Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

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

Mango

Cactus

Tulsi

Neem

2 / 20

Rose Shrubs :: Grape : ?

Tree

Climber

Shrubs

None of these

3 / 20

The plant shown in the figure is a ________

Water plant

Land plant

Thorny plant

Desert plant

4 / 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 absorb water and minerals from the soil.

To give greenish colour to the leaves.

5 / 20

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

C

B

A

D

6 / 20

Plants can be ________ as well as perennial/evergreen.

Temporary

Seasonal

None of these

Permanent

7 / 20

In addition to sunlight what else is required for photosynthesis?

Sugar and water

Water and oxygen

Oxygen and carbon dioxide

Carbon dioxide and water

8 / 20

Plants grow in soil as well as in ________

Water

Clouds

None of the above

Sky

9 / 20

What does a fruit contain?

Stem

Leaf

Seed

Flower

10 / 20

Which of the following plants can mostly be found in deserts

A

C

D

B

11 / 20

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

Chlorophyll

Carotene

Salt

All of the above

12 / 20

Potato is the modified form of ________ .

Stem

Leaf

Roof

Fruit

13 / 20

The plant shown in the figure is a ________

Tree

Herb

Shrub

Climber

14 / 20

Which part of the sugarcane plant produces juice?

Leaf

Stem

Root

Fruit

15 / 20

Which of the following part of a plant prepares food?

D

A

B

C

16 / 20

Plants get carbon dioxide from the

Leaves

Soil

Sand

Air

17 / 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.

18 / 20

Jute plant is used to make ________ .

Perfumes

Medicines

Spices

Ropes

19 / 20

Which plant needs external support to stand?

Herbs

Trees

Climbers

Shrubs

20 / 20

Which part of the cauliflower are you supposed to consume?

Stem

Flower

Fruit

Roots

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