MCQ for Class 6 Science Chapter 15 Air Around Us with Answers

1. Major part of the air is constituted by

nitrogen

oxygen

carbon dioxide

inert gases

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Question 1 of 10

2. Which of the following gas helps in burning?

Nitrogen

Oxygen

Carbon dioxide

Carbon monoxide

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Question 2 of 10

3. Which of the following gas we use in breathing?

Carbon dioxide

Nitrogen

Oxygen

None of these

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Question 3 of 10

4. Wind is

air around us

rising hot air

air in motion

none of these

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Question 4 of 10

5. Air is present in

atmosphere

soil

water of ponds, lakes and seas

everywhere

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Question 5 of 10

6. Air is

a mixture

a pure substance

an element

anything, that depends on the place where it is found

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Question 6 of 10

7. Envelope of air that surrounds the earth is known as

biosphere

atmosphere

environment

ecosystem

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Question 7 of 10

8. Which is not a property of air?

It occupies space.

It is a solution.

It is a compound.

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Question 8 of 10

9. The ratio of nitrogen to oxygen in the air is

1:4

4:1

3:1

1:2

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Question 9 of 10

10. The main constituent of the air is.

nitrogen

oxygen

carbon dioxide

hydrogen

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Question 10 of 10