26. The diagram shows a boy pushing a box to make it closer to the wall. He is pushing

with a force of 600 N.

How much work is done by the boy?

A 200 J

B 600 J

C 900 J

D 1800 J

27. The diagram shows four tables with different base areas.

Which of the following shows the true arrangement of the tables in the order of

increasing stability?

A Q → R → S → P

B Q → P → R → S

C S → R → Q → P

D S → P → R → Q

3 m

Wall

Box

16

SULIT 55/1

SULIT 55/1

28. The diagram shows a broom which is based on the principle of levers.

Which are the parts X, Y and Z that can be labelled as fulcrum, load and effort?

X Y Z

A Fulcrum Load Effort

B Load Fulcrum Effort

C Effort Load Fulcrum

D Fulcrum Effort Load

29. The information given below shows three kinds of respiratory diseases.

Asthma

Bronchitis

Emphysema

These diseases are caused by…

A Food allergy

B Air pollutants

C Viral infection

D Fungal infection

30. Which of the following difference is correct between a white blood cell and a red

blood cell?

White blood cell Red blood cell

A Do not have nucleus Have nucleus

B Transport carbon dioxide Transport oxygen

C Small in size Large in size

D Produced in bone marrow Produced in liver and spleen

17

SULIT 55/1

SULIT 55/1

31. The diagram shows the female reproductive system.

Which of the following is the correct sequence of movement of sperms when they enter

the female body?

A Vagina → cervix → uterus → fallopian tube

B Vagina → cervix → fallopian tube → uterus

C Vagina → fallopian tube → uterus → cervix

D Vagina → uterus → fallopian tube → cervix

32.

X represents one of the classes of food. Which of the following can be grouped

under X ?

I Iron

II Calcium

III Phosporous

A I and II only

B I and III only

C II and III only

D I, II and III

33. Pollination is the

A germination of pollen grains and ovule.

B fusion of male and female gamete in ovary.

C transfer of pollen grains from the anther to the stigma.

D transfer of pollen grains from the stigma to the anther.

Nutrient X

Its function is for development of bones and teeth

18

SULIT 55/1

SULIT 55/1

34. The diagram shows the growth curve of a human.

Which of the following statements is not true about the region X ?

A There is steady growth.

B Negative growth begins.

C Development is uniform.

D Positive growth to maturity.

35. The diagram shows the steps involved in the formation of lime water.

Which of the following steps is stated correctly?

P Q R

A Heating Adding a few drops of

water

Adding more water

B Adding more water Adding a few drops of

water

Heating

C Heating Adding more water Adding a few drops of

water

D Adding a few drops of

water

Heating Adding more water

Lime

stone

Quicklime Slaked

lime

Lime

water

P Q R

19

SULIT 55/1

SULIT 55/1

36. The diagram shows a fractionating column and two fractions of petroleum.

Fraction F is collected before G. Compared to fraction G, fraction F has

A larger particles.

B a darker colour.

C a higher density.

D a lower boiling point.

37. The diagram shows a three-pin plug

Which components help to prevent electrical accidents?

A I and II only

B I and III only

C II and III only

D I, II and III

20

SULIT 55/1

SULIT 55/1

38. The diagram shows an object used in a space exploration.

What is this object used for?

A Exploring other planets.

B Enable distant objects in space to be seen.

C Enable to detect the reflection of light from stars.

D Detecting changes in the temperature and air in the Earth’s atmosphere.

39.

The table shows the input and output voltages of a transformer.

Input voltage ( V ) 0 5 10 15 20

Output voltage ( V ) 0 2 4 6 8

Which of the following correctly describe the transformer?

I The transformer is a step-down transformer.

II The transformer can be used to lower the voltage of an alternating current.

III The secondary coil of the transformer has more turns than the primary coil.

A I and II only

B I and III only

C II and III only

D I, II and III

21

SULIT 55/1

SULIT 55/1

END OF QUESTION PAPER

40. The diagram shows a closed circuit and the voltage across each bulb.

If the total resistance is 2Ώ, what is the current flowing through the circuit?

A 0.7 A

B 1.0 A

C 1.5 A

D 4.0 A