Mock Trial PMR Set 1

Name: ______________________________ Secondary 3__________________________________________________________________________________________

SULIT

MOCK PMR SCIENCE EXAM 2012 55/1SCIENCEPaper 1September1 hour 20 minutes One hour twenty minutes

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

INFORMATION FOR CANDIDATES

1. This question paper consists of 50 objective questions.

2. Answer all questions.

3. For each question, choose one answer only. Blacken your answer on the objective answer

sheet provided.

4. If you wish to change your answer, erase the blackened mark that you have made. Then

blacken the new answer.

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

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

This question paper consists of 24 printed pages

MOCK Examination for SCIENCE PMR 2012

1 Diagram below shows an irregular shape traced on a piece of graph paper.

Estimate the area of this shape.

A 15 cm2

B 16 cm2

C 17 cm2

D 18 cm2

2 Diagram below shows a burette used to measure a volume of acid during titration.

What is the volume of the acid in the conical flask, if the initial volume of burette is 27 ml?

A 1.6 ml

B 1.8 ml

C 2.2 ml

D 2.4 ml

3 Which of the following apparatus can be used to measure the weight of an object?

Mock PMR Exam prepared by Ms. Sue Soh 3

1cm

1cm


4 Diagram below shows a plant cell.

Which part A, B, C or D maintains the shape of the cell?

5 Which of the following are unicellular?


A

B

C

D


I Paramecium

II Yeast

III Hydra

IV Spirogyra

A III only

B I and II only

C I and IV only

D I and III only

6 Diagram below shows an arrangement of particles of a matter.

The matter has

A a fixed pattern

B a definite volume

C the shape of its container

D a low kinetic energy

7 Diagram below shows the arrangement of three liquids in a measuring cylinder.



Which of these maybe Liquid P?

Liquid Density (g/cm3)

I Bromine 3.10

II Tethrachloromethane 1.59

III Benzene 0.88

IV Petrol 0.75

A I and II only

B I and IV only

C II and III only

D III and IV only

8 Diagram below shows the comparison of mass among solid P, Q and R of the same volume.



Which of the following shows the arrangement of the densities of solids in increasing order?

A P, Q, R

B P, R, Q

C Q, P, R

D Q, R, P

9 The following information shows the result recorded by a student.

Mass of beaker and oil 140 gMass of empty beaker 100 g

Mass of oil 40 gVolume of oil 50 cm3

Calculate the density of oil.

A 0.8 g/cm3

B 1.2 g/cm3

C 1.4 g/cm3

D 2.5 g/cm3

10 The following information shows the properties of matter.



It consists of two elements chemically combined together Its properties are different from the properties of its element The elements combined cannot be separated by physical means

Which of the following has the above properties?

A Compound

B Element

C Mixture

D Molecule

11 Which of the following is an example of mixture?

A Sand

B Sulphur

C Carbon dioxide

D Sea water

12 Diagram below shows a method used to separate a mixture.

This method can be applied to separate

A solid and solid

B solid and liquid

C solid and gas

D liquid and gas

13 The following equation shows a combustion process.



How can you explain the combustion process from the equation given?

A Combustion is a chemical reaction that absorbs heat energy and light energy

B Combustion is a chemical reaction that gives out carbon dioxide and energy

C Combustion is a chemical reaction that needs carbon dioxide, heat energy and light energy

D Combustion is a chemical reaction between carbon and oxygen

14 Diagram below shows an activity conducted by a student.

What will happen to the limewater?

A Turns blue black

B Unchanged

C Turns chalky

D Turns yellow

15 Pie chart below shows the composition of gases in the air.



What is gas X?

A Carbon dioxide

B Nitrogen

C Carbon monoxide

D Oxygen

16 Diagram below shows the apparatus used in an experiment to investigate the process of breathing.

Which of the following will be observed when air is blown into tube R for 3 minutes?

A Lime water in both test tube P and test tube Q shows no change

B Lime water in test tube Q turns cloudy but the lime water in test tube P shows no changes

C Lime water in test tube P turns cloudy but the lime water in test tube Q shows no changes

D Lime water in test tube Q turns cloudy sooner than lime water in test tube P

17 Diagram below shows a windmill.


Limewater

Test tube Q


What energy changes take place?

A Potential energy kinetic energy electrical energy

B Kinetic energy potential energy light energy

C Chemical energy sound energy light energy

D Light energy electrical energy light energy

18 The information below shows the characteristics of an energy.

Can be radiated Can travel through a metal Can travel through a vacuum

Which form of energy has the characteristics shown above?

A Sound energy

B Heat energy

C Light energy

D Chemical energy

19 Volcanoes are related to

A nuclear energy

B biomass energy

C geothermal energy

D hydroelectric energy

20 The following information shows the characteristics of a flowering plant.



Fibrous root Parallel vein Non-woody stem

Which plant has the above characteristics?

A Rose plant

B Mango plant

C Orchid plant

D Sunflower plant

21 Diagram below shows four steps R, S, T and U to test the presence of starch in a leaf.

Which sequence shows the correct steps of the test?

A S T U R

B T S U R

C U T S R

D T S R U

22 Diagram below shows a pyramid number in a paddy field.



Which of the following shows the effect on the paddy field if all of the rats are caught?

Snake Paddy

A Decreases Increases

B Decreases Decreases

C Increases Decreases

D Increases Increases

23 Diagram below shows that hot air exerts pressure.

Why does the balloon expand when the water in the beaker is heated?

A Kinetic energy of air particles in balloon decreases, air in the flask enters the balloon

B Air pressure in flask decreases, air pressure from outside force air enters the balloon

C Air density in flask decreases, air move upward to enter the balloon

D Air pressure in flask decreases, pushes air upward, air volume in balloon increases

24 Diagram below shows how a light object can be hung to a tiled wall using a hook with a rubber sucker.


Paddy

Rat

Snake

Retort stand Balloon

Water

Flask

Water

Heat


What can be changed to ensure that the rubber sucker sticks stronger onto the wall so that it can support heavier objects?

A Use a bigger hook

B Use a smaller hook

C Use a bigger rubber sucker

D Use a smaller rubber sucker

25 The pressure of gas inside a container can be reduced by

I increasing the volume of the container

II increasing the temperature of the container

III decreasing the size of the gas molecules

IV decreasing the number of gas molecules

A I and II only

B I and IV only

C II and III only

D III and IV only

26 Diagram below shows two human activities, R and S.


Hook

Rubber sucker

Tiled wall


What are the class of lever for the devices used by those people?

R S

A First class Second class

B Third class Second class

C Third class First class

D Second class First class

27 Diagram below shows a student with a weight of 400 N, carrying a load of 100 N up a staircase.

Calculate the work done.

A 4 800 J

B 6 000 J

C 6 500 J

D 7 500 J

28 Diagram below shows a student pushing a box.



Which of the following A, B, C and D is the direction of frictional force?

29 Diagram below shows a student pushing a cupboard over a distance of 2.5m with a force of 50 N.

What is the power if the work is done within 5 seconds?

A 625 W

B 125 W

C 25 W

D 10 W

30 Diagram below shows structure of the human respiratory system.



What will happen to structure Y when we inhale?

A Relaxes and flattens

B Contracts and flattens

C Relaxes and curves upwards

D Contracts and curves upwards

31 Alveolus increases the rate of oxygen diffusion. What are the characteristics of alveolus?

A Dry and thin wall

B Dry and thick wall

C Moist and thin wall

D Moist and thick wall

32 Table below shows the percentage of oxygen gas in inhale and exhale air.

GasPercentage of oxygen (%)

Inhale air Exhale air

Oxygen 21 16

Why does the percentage of oxygen gas decreases?

A It combines with haemoglobin to form deoxygenated blood

B It combines with platelet in blood

C It is used by the body cell

D It reacts with carbon dioxide gas

33 Tannin is the waste product of mangrove tree. What is the use of tannin?



A To make perfume

B To make ink

C To make varnish

D To make tyres

34 Diagram below shows the vertical section of a human kidney.

What are R, S and T?

R S T

A Cortex Pelvis Medulla

B Cortex Medulla Pelvis

C Medulla Cortex Ureter

D Medulla Pelvis Cortex

35 For those who are having kidney failure, they have to undergo dialysis by using the dialysis machine. What does a dialysis machine remove from the blood?

I Urea

II Protein and glucose

III Mineral salt and water

IV Mineral salt and glucose

A I and II only

B I and IV only

C II and III

D III and IV only



36 Maria wants to plant carpet grass. Which of the following parts of the plant that can be used for planting?

A Seed

B Stem

C Root

D Leaf

37 Diagram below shows a type of flower with pale coloured petals

What is the pollinating agent for this flower?

A Insects

B Animals

C Wind

D Water



38 Diagram below shows a cross section of seed for two types of plants.

Which of the following information is best to describe about J or K?

A J is the seed of monocotyledon plants

B K is the seed of dicotyledon plants

C Only J has endosperm

D Only K has endosperm

39 Diagram below shows three types of organisms.

How do these organisms reproduce?

R S T

A Budding Spore formation Binary fission

B Binary fission Vegetative reproduction Regeneration

C Binary fission Spore formation Regeneration

D Spore formation Vegetative reproduction Budding

40 Diagram below shows a plant that reproduce by vegetative.



Which of the following plant reproduce with the same way as shown above?

A Yam

B Potato

C Strawberry

D Lily

41 Diagram below shows stages of human growth based on height.

Which of the following classes of food is required in large quantities at stage Q?

I Carbohydrate

II Protein

III Roughage

IV Vitamins

A I and II only

B I and IV only

C II and III only

D III and IV only

42 At the age of 12-14, why is the growth rate of a girl is faster than a boy?



A The girl’s body is bigger than the boy’s body

B A girl stops growing earlier than a boy

C A girl reaches puberty earlier than a boy

D A girl passes through the adolescence stage faster than a boy

43 Information below describe one of the phenomenon occurs on the Sun’s surface.

Giant flames Solar wind Disrupt communication Cause aurora

What is the phenomenon described above?

A Prominences

B Sunspots

C Solar flare

D Red giant

44 Which statement is true about the Sun?

A It is made up cold gases

B The Sun atmosphere is divided into 4 layers

C Its diameter is 100 times wider than the Earth

D Supernova is a phenomenon on the surface of the Sun

45 Diagram below shows the layers of the Sun.



Which layer is chromosphere?

A P

B Q

C R

D S

46 The following statements are about the Sun’s structure.

The middle layer of the Sun During a solar eclipse, it appears reddish

Which layer of the Sun is being described above?

A Core

B Corona

C Chromosphere

D Photosphere

47 Which energy source is used by satellites?

A Mercury cells

B Kerosene

C Solar cells

D Petrol

48 In 1996, Malaysia launched a satellite called MEASAT. What is the satellite used for?

A To explore planets



B To obtain data from the universe

C To carry out experiment in the space

D To help broadcasting and communication service

49 Remote sensing technology has been used in various applications in Malaysia. What is the function of remote sensing technology?

A To provide navigation guide

B To help in repairing satellites

C To collect data on the Sun’s surface

D To map the underground water resources

50 Which of the following satellites used to show locations of natural resources?

A Weather satellites

B Communication satellites

C Environmental satellites

D Navigation satellites


Documents

Mock Trial PMR Set 1