Composition and Structure of Atmosphere MCQ Questions for Class 11 Geography Chapter 8 with Answers

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Fundamentals of Physical Geography: MCQ Questions for Class 11 Geography with Answers


Q1. Chief elements of the atmosphere are

(A) wind
(B) temperature
(C) pressure
(D) all of them

(D) all of them


Q2. What is the percentage of air in the atmosphere?

(A) 32
(B) 99
(C) 0.1
(D) 21

(B) 99


Q3. The zone separating troposphere from stratosphere is known as

(A) tropopause
(B) stratopause
(C) mesopause
(D) none of these

(A) tropopause.


Q4. Which gas is opaque to the outgoing terrestrial radiation?

(A) Dust Particles
(B) Ozone
(C) Carbon dioxide
(D) Water Vapour

(C) Carbon dioxide


Q5. Which one of the following gases is transparent to incoming solar radiation and opaque to outgoing terrestrial radiation?

(A) Oxygen
(B) Nitrogen
(C) Helium
(D) Carbon dioxide

(D) Carbon dioxide


Q6. Agents of fog formation do not include

(A) High relative humidity
(B) Diurnal temperatures of short ranges
(C) Winter season
(D) Rapid radiation

(C) Winter season


Q7. Which one is the variable gas in the atmosphere?

(A) carbon dioxide
(B) water vapour
(C) dust particles
(D) smoke

(B) water vapour.


Q8. The uppermost layer of the atmosphere is

(A) Mesosphere
(B) Exosphere
(C) Ionosphere
(D) Stratosphere

(B) exosphere


Q9. The equipment to measure atmospheric humidity is

(A) Anemometer
(B) Psychrometer
(C) Hydrometer
(D) Lysimeter

(B) Psychrometer


Q10. What is the % of nitrogen in the atmosphere?

(A) 20.95%
(B) 78.08%
(C) 20%
(D) 80%

(B) 78.08%.


Q11. The radiations that heat earth’s atmosphere, comes from the

(A) Sun
(B) Earth
(C) Ionosphere
(D) Sun and Earth

(B) Earth


Q12. Excess carbon dioxide in the atmosphere due to pollution will cause

(A) Earth’s temperature to rise.
(B) Earth’s temperature to fall.
(C) Decrease in weather phenomenon.
(D) Ozone layer to become thicker.

(A) Earth’s temperature to rise.


Q13. Which gas acts as a filter and protects us from the ultra violet rays?

(A) oxygen
(B) nitrogen
(C) ozone
(D) carbon dioxide

(C) ozone.


Q14. Atmospheric layer important for human beings is:

(A) Stratosphere
(B) Mesosphere
(C) Troposphere
(D) Ionosphere

(C) Troposphere


Q15. Name the gas which is useful for plants

(A) oxygen
(B) carbon dioxide
(C) argon
(D) hydrogen

(B) carbon dioxide.


We hope the given NCERT MCQ Questions for Class 11 Geography book Chapter 8 Composition and Structure of Atmosphere with Answers PDF Free Download solution will definitely help you to achieve perfect score. If you have any queries related to CBSE Class 11 Geography book Chapter 8 Composition and Structure of Atmosphere with Answers MCQs Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.


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