Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants | Olympiad Practice papers online

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Class-3-Science-Plants-1

1 / 20

Rose Shrubs :: Grape : ?

None of these

Climber

Shrubs

Tree

2 / 20

Plants grow in soil as well as in ________

None of the above

Sky

Water

Clouds

3 / 20

Which of the following part of a plant prepares food?

A

D

B

C

4 / 20

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

Carotene

All of the above

Salt

Chlorophyll

5 / 20

Which part of the sugarcane plant produces juice?

Fruit

Stem

Leaf

Root

6 / 20

In addition to sunlight what else is required for photosynthesis?

Sugar and water

Carbon dioxide and water

Water and oxygen

Oxygen and carbon dioxide

7 / 20

Veins :

Transport water, food and minerals in a leaf.

Absorb carbon dioxide from the atmosphere.

Release oxygen and carbon dioxide into the atmosphere.

Absorb water and minerals from the soil.

8 / 20

Potato is the modified form of ________ .

Leaf

Fruit

Roof

Stem

9 / 20

What does a fruit contain?

Leaf

Seed

Flower

Stem

10 / 20

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

A

B

D

C

11 / 20

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

Mango

Neem

Tulsi

Cactus

12 / 20

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

To give greenish colour to the leaves.

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.

13 / 20

The plant shown in the figure is a ________

Shrub

Climber

Tree

Herb

14 / 20

Plants can be ________ as well as perennial/evergreen.

Seasonal

None of these

Permanent

Temporary

15 / 20

Which part of the cauliflower are you supposed to consume?

Stem

Fruit

Roots

Flower

16 / 20

Which plant needs external support to stand?

Herbs

Shrubs

Climbers

Trees

17 / 20

Jute plant is used to make ________ .

Perfumes

Spices

Medicines

Ropes

18 / 20

The plant shown in the figure is a ________

Thorny plant

Desert plant

Land plant

Water plant

19 / 20

Which of the following plants can mostly be found in deserts

C

B

D

A

20 / 20

Plants get carbon dioxide from the

Air

Soil

Leaves

Sand

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