MEDIUM
6th CBSE
IMPORTANT
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Air is a  mainly containing oxygen, nitrogen and argon.

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Important Questions on Air Around Us

MEDIUM
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 1
Nitrogen to oxygen ratio in the air is 1 : 4.
MEDIUM
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 2
Burning of fossil fuels is one of the major sources of atmospheric oxygen.
EASY
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 3
Wind energy can be used for generating electricity using windmills.
EASY
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 4
During photosynthesis, plants make carbohydrates from carbon dioxide and water.
EASY
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 5
Fish get the needed oxygen through their gills.
HARD
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 1

Write the odd-one out giving the reason.

 Air, Oxygen, Nitrogen, Nitrogen dioxide, Water vapour

HARD
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 2

Write the odd-one out giving the reason.

Respiration, Burning, Combustion, Photosynthesis

HARD
6th CBSE
IMPORTANT
Science Based on the Rationalised NCERT Content>Chapter 11 - Air Around Us>Exercises>Q 3

Write the odd-one out giving the reason.

Oxygen, Carbon dioxide, Photosynthesis, Chlorophyll, Wind energy