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

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 6 Science book Chapter 15 Air Around Us with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 6 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Air Around Us. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 6 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 6 Science with Answers

Q1. Which of the following gas helps in burning?

(i) Nitrogen
(ii) Oxygen
(iii) Carbon dioxide
(iv) Carbon monoxide

(ii) Oxygen

Q2. contains few gases and fire dust particle.

(i) Wind
(ii) Vapour
(iii) Atmosphere
(iv) Smoke

(iv) Smoke

Q3. Moving air is called

(i) dust
(ii) smoke
(iii) wind
(iv) nitrogen

(iii) wind

Q4. The layer of air around the earth surface is called

(i) Hydrosphere
(ii) Lithosphere
(iii) Atmosphere
(iv) Stratosphere

(iii) Atmosphere

Q5. Wind is

(i) air around us
(ii) rising hot air
(iii) air in motion
(iv) none of these

(iii) air in motion

Q6. The properties of air are:

(i) It has no colour
(ii) It occupies space
(iii) It is transparent
(iv) All of these

(iv) All of these

Q7. The composition of nitrogen gas in the atmosphere is

(i) 21%
(ii) 78%
(iii) 1%
(iv) 0.01%

(ii) 78%

Q8. The components of air which are harmful to living beings are

(i) Nitrogen and carbon dioxide
(ii) Dust and water vapour
(iii) Smoke and water vapour
(iv) Dust and smoke

(iv) Dust and smoke

Q9. Air is

(i) a mixture
(ii) a pure substance
(iii) an element
(iv) anything, that depends on the place where it is found

(i) a mixture

Q10. When the bottle was tilted, the air was able to come out in the form of.

(i) Gas
(ii) Smoke
(iii) Vapour
(iv) Bubbles

(iv) Bubbles

Q11. Smoke is produced mainly by burning

(i) wood
(ii) coal
(iii) kerosene
(iv) all of these

(iv) all of these

Q12. Finer hair inside the nose

(i) Filter the microbes
(ii) Prevent the water vapour
(iii) Prevent the carbon dioxide gas
(iv) Filter the dust particle

(iv) Filter the dust particle

Q13. Which is not a property of air?

(i) It occupies space.
(ii) It is transparent,
(iii) It is a solution.
(iv) It is a compound.

(iv) It is a compound.

Q14. What is the percentage of nitrogen and oxygen in air ?

(i) 98%
(ii) 99%
(iii) 97%
(iv) 100%

(ii) 99%

Q15. Air is considered to be

(i) a compound
(ii) a mixture
(iii) an element
(iv) a solvent

(ii) a mixture

Q16. Which of the following is combustible?

(i) Oxygen
(ii) Carbon dioxide
(iii) Hydrogen
(iv) All of these

(iii) Hydrogen

Q17. The main constituent of the air is.

(i) nitrogen
(ii) oxygen
(iii) carbon dioxide
(iv) hydrogen

(i) nitrogen

Q18. Which component of air is used by green plants to make their food ?

(i) Oxygen
(ii) Nitrogen
(iii) Carbon dioxide
(iv) None of these

(iii) Carbon dioxide

Q19. Envelope of air that surrounds the earth is known as

(i) biosphere
(ii) atmosphere
(iii) ecosystem
(iv) environment

(ii) atmosphere

Q20. When we heat water, we find bubbles coming from it. This shows that

(i) water contains air.
(ii) air contains water.
(iii) water itself converts into bubbles.
(iv) water contains dissolved minerals.

(i) water contains air.

Q21. Nitrogen, oxygen, carbon dioxide, water vapour and a few gases are:

(i) Wind
(ii) Components of air
(iii) Atmosphere
(iv) None of these

(ii) Components of air

Q22. Air is present in

(i) atmosphere
(ii) soil
(iii) water
(iv) everywhere

(iv) everywhere

Q23. Name the object which is inflated by air

(i) Balloons
(ii) Table
(iii) Buckets
(iv) Chair

(i) Balloons

Q24. During storms the wind blows at a very.

(i) Medium speed
(ii) High speed
(iii) Low speed
(iv) None of these

(ii) High speed

Q25. Which components of air are harmful to living organisms?

(i) Nitrogen and oxygen
(ii) Dust and smoke
(iii) Oxygen and carbon dioxide
(iv) Smoke and water vapour

(ii) Dust and smoke

Q26. Moisture in air is called

(i) Atmosphere
(ii) Humidity
(iii) Water vapour
(iv) Respiration

(ii) Humidity

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MCQ Questions for Class 6 Science with Answers

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