CBSE Class 6 Science Air Around Us MCQs Set A

CBSE Class 6 Science Air Around Us MCQs Set A. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and NCERT guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and NCERT guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.



Class 6 Science MCQs-Air Around us

Take an empty glass bottle. Turn it, upside down. Now, dip the open mouth of the bottle into the bucket filled with water. Now tilt the bottle slightly. You can see bubbles coming out of the bottle or hear any bubbly sound. Which of the following cannot be inferred from this activity? 

a. Air is everywhere. It is present even in the empty bottle. 

b. Air does not have any colour and it is transparent 

c. Air has weight 

d. Air occupies space


2. Fix two small candles of the same size in the middle of two shallow containers. Now, fill the containers with some water. Light the candles and then cover each one of them with an inverted glass (one much taller than the other) Observe carefully what happens to the burning candles and the water level. What do you not infer from this experiment:

Class 6 Science MCQs-Air Around us


a. There is a component of air that is required for burning  

b. As that component has been consumed during burning the candles went off.  

c. The height of the water in the inverted glasses is 1/5th the height of the glass. It means that component is 1/5th of the air  

d. The remaining air is nitrogen  


3. Mountaineers carry oxygen cylinder with them because:  

a. The air is very cold up the mountain  

b. There is less air on the top of the mountain  

c. They feel happy carrying the oxygen cylinders  

d. Oxygen is required for burning  

4. Plants and animals consume oxygen for respiration and produce carbon dioxide. How is this carbon dioxide consumed to balance the carbon dioxide—oxygen balance. 

a. People stop breathing for some time 

b. Plants can be burnt to release oxygen 

c. Plants take in carbon dioxide and exhale oxygen during photosynthesis 

d. Oxygen comes into the earth’s atmosphere from outside. 


5. We should breathe through the nose and not by the mouth, because ____ 

a. it is a bad habit 

b. the air is moisturized when we breathe through mouth

c. the hair and mucus in our nostrils trap soot and dust particles present in the air 

d. it is natural phenomenon 


6. Take some water in a glass vessel or beaker. Heat it slowly on a tripod stand. Well before the water begins to boil, look carefully at the inner surface of the vessel. From where do these bubbles come?  

 a. These bubbles are due to the heating of water closer to the vessel  

b. These bubbles are due to extremely cold temperature of the water  

c. The dissolved air comes out of the water  

d. The bubbles are due to formation of fog  


7. Earth worms come out of the soil during rainy seasons because:  

a. The rain goes into the soil and reaches the water table. The earthworms come out to be relieved of the wet weather. 

b. The rain fills up the space between soil particles. The air comes out; Hence earthworms come out for breathing  

c. The earthworms come out to move around in the sun  

d. None of the above




CBSE Class 6 Science Air Around Us MCQs Set A

This is a wind mill. It uses air for:
a. Making it move and thus it is able to generate electricity
b. Making it move to show the direction of the wind
c. Making it move to show signals
d. Making it move to slow down vehicles

9. Air plays an important role in water cycle. How?
a. Air moves over the oceans
b. Air moves over the land
c. Air moves to evaporate water which then condenses on cooler layers
d. Air is everywhere.

10. Plants depend on animals and animals depend on plants. How?
a. Plants cannot get water without animals
b. Plants use carbon dioxide for preparing food and animals give out carbon dioxide during respiration. Thus a balance is maintained in the oxygen –carbon dioxide level.
c. Plants and animals cannot live without food and shelter.
d. None of the above.



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