Class 6 Science MCQ Chapter 15 Air Around Us

Class 6 Science MCQ Chapter 15 Air Around Us Solutions, SEBA Class 6 Science MCQ Chapter 15 Air Around Us Notes to each chapter is provided in the list so that you can easily browse throughout different chapter Assam Board Class 6 General Science Multiple Choice Question Answer and select needs one.

Class 6 Science MCQ Chapter 15 Air Around Us

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Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. SEBA Class 6 Science MCQ Notes PDF. These solutions are part of SCERT All Subject Solutions. Here we have given Class 6 Science Objective Types Solutions for All Subject, You can practice these here.

Air Around Us

Chapter – 15

MCQ

1. The layer of air around the earth is known as?

(a) Windmill.

(b) Atmosphere.

(c) Troposphere.

(d) Carbon dioxide.

Ans: (b) Atmosphere.

2. Air in motion is called?

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(a) Space.

(b) Oxygen.

(c) Wind.

(d) Smoke.

Ans: (c) Wind.

3. The component of air used by green plants to make their food is?

(a) Carbon dioxide.

(b) Oxygen.

(c) Nitrogen.

(d) Aragon.

Ans: (a) Carbon dioxide.

4. Aquatic animals use dissolved air in water for?

(a) Carbon dioxide.

(b) Photosynthesis.

(c) Windmill.

(d) Respiration.

Ans: (d) Respiration.

5. Which gas in the atmosphere is essential for respiration?

(a) Nitrogen.

(b) Carbon dioxide.

(c) Oxygen.

(d) No one of these.

Ans: (c) Oxygen.

6. What are the properties of air?

(a) If occupies space.

(b) It is present everywhere around us.

(c) It has no color and is transparent.

(d) All of these.

Ans: (d) All of these.

7. Moving air is called?

(a) Dust. 

(b) Smoke.

(b) Wind.

(c) Nitrogen.

Ans: (c) Wind.

8. Which components of air are harmful to living organisms?

(a) Gas and water.

(b) Oxygen and nitrogen.

(c) Dust and smoke.

(d) Nitrogen and phosphorus.

Ans: (c) Dust and smoke.

9. Air is present in?

(a) Atmosphere.

(b) Water.

(c) Soil.

(d) All of these.

Ans: (d) All of these.

10. From the following, which gas is used for breathing?

(a) Nitrogen.

(b) Oxygen.

(c) Carbon dioxide.

(d) All of these.

Ans: (b) Oxygen.

11. Air is considered to be?

(a) A mixture.

(b) oxygen.

(c) A nitrogen.

(d) No one of these.

Ans: (a) A mixture.

12. Smoke is produced mainly by burning?

(a) Wood. 

(b) Kerosene. 

(c) Coal.

(d) All of these.

Ans: (d) All of these.

13. Plants and animals consume oxygen for respiration and produce?

(a) Nitrogen.

(b) Carbon dioxide.

(c) Smoke.

(d) Air.

Ans: (b) carbon dioxide.

14. Process of preparation of food by green plants is known as?

(a) Photosynthesis.

(b) Respiration.

(c) Atmosphere.

(d) Carbon dioxide.

Ans: (a) Photosynthesis.

15. One of the components of air used to manufacture fertilisers on a large scale is?

(a) Oxygen.

(b) Carbon dioxide.

(c) Nitrogen.

(d) All of these.

Ans: (c) Nitrogen.

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