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Science Plants Year 3 Revision

Total questions: 33

Worksheet time: 33mins

Name
Class
Date
1.
Three main things plants need to survive. 
a)
sunlight, oxygen, soil
b)
soil, carbon dioxide, sunlight 
c)
sunlight, air, soil 
d)
sunlight, air, water 
2.
How do plants get their energy?
a)
through a reaction called chlorophyll 
b)
by a process called photosynthesis 
c)
by absorbing mineral nutrients from soil 
d)
by eating other organisms 
3.
The source of energy plants use to make food
a)
photosynthesis 
b)
air 
c)
sunlight 
d)
soil 
4.

Choose the wrong statement.


During the growth of plant,

a)

the number of leaves increase

b)

the stem becomes thinner

c)

the root becomes longer

5.

Choose the wrong answer.


The Importance of plants are

a)

animal's habitat

b)

source of food

c)

source of medicine

d)

human' s habitat

6.

Which plant is healthy?

a)
b)
7.

What are the basic needs of plants to grow healthy?

a)

water,sunlight,air

b)

sunlight,flower,vase

c)

fruits, water,air

d)

flower,water,air

8.

What is the main function of the roots

a)

To store water and food

b)

To provide support and keep it stable

c)

To absorb water and minerals in the soil

d)

To stop soil erosion

9.

What part of the plant makes the food?

a)

The leaves

b)

The roots

c)

The stem

d)

The flowers

10.

Select the RIGHT sentence

a)

Plants are not living things

b)

Plants never die

c)

Plants make their own food

d)

Plants don't need sunlight

11.

Which part of the plant absorbs water and nutrients into the plant?

a)

Flower

b)

Stem

c)

Roots

d)

Leaves

12.

Arrange the growth stages of tomato plants

a)

fruits , seeds , young plant , germination plant , flower

b)

seeds, germination of seeds, young plant, flowers, fruits

c)

flower , fruits , seeds , germination of seeds , young plant

d)

seeds , germination seeds , young plant , fruits , flower

13.

What do plants need to grow?

a)

Water, air and sunlight.

b)

Water.

c)

Water and soil.

d)

Water, air and love.

14.

Based on the picture, what is the importance of tree to the squirrel?

a)

Habitat

b)

Air

c)

Food

15.

What will change when a plant is growing?

a)

Number of fruits increases

b)

Number of leaves increases

c)

Number of flowers increases

16.

Choose 3 basic needs for a plant's growth.

a)

Water

b)

Suitable temperature

c)

Air

d)

Sunlight

17.

Choose what will happen to human if plants extinct?

a)

Humans will be happy because we don't have to eat vegetables anymore

b)

Human will be sick because their body does not have a balance nutrition

c)

Nothing happen. Life is just as usual

d)

Human will lost their source of oxygen

18.

Why plants are important to humans?

a)

Because it is pretty

b)

Because we can make money by selling plants

c)

Because it provides us medicine

d)

Because plants is our responsibility

19.

Click on the basic needs for seed to germinate?

a)

Fertilizer

b)

Water

c)

Air

d)

Suitable temperature

20.

Sumayyah wants to germinate a green bean seed. She puts it on a wet cotton and put it inside a refrigerator. What will happen to the seed?

a)

It will germinate and grow healthily

b)

It will not germinate because the temperature is not suitable

21.

Firdaus wants to conduct an investigation. He wants to germinate a chilli seed. So, he puts it on a dry cotton and place it beside a window. What will happen to the seed?

a)

It will grow because Firdaus make sure the seed gets a suitable temperature

b)

It will not grow. Where is the water?

22.

Which of the following shows the right sequence of plant growth

a)

P > S > R > Q

b)

P > R > S > Q

c)

P > Q > R > S

d)

R > S > Q > P

23.

Why does plant wilt and die during drought season?

a)

High temperature

b)

No air

c)

Lack of water

24.

Aloe Vera is an example of a medicinal plant.

a)

True

b)

False

25.

We can also make clothes from plants like cotton.

a)

True

b)

False

26.
A place where plants and animals live and grow naturally is called a ______________.
a)
shelter
b)
tree
c)
habitat
d)
organism
27.

Arrange the growth stages of tomato plants

a)

fruits , seeds , young plant , germination plant , flower

b)

seeds, germination of seeds, young plant, flowers, fruits

c)

flower , fruits , seeds , germination of seeds , young plant

d)

seeds , germination seeds , young plant , fruits , flower

28.

Choose 3 basic needs for a plant's growth.

a)

Water

b)

Suitable temperature

c)

Air

d)

Sunlight

29.

Choose 3 basic needs for seeds to germinate

a)

Air

b)

Water

c)

Suitable temperature

d)

Soil

30.

After 5 days, the plant will be wilt because of not getting enough _________

a)

air

b)

water

31.

After 5 days, the plant will become yellowish because of not getting enough ____________

a)

water

b)

sunlight

32.

After 5 days, the plant will wilt because of not getting enough _______

a)

air

b)

water

33.

Three main things plants need to survive.

a)

sunlight, oxygen, soil

b)

soil, carbon dioxide, sunlight

c)

sunlight, air, soil

d)

sunlight, air, water