Chapter: Air Geography

How much oxygen present in air .

• 21

• 82

• 32

• 12

Stratosphere contains a layer of which gas?

• Nitrogen

• Ozone

• Oxygen

• Carbon

Which gases make the bulk of the atmosphere?

• Nitrogen

• Oxygen

• Both a and b

• None of these

Which gas creates green house effect in the atmosphere?

• Carbon dioxide

• Ozone

• Oxygen

• None of these

Which of the following layers of atmosphere is free from clouds?

• Troposphere

• Stratosphere

• Exosphere

• Mesosphere

When precipitation comes down to the earth in the liquid form,it is called as

• Cloud

• Snow

• Rain

• Fog

Can we see and touch air?

• Yes

• NO

With it, we feel the air

• sun
• rain
• wind

what are the layer of the atmosphere ?

• Troposphere,Stratosphere,Meosphere,Thermosphere,Exosphere

• Exosphere,Thermosphere,Mesosphere,Stratosphere,Troposphere

The large part of the air is covered by ___________.

• Nitrogen

• Oxygen