HARD
7th CBSE
IMPORTANT
Earn 100

What are the main features of the troposphere?

Important Questions on Composition and Structure of the Atmosphere
HARD
7th CBSE
IMPORTANT
Why does the density of air decrease with an increase in height?

EASY
7th CBSE
IMPORTANT
Which of the following gas present in the atmosphere is important for the growth of plants?

EASY
7th CBSE
IMPORTANT
Which gas protects us from the ultraviolet rays of the sun?

EASY
7th CBSE
IMPORTANT
Which of the following layers of the atmosphere form the uppermost layer?

EASY
7th CBSE
IMPORTANT
The air in the atmosphere is a _____ of many gases.(separation/mixture)

MEDIUM
7th CBSE
IMPORTANT
Jet planes normally fly in the lower part of the _____.(troposphere/stratosphere/mesosphere)

EASY
7th CBSE
IMPORTANT
Nitrogen is directly absorbed by plants.

EASY
7th CBSE
IMPORTANT
There is horizontal movement of air in the stratosphere.
