Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

Which plant needs external support to stand?

Climbers

Shrubs

Herbs

Trees

2 / 20

In addition to sunlight what else is required for photosynthesis?

Sugar and water

Oxygen and carbon dioxide

Carbon dioxide and water

Water and oxygen

3 / 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 give greenish colour to the leaves.

To absorb carbon dioxide from the atmosphere.

To absorb water and minerals from the soil.

4 / 20

Plants grow in soil as well as in ________

Sky

Clouds

Water

None of the above

5 / 20

The plant shown in the figure is a ________

Water plant

Land plant

Thorny plant

Desert plant

6 / 20

What does a fruit contain?

Flower

Leaf

Seed

Stem

7 / 20

Jute plant is used to make ________ .

Ropes

Medicines

Perfumes

Spices

8 / 20

Potato is the modified form of ________ .

Stem

Fruit

Roof

Leaf

9 / 20

Plants can be ________ as well as perennial/evergreen.

Permanent

Seasonal

Temporary

None of these

10 / 20

Plants get carbon dioxide from the

Soil

Air

Sand

Leaves

11 / 20

Which part of the sugarcane plant produces juice?

Root

Stem

Fruit

Leaf

12 / 20

Which of the following plants can mostly be found in deserts

A

C

B

D

13 / 20

Which of the following part of a plant prepares food?

D

B

A

C

14 / 20

Which part of the cauliflower are you supposed to consume?

Stem

Roots

Flower

Fruit

15 / 20

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

Neem

Tulsi

Mango

Cactus

16 / 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.

17 / 20

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

Chlorophyll

Salt

All of the above

Carotene

18 / 20

The plant shown in the figure is a ________

Shrub

Herb

Climber

Tree

19 / 20

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

C

A

B

D

20 / 20

Rose Shrubs :: Grape : ?

None of these

Climber

Shrubs

Tree

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