Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

Which plant needs external support to stand?

Shrubs

Climbers

Trees

Herbs

2 / 20

The plant shown in the figure is a ________

Tree

Climber

Herb

Shrub

3 / 20

In addition to sunlight what else is required for photosynthesis?

Oxygen and carbon dioxide

Sugar and water

Water and oxygen

Carbon dioxide and water

4 / 20

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

B

C

A

D

5 / 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.

6 / 20

Veins :

Transport water, food and minerals in a leaf.

Absorb water and minerals from the soil.

Absorb carbon dioxide from the atmosphere.

Release oxygen and carbon dioxide into the atmosphere.

7 / 20

Which of the following plants can mostly be found in deserts

C

D

B

A

8 / 20

Which of the following part of a plant prepares food?

A

B

C

D

9 / 20

Plants can be ________ as well as perennial/evergreen.

Temporary

None of these

Seasonal

Permanent

10 / 20

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

Chlorophyll

All of the above

Carotene

Salt

11 / 20

Plants grow in soil as well as in ________

Clouds

None of the above

Water

Sky

12 / 20

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

Cactus

Neem

Mango

Tulsi

13 / 20

The plant shown in the figure is a ________

Land plant

Desert plant

Water plant

Thorny plant

14 / 20

Rose Shrubs :: Grape : ?

Shrubs

Tree

None of these

Climber

15 / 20

Jute plant is used to make ________ .

Spices

Perfumes

Ropes

Medicines

16 / 20

Plants get carbon dioxide from the

Soil

Leaves

Air

Sand

17 / 20

Which part of the sugarcane plant produces juice?

Leaf

Fruit

Root

Stem

18 / 20

Potato is the modified form of ________ .

Leaf

Fruit

Stem

Roof

19 / 20

Which part of the cauliflower are you supposed to consume?

Roots

Flower

Fruit

Stem

20 / 20

What does a fruit contain?

Stem

Flower

Leaf

Seed

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