Thursday, 22 January 2026

 

🌍 Class 7 Geography – Chapter 4
Air
MCQs Worksheet with Answers


Choose the correct answer:

1. The thick blanket of air surrounding the Earth is called:

a) Hydrosphere
b) Lithosphere
c) Atmosphere
d) Biosphere

Answer: c) Atmosphere


2. Which gas makes up the largest part of the atmosphere?

a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen

Answer: c) Nitrogen


3. The layer of atmosphere in which we live is:

a) Stratosphere
b) Mesosphere
c) Troposphere
d) Thermosphere

Answer: c) Troposphere


4. Which layer of the atmosphere contains the ozone layer?

a) Troposphere
b) Stratosphere
c) Mesosphere
d) Exosphere

Answer: b) Stratosphere


5. The day-to-day condition of the atmosphere is called:

a) Climate
b) Season
c) Weather
d) Monsoon

Answer: c) Weather


6. The average weather condition of a place over a long period is called:

a) Weather
b) Climate
c) Temperature
d) Rainfall

Answer: b) Climate


7. Moving air is known as:

a) Breeze
b) Storm
c) Wind
d) Pressure

Answer: c) Wind


8. Air moves from:

a) Low pressure to high pressure
b) High pressure to low pressure
c) Equator to poles
d) Poles to equator

Answer: b) High pressure to low pressure


9. Which gas is mainly responsible for greenhouse effect?

a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen

Answer: c) Carbon dioxide


10. Which of the following causes air pollution?

a) Plantation
b) Rainfall
c) Vehicle smoke
d) Wind

Answer: c) Vehicle smoke


📝 Exam Tip:
Remember gas percentages, layers in order, and the difference between weather and climate. MCQs usually test basic definitions.

Prepared by Shaktimatha Learning 🌟
NCERT Based • Clear Concepts • Student Friendly

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