🌍 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
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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