Air Around Us (CBSE Class-6 Science): Questions 8 - 14 of 19

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Question number: 8

» Air Around Us » Oxygen for Aquatic Animals & Plants » Air in Soil

MCQ▾

Question

The animals which live inside the soil get oxygen for breathing from the air present between the:

Choices

Choice (4) Response

a.

Water

b.

Soil particles

c.

Air

d.

All of the above

Question number: 9

» Air Around Us » Composition of Air » Carbon Dioxide

MCQ▾

Question

Gas used in fire extinguishers is:

Choices

Choice (4) Response

a.

Oxygen

b.

Carbon-dioxide

c.

Nitrogen

d.

All of the above

Question number: 10

» Air Around Us » Composition of Air » Dust and Smoke

MCQ▾

Question

Why the traffic policeman wears mask?

Choices

Choice (4) Response

a.

To protect themselves from UV rays

b.

To protect themselves from sun rays

c.

To protect themselves from smoke

d.

All of the above

Question number: 11

» Air Around Us » Composition of Air » Oxygen

MCQ▾

Question

Supporter of combustion is:

Choices

Choice (4) Response

a.

Carbon-dioxide

b.

Oxygen

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 12

» Air Around Us » Oxygen Cycle » Photosynthesis

MCQ▾

Question

The process by which the lost oxygen is continuously replenished in the air is called as:

Choices

Choice (4) Response

a.

Photosynthesis

b.

Respiration

c.

Oxygen Cycle

d.

Question does not provide sufficient data or is vague

Question number: 13

» Air Around Us » Role of Air » Windmill

MCQ▾

Question

Blowing air is used to turn the:

Choices

Choice (4) Response

a.

Blades of wind mill

b.

Wheels of wind mill

c.

Wind mill

d.

Question does not provide sufficient data or is vague

Question number: 14

» Air Around Us » Composition of Air » Oxygen

MCQ▾

Question

The gas which is used in respiration to break down the food to give energy is:

Choices

Choice (4) Response

a.

Oxygen

b.

Carbon-dioxide

c.

Nitrogen

d.

All of the above

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