Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

Leaves are green due to the presence of a green pigment called chlorophyll. The main function of chlorophyll is -

To absorb carbon dioxide from the atmosphere.

To absorb water and minerals from the soil.

To perform photosynthesis in the presence of sunlight, carbon dioxide and water.

To give greenish colour to the leaves.

2 / 20

Jute plant is used to make ________ .

Spices

Medicines

Perfumes

Ropes

3 / 20

Which of the following part of a plant prepares food?

D

A

B

C

4 / 20

Which part of the cauliflower are you supposed to consume?

Stem

Flower

Fruit

Roots

5 / 20

Plants grow in soil as well as in ________

Clouds

Water

Sky

None of the above

6 / 20

Potato is the modified form of ________ .

Fruit

Roof

Stem

Leaf

7 / 20

Which plant needs external support to stand?

Climbers

Shrubs

Herbs

Trees

8 / 20

The plant shown in the figure is a ________

Desert plant

Thorny plant

Water plant

Land plant

9 / 20

Which of the following plants can mostly be found in deserts

D

A

B

C

10 / 20

Which of the following part of a plant remains under the ground?

B

A

C

D

11 / 20

In addition to sunlight what else is required for photosynthesis?

Water and oxygen

Sugar and water

Oxygen and carbon dioxide

Carbon dioxide and water

12 / 20

What does a fruit contain?

Leaf

Seed

Flower

Stem

13 / 20

Plants can be ________ as well as perennial/evergreen.

Seasonal

Temporary

Permanent

None of these

14 / 20

Plants get carbon dioxide from the

Sand

Leaves

Air

Soil

15 / 20

Name a green colouring substance that is present in the leaves?

Carotene

Salt

Chlorophyll

All of the above

16 / 20

The plant shown in the figure is a ________

Shrub

Tree

Herb

Climber

17 / 20

Which part of the sugarcane plant produces juice?

Stem

Leaf

Root

Fruit

18 / 20

Veins :

Absorb water and minerals from the soil.

Release oxygen and carbon dioxide into the atmosphere.

Absorb carbon dioxide from the atmosphere.

Transport water, food and minerals in a leaf.

19 / 20

Which plant can grow in very low or no water for long period of time?

Mango

Cactus

Neem

Tulsi

20 / 20

Rose Shrubs :: Grape : ?

None of these

Shrubs

Climber

Tree

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