Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

Plants get carbon dioxide from the

Air

Sand

Soil

Leaves

2 / 20

Veins :

Absorb carbon dioxide from the atmosphere.

Transport water, food and minerals in a leaf.

Release oxygen and carbon dioxide into the atmosphere.

Absorb water and minerals from the soil.

3 / 20

Which plant needs external support to stand?

Herbs

Shrubs

Trees

Climbers

4 / 20

Which of the following plants can mostly be found in deserts

A

D

B

C

5 / 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 give greenish colour to the leaves.

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

6 / 20

In addition to sunlight what else is required for photosynthesis?

Sugar and water

Carbon dioxide and water

Oxygen and carbon dioxide

Water and oxygen

7 / 20

Plants can be ________ as well as perennial/evergreen.

Temporary

None of these

Seasonal

Permanent

8 / 20

Which of the following part of a plant prepares food?

A

B

D

C

9 / 20

Potato is the modified form of ________ .

Roof

Fruit

Stem

Leaf

10 / 20

What does a fruit contain?

Flower

Leaf

Stem

Seed

11 / 20

Plants grow in soil as well as in ________

Water

Clouds

Sky

None of the above

12 / 20

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

Chlorophyll

Salt

Carotene

All of the above

13 / 20

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

Neem

Cactus

Tulsi

Mango

14 / 20

Jute plant is used to make ________ .

Ropes

Perfumes

Spices

Medicines

15 / 20

The plant shown in the figure is a ________

Tree

Shrub

Climber

Herb

16 / 20

Which part of the cauliflower are you supposed to consume?

Flower

Roots

Stem

Fruit

17 / 20

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

D

B

C

A

18 / 20

Rose Shrubs :: Grape : ?

Shrubs

Climber

Tree

None of these

19 / 20

The plant shown in the figure is a ________

Desert plant

Water plant

Land plant

Thorny plant

20 / 20

Which part of the sugarcane plant produces juice?

Fruit

Leaf

Root

Stem

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