54115097 science year 4 chapter 1

8/12/2019 54115097 Science Year 4 Chapter 1

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Chapter 1 Living Things Have Basic NeedsSection AEvery question is followed by four optionsA, B, Cand D.Choose the correct answer.

1 The basic needs of a plant are

I air III lightII heat IV water

A I, II and III C I , II AND IVB I, II and IV D II, III and IV

2

A plants need water to stay aliveB plants need food to stay aliveC plants need sunlight to stay aliveD plants need air to stay alive

All living things

A need food C cannot moveB do not grow D stay alive forever

! Which of the following charts represents the weight of a healthy growing chick

A Weight

Week

B Weight

Week

! "earson #alaysia $dn %hd &''( my W)*+D of $I-N- .%$* /ear01

A plant which is not watered for a few days willwither1 This shows that


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C Weight

WeekD Weight

Week

" We need 22222222222222222222 when we are hungry1

A air C waterB food D o3ygen

# In what ways are animals and plants alike

A %oth can make their own foodB %oth can move by themselvesC %oth are non4living thingsD %oth need air and water

$ A hamster in an airtight container will suffocate and eventually die1 Why

A It does not have enough airB It does not have enough foodC It does not have enough spaceD It does not have enough sunlight

% If you grow a plant on a windowsill, the plant will

A turn yellow C wither and die

B grow away from the light D grow towards the light

& Wind, rain and clouds are

A alive because they can growB alive because they can move by themselvesC not alive because they cannot flyD not alive because they cannot have young



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1' Which of the following statements are correct

I 5umans need air to breatheII 5umans need sunlight to make foodIII 5umans need shelter to protect themselves from danger, sun and rain

IV 5umans need to eat and drink to grow and stay healthy

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

11 living fish dead fish oil

water water

ontainer 6 ontainer &

(ig)re 2

The investigation in 7igure & shows that animals need

A air C waterB food D sunlight

12 In which 8ar will the cockroach remain alive after five days

A C

B D

1 A leaf covered with a layer of grease will turn yellow after a few days1 This isbecause of

A insufficient sunlight C insufficient mineralsB insufficient air D insufficient water



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1! wet cotton

(ig)re

After a few days, what will happen to the seeds shown in 7igure 9

A It will become dry C It will dieB It will germinate D Nothing will happen to the seeds

1"

(ig)re !

+ook at the setup in 7igure 0 carefully1 What is the purpose of the e3periment

A To show that plants need air C To show that plants need sunlightB To show that plants need water D To show that plants need food

1# A covered 8ar containing a butterfly is placed in a cupboard for two days1The butterfly is later found dead1 This is because the butterfly

A did not get enough air

B did not get enough foodC did not get enough waterD did not get enough sunlight (ig)re "

1$ A rabbit will die if it is not given food for a week1 It needs food

A for breathing C for blood circulationB to generate energy and heat D to control body temperature

1% All of the following are basic human needs e*cept

A air C waterB food D sunlight

1& 5umans need shelter to protect themselves from the following e*cept

A sun C dangerB rain D diseases



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2'

(ig)re #

The illustrations in 7igure : show that plants can

A grow C reproduceB move D bear fruit

21 Which of the following seeds will germinate

A C

dry cotton

B D

wet cotton dry sand

22

(ig)re $

After one week, the grass which was covered with a stone has turned yellow1 Why

A It did not get enough air C It did not get enough foodB It did not get enough water D It did not get enough sunlight

2 Which of the following factors will affect the germination of seeds

I AirII WaterIII $unlight

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



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2! Among the following, which is nottrue

A 5umans need air to breatheB 5umans need to eat to grow and stay healthyC 5umans need sunlight to make food

D 5umans need shelter to protect themselves from sun and rain

2" 5umans need to eat well to

A breathe properly C grow and stay healthyB satisfy their hunger D keep fit and stay beautiful

2# Which of the following pairs is notcorrect

A Tiger 44444444 8ungle C %at 4444444 caves

B $nake 4444444 holes D *abbit 4444444 nests

2$ Among the animals listed below, which is commonly kept as a pet by humans

A at C TigerB $nake D #onkey

2%

The above are basic needs of

A humans C animalsB plants D babies

2&

(ig)re %

Apart from birds, the picture in 7igure ; is common shelter for

A tortoises C s


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'

(ig)re &

In what way are they alike

A %oth need sunlight to make foodB %oth can reproduceC %oth can move by themselvesD %oth can produce sound



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Section B

Instr)ction= Write your answers in the spaces provided.

1

ontainerA ontainer B ontainer C

(ig)re 1

$tudy the set4up in 7igure 6 carefully1

+a In which container>s? will the fish remain alive after three days

2222222222222222222222222222222222222222222222222222222222222222

+- -3plain your answer in >a?1

2222222222222222222222222222222222222222222222222222222222222222

+c If containerAis kept in a refrigerator, what will happen to the fish

2222222222222222222222222222222222222222222222222222222222222222

+d -3plain your answer in >c?1

2222222222222222222222222222222222222222222222222222222222222222



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2

black bo3

A B

(ig)re 2

+a "redict what will happen to both plants shown in 7igure & after one week1

>i? "lantA=2222222222222222222222222222222222222222222222222222222

>ii? "lant B=2222222222222222222222222222222222222222222222222222222

+- In the above e3periment, what variables should be kept constant

222222222222222222222222222222222222222222222222222222222222222

+c What conclusion can be made from this e3periment

22222222222222222222222222222222222222222222222222222222222222



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seal wet cotton dry cotton wet cotton black bo3

A B C wet cotton

(ig)re D

>a? %ased on the illustrations in 7igure 9, give one

>i? manipulative variable=2222222222222222222222222222222222222222222222222222222222222

>ii? constant variable=2222222222222222222222222222222222222222222222222222222222222

+- "redict the condition of the seeds in every container after one week1

>i? ontainerA= 22222222222222222222222222222222222222222222222222

>ii? ontainer B= 22222222222222222222222222222222222222222222222222

>iii? ontainer C = 22222222222222222222222222222222222222222222222222

>iv? ontainer D = 22222222222222222222222222222222222222222222222222

+c Write the inferences for your answers in >b?1

>i? ontainerA= 22222222222222222222222222222222222222222222222222

22222222222222222222222222222222222222222222222222

>ii? ontainer B= 22222222222222222222222222222222222222222222222222

22222222222222222222222222222222222222222222222222

>iii? ontainer C = 22222222222222222222222222222222222222222222222222

22222222222222222222222222222222222222222222222222



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>iv? ontainer D = 22222222222222222222222222222222222222222222222222

22222222222222222222222222222222222222222222222222

! omplete the following flow chart=

+a

+- 5ow do plants get their food

2222222222222222222222222222222222222222222222222222222222222222

+c If a plant is watered every day but it is covered with a bo3, what will happen to it

>i? after one day 222222222222222222222222222222222222222222222222

>ii? after one week 22222222222222222222222222222222222222222222222

>iii? after one month 2222222222222222222222222222222222222222222222

+d -3plain your answers in >c?1

2222222222222222222222222222222222222222222222222222222222222222


%asic needs of plants


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54115097 science year 4 chapter 1

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