A

Answer all questions.

1 What are the basic needs of human beings?

S FoodT WaterU ShelterV Air

A S and U onlyB T and V onlyC S, U and V onlyD S, T, U and V

2 The diagram below shows an experiment.

Which of the following may happen after one week ?

A The mouse will grow.B The mouse will die.C The mouse will compete to get food.D The mouse will compete to get air.

3 The diagram below shows two potted plants. The plants were put in a bright place.

After a few days, plant A grow taller but plant B died. What conclusion can you make from the experiment ?

A Plants need air to live. B Plants need water to live

C Plants need sunlight to live.D Plants need a suitable temperature to live.

4 What happens when humans inhale and exhale ?

Inhale Exhale

A Air is taken into the body

Air is given out of the body.

B Air is given out of the body

Air is taken into the body.

C Water is taken into the body

Water is given out of the body.

D Water is given out of the body.

Water is taken into the body.

.

5 We need to remove (excrete) waste materials from our bodies because the

waste materials will

A make us weak.B make us grow tired easilly.C make us put on weight quickly.D make us become unhealthy

6 What is meant by excretion ?

A Discharging digested materials.B Discharging toxic fluid which can be found in the body.C Discharging the materials that are not needed by the body.D The removal of waste products in the form of feaces and urine.

7 A pupil quickly withdrew his hand when he accidentally touched a hot iron. What life process is shown by the pupil?

A excretionB breathingC defecationD respond to stimuli

B

Airtight plastic bag

Wet soil

SJK T SARASWATHY, KLSCIENCE YEAR 4

MARCH EXAMCLASS: NAME:

P Q

R S

W X Y Z

8 The pictures below shows four animals.

Which of the above animals reproduce by laying eggs?

A P and Q B Q and R C P, Q and S D Q, R and S

9 The diagram below shows a type of animal.

The animal protects itself from enemies by

A rolling up its bodyB producing bad smellsC pretending to be deadD having a poisonous sting

10 The plant below cannot be eaten by animals because

A its stems have thornsB its stems produce latexC its leave have fine hairsD its leaves have bitter taste

11. The diagram below shows a plant grown from suckers.

Which of the folowing plant reproduce through the same method ?

I PineappleII MushroomIII Hibiscus A I onlyB I and II onlyC II and III onlyD I, II and III only

12 The picture below shows four animals, W, X, Y and Z.

Which of them reproduce by giving birth ?

A W and ZB X, Y and ZC W,X and YD W, X, Y and Z

13 Which of the following animals uses gills as breathing organs ?

A B

C D

14 A plant has these characteristics.

What is the purpose of these characteristics ?

A To protect the plant from losing too much water.B To protect the leaves from being eaten by animals.C To prevent insect from laying eggs on the leaves.D To prevent rainwater from collecting on the leaves.

15 The diagram below shows an animal.

How does this animal survive in extreme weather in its habitat ?

AThey have thick fur.BThey wallow in rivers.CThey have humps to store food and water.DThey have a thick layer of fat beneath their skin.

16 Which of the following is true ?

ANIMALS HOW THESE ANIMALS PROTECT THEMSELVES

A Millipedes Curl up their bodies

B Porcupines Have two large spots on their wings

C Bed bugs Have venomous stings

D Chameleons Have hard scales

17 Which of the followings animals have sharp claws to protect themselves from being attacked by enemies ?

I catII ElephantIII Tiger

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

18 Which of the following are waste products of humans ?

I Carbon dioxideII SweatIII OxygenIV Urine

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

19 The diagram shows a plant responds to

A airB touchC gravityD sunlight

20 The diagram below shows the life cycle of an animal.

This is most probably the life cycle of a

A Frog B Chicken C Butterfly D Cockroach

Roll up its leaves Has a layer of wax on the leaves

housefly

lizard water

lid

21 Which of the below are the basic needs of humans?

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

22 The plant is grown from suckers is ............

A bananaB balsamC roseD ginger

23 When human defecate, it produced

A urineB waterC sweatD faeces

24 The information below shows the specific characteristics of a plant.

This shows that the plant can protect from ..............................

A enemiesB dry regionC strong windD excessive loss of water

25 The plants that has fine hairs to protect itself from enemies is

A mimosaB bambooC yam plantD papaya tree

26 Animals need air to…

A help them grow and stay healthy.B help them breathe.C protect them from danger.D build up their muscles.

27 The diagram below shows a simple experiment.

The experiment above shows that animals need…

A sunlightB foodC airD water.

28 Based on the diagram below, the housefly and the lizard will die because they do not get….

A water supply. B food supply.

C air supply.

live tadpole dead tadpole

after one day

oil

Has stem that can bent Has strong and big stem

I FoodII AirIII SunlightIV Shelter

D enough space.

29 Which of the following seeds will grow after a week?

A B

30 A potted plant is placed in a box as shown in the diagram .

What will happen to the plant after two weeks?

A the plant wilts.B the leaves of the plant become yellow.C the plant grows towards the hole.D the plant grows upwards.

CD