Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

The plant shown in the figure is a ________

Thorny plant

Water plant

Desert plant

Land plant

2 / 20

Which part of the sugarcane plant produces juice?

Root

Fruit

Leaf

Stem

3 / 20

Plants can be ________ as well as perennial/evergreen.

None of these

Temporary

Seasonal

Permanent

4 / 20

What does a fruit contain?

Leaf

Seed

Stem

Flower

5 / 20

Veins :

Release oxygen and carbon dioxide into the atmosphere.

Absorb water and minerals from the soil.

Absorb carbon dioxide from the atmosphere.

Transport water, food and minerals in a leaf.

6 / 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

7 / 20

Which of the following plants can mostly be found in deserts

C

B

D

A

8 / 20

Jute plant is used to make ________ .

Perfumes

Ropes

Medicines

Spices

9 / 20

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

Neem

Tulsi

Cactus

Mango

10 / 20

Which part of the cauliflower are you supposed to consume?

Roots

Stem

Fruit

Flower

11 / 20

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

B

C

D

A

12 / 20

Potato is the modified form of ________ .

Fruit

Stem

Roof

Leaf

13 / 20

Plants grow in soil as well as in ________

None of the above

Water

Sky

Clouds

14 / 20

Which of the following part of a plant prepares food?

B

D

C

A

15 / 20

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

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

To absorb carbon dioxide from the atmosphere.

To give greenish colour to the leaves.

To absorb water and minerals from the soil.

16 / 20

Which plant needs external support to stand?

Herbs

Shrubs

Trees

Climbers

17 / 20

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

Chlorophyll

All of the above

Carotene

Salt

18 / 20

The plant shown in the figure is a ________

Shrub

Climber

Tree

Herb

19 / 20

Rose Shrubs :: Grape : ?

Climber

None of these

Tree

Shrubs

20 / 20

Plants get carbon dioxide from the

Leaves

Sand

Soil

Air

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