Class-3-Science-Plants - SKK International Olympiad

Class-3-Science-Plants-1

1 / 20

Plants can be ________ as well as perennial/evergreen.

None of these

Temporary

Permanent

Seasonal

2 / 20

In addition to sunlight what else is required for photosynthesis?

Carbon dioxide and water

Sugar and water

Water and oxygen

Oxygen and carbon dioxide

3 / 20

Potato is the modified form of ________ .

Stem

Roof

Fruit

Leaf

4 / 20

Jute plant is used to make ________ .

Perfumes

Medicines

Ropes

Spices

5 / 20

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

Carotene

Salt

All of the above

Chlorophyll

6 / 20

Plants grow in soil as well as in ________

None of the above

Sky

Water

Clouds

7 / 20

What does a fruit contain?

Flower

Stem

Leaf

Seed

8 / 20

Rose Shrubs :: Grape : ?

Climber

Shrubs

Tree

None of these

9 / 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.

10 / 20

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

D

B

C

A

11 / 20

Which part of the sugarcane plant produces juice?

Leaf

Fruit

Root

Stem

12 / 20

Which plant needs external support to stand?

Herbs

Shrubs

Climbers

Trees

13 / 20

Which of the following plants can mostly be found in deserts

C

A

B

D

14 / 20

The plant shown in the figure is a ________

Shrub

Climber

Tree

Herb

15 / 20

Which part of the cauliflower are you supposed to consume?

Fruit

Flower

Stem

Roots

16 / 20

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

Mango

Neem

Cactus

Tulsi

17 / 20

Which of the following part of a plant prepares food?

C

D

B

A

18 / 20

Plants get carbon dioxide from the

Air

Soil

Sand

Leaves

19 / 20

The plant shown in the figure is a ________

Water plant

Desert plant

Thorny plant

Land plant

20 / 20

Veins :

Transport water, food and minerals in a leaf.

Absorb carbon dioxide from the atmosphere.

Absorb water and minerals from the soil.

Release oxygen and carbon dioxide into the atmosphere.

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