Air Around Us-Composition of Air (CBSE Class-6 Science): Questions 9 - 10 of 10

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Question number: 9

» Air Around Us » Composition of Air » Nitrogen

MCQ▾

Question

Components of which gas is essential for the growth of living things:

Choices

Choice (4) Response

a.

Nitrogen

b.

Oxygen

c.

Carbon-dioxide

d.

All of the above

Question number: 10

» Air Around Us » Composition of Air » Carbon Dioxide

MCQ▾

Question

The carbon-dioxide gas present in air is important to green plants because they:

Choices

Choice (4) Response

a.

Need carbon-dioxide to make food

b.

Need carbon-dioxide for respiration

c.

Breathe in carbon-dioxide

d.

All of the above

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