Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

Plants can be ________ as well as perennial/evergreen.

Temporary

Seasonal

None of these

Permanent

2 / 20

Jute plant is used to make ________ .

Spices

Perfumes

Ropes

Medicines

3 / 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.

4 / 20

Which part of the cauliflower are you supposed to consume?

Stem

Fruit

Roots

Flower

5 / 20

Rose Shrubs :: Grape : ?

Tree

Shrubs

None of these

Climber

6 / 20

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

Neem

Tulsi

Cactus

Mango

7 / 20

Potato is the modified form of ________ .

Roof

Leaf

Stem

Fruit

8 / 20

Which plant needs external support to stand?

Climbers

Herbs

Shrubs

Trees

9 / 20

Which of the following plants can mostly be found in deserts

D

C

B

A

10 / 20

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

Carotene

Salt

All of the above

Chlorophyll

11 / 20

The plant shown in the figure is a ________

Water plant

Thorny plant

Land plant

Desert plant

12 / 20

Which part of the sugarcane plant produces juice?

Stem

Leaf

Fruit

Root

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

To absorb water and minerals from the soil.

To give greenish colour to the leaves.

14 / 20

Plants grow in soil as well as in ________

None of the above

Sky

Clouds

Water

15 / 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

16 / 20

What does a fruit contain?

Leaf

Stem

Seed

Flower

17 / 20

Plants get carbon dioxide from the

Air

Sand

Leaves

Soil

18 / 20

Which of the following part of a plant prepares food?

D

C

B

A

19 / 20

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

C

D

B

A

20 / 20

The plant shown in the figure is a ________

Shrub

Tree

Herb

Climber

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