pmr sains set 1 kertas 1

8/13/2019 Pmr Sains Set 1 Kertas 1

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JABATAN PELAJARAN NEGERI PERAK

_______________________

PENILAIAN MENENGAH RENDAH 2005

Learning To Score

SCIENCEPaper 1

1 hour

DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO

1. This question paper consists of 40 questions.

2. Answer all questions.

3. Answer each question by blackening the correct space on the answer

sheet.

4. Blacken only one space for each question.

5. If you wish to change your answer, erase the blackened mark that you

have made. Then blacken the space for your new answer.

6. The diagrams in the questions provided are not drawn to scale unless

stated.

7. You may use a non-programmable scientific calculator.

This question paper consists 14 printed pages.

55/1SciencePaper 1July20051 hour

Set 1



___________________________________________________Learning To Score 2005

Unit KurikulumJabatan Pelajaran Perak

3

3. The function of the part labeled M is

A to control the movement of substances in and out of the cell.B to allow chemical processes to take place here.C to control all the activities of the cell.D to store water and dissolved minerals.

4. The diagram above shows the arrangement of the particles of substances K and L.Which of the following represents K and L correctly?

A K - alcohol L - waterB K - iron L - oxygenC K - water L - ironD K - iron L - alcohol

5. Based on the diagram above, we can say that

A Solid X is denser than water.B Solid X is denser than liquid Y.C Solid X is less dense than liquid Y.D The densities of solid X and liquid Y are the same.





4

6. The diagram above shows the arrangement of particles in substances P, Q and R.The following are true about P, Q and R except

A P is an element.B Q is an element.C R is a compound.D The particles in Q are chemically combined together.

7. Three test tubes, P, Q and R were filled with different gases. They were inverted andshaken gently over a trough of water. It was found that the water level rose slightly intest tubes P and Q but rose highest in R. From the experiment above, what can yousay about the solubility of the gases?

A The gas in test tube P is most soluble.B The gas in test tube Q is most solubleC The gas in test tube R is most solubleD The gases are equally soluble

8. Which of the following is not a renewable energy source?

A Solar energyB Fossil fuelsC Tidal energyD Hydroelectric energy





5

9. The diagram above shows a ball rolling down a slope. State the position of the ball

when the potential energy of the ball is equal to its kinetic energy?

A KB LC M

D N

10 The above diagram shows four beakers K, L, M and N, containing 20 ml, 30 ml, 40ml and 50 ml of a liquid at 60°C. Which beaker contains the liquid with the leastamount of heat?

A KB LC MD N





6

11 The figure above shows the apparatus for testing enzyme activity on protein.What is an error in the set up ?

A Water bath at 37 0C.B Sodium hydroxideC PepsinD Egg white

12 A plant which have leaves as above will also haveI tap root systemII two cotyledons

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

13 The above statement explains A symbiosisB parasitismC competetionD biological control

The prey’s natural enemy is used to controlthe population of the pest.

Pepsin andSodium hydroxide

Water bath at37 0C

Egg white





7

14 The above figure shows the root of leguminous plant. Which of the following isthe roles of the bacteria that lives inside the root nodules ?

A To change the nitrogen in atmospere into nitrate for the leguminous plant.B To supply nutrient for the leguminous plant.C To povide support for the leguminous palnt.D To increase the grip of roots in the ground.

15 The syringe above can suck up the liquid because atmospheric pressure A is higher than the air pressure at XB is lower than the air pressure at XC is the same as the air pressure at XD is higher than air pressure at Z

16 Which of the following is true about the magnetic force ?

A It consists of repulsive force only.B It consists of repulsive force and attractive force.

C It is influence by the gravity force.D It exists in all types of metal.

17 Which of the following is not a function of the skeletal system ?

A Supports the weight of the body.B Protects the soft organsC Maintains the shape of the body.D Support the stability of the body.

Root nodules

Atmosphericpressure

XZ





8

18. How does a boat achieve stability on water ?

A By loading it with heavy things.B By decreasing its weight.C By reducing its base area.D By having the passengger stand up.

19 The figure above shows a load P is placed on a plank XY.A force of 160 N isexerted to keep the plank horizontally. What is the weight of the load P?

A 160 NB 320 NC 400 ND 800 N

20. Which of the plant parts shows positive hydrotropism ?

I StemII RootsIII Leaves

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

2 m 3 m

Load

160 N

X

Y





9

21 Which of the parts P , Q , R and S produce nerve impulses to be sent to the brain?

A PB QC R

D S

22 Which of the following vitamins is produced by our skin in sunlight?

A Vitamin AB Vitamin DC Vitamin ED Vitamin K

23 Which of the following is a product of photosynthesis?

I. Water

II. GlucoseIII. Oxygen

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

24 A student is boiling some sea water in a beaker. Which is the boiling point of the seawater ?

A 96 º C

B 98 º CC 100 º CD 104 º C

R

S

Q

P





10

25 A spring extends by 2 cm when a load of 5 N is applied to it. What is its extensionwhen a load of 15 N is applied to it?

A 4 cmB 6 cmC 8 cmD 10 cm

26 The contraction of which of the following changes the air pressure in the thoraciccavity?

A AlveolusB BronchioleC DiaphragmD Nasal cavity

27 The oxygenated blood from the lungs returns to the heart through the

A aortaB vena cavaC pulmonary veinsD pulmonary arteries

28 The information below shows the function of an excretory organ.

The excretory organ mentioned above is the

A skinB liverC lungsD kidneys

29 The transfer of pollen grains from the anther to the stigma is known as A fertilisationB pollinationC sterilisationD germination

To regulate the balance of water content To ensure that the blood pressure is at normal level





11

30 Which of the following is required for the formation of a zygote?

I SpermII OvumIII Offsping

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

31 Which of the following is an agent of pollination for flowers that do not producenectar, small , dull coloured and the pollen grains are small, many, light and smooth?

A BirdB InsectC WindD Water

32 The following graph shows the human growth curve

Which of the following stages represents rapid growth?

A P onlyB Q onlyC P and QD P and R

33 Which of the following represents the reaction that takes place when aluminium

powder is heated in the air?

A Aluminium + oxygen aluminium oxideB Aluminium + water aluminium hydroxideC Aluminium + sulphur dioxide aluminium sulphideD Aluminium + carbon dioxide aluminium carbonate

H ei gh

t ( c m

)

Time (years)





12

Symbol

A

G

Bulb

Resistor

Voltmeter

Dry cell

ElectricalComponent

A.

B.

C.

D.

34 In the above equation , P and Q are the products of the heating of calciumcarbonate. What are P and Q?

P Q A Calcium Carbon dioxideB Calcium oxide CarbonC Calcium oxide Carbon dioxideD Calcium hydroxide Carbon dioxide

35 Which of the following is true about the component of an electrical circuit and itssymbol?

Calcium carbonate P + Qheated





13

36 The figure shows a transformer.

What is it used for?

A To increase the voltage of an alternating current.B To decrease the voltage of an alternating current.C To convert direct current into alternating currentD To produce a strong magnetic field.

37 A bulb is connected to a battery of 12 V. If the current flowing in the circuits is 3 A ,the resistance of the bulb is

A 2 Ω B 4 Ω C 6 Ω D 8 Ω

38 Calculate the rating of the fuse suitable to be used in an electrical appliance marked240 V , 1 800 W

A 1 AB 3 AC 5 AD 10 A

39 The reaction shows how energy is generated by the Sun.

X is

A heliumB oxygenC carbonD calcium

Hydrogen atoms X + EnergyNuclear

Fusion





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40 Which of the following is true about the developments in space exploration?

A Man has successfully landed on the Moon.B Man has successfully landed on the Sun.C All spacecraft are reusable.D Neil Armstrong was the first man to orbit the Earth.

END OF QUESTION PAPER

pmr sains set 1 kertas 1

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