Composition and Structure of Atmosphere MCQ Class 11 Geography Chapter 8

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

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 11 Geography Chapter 8 Composition and Structure of Atmosphere with Answers by expert subject teacher for latest syllabus and examination. Prepare effectively for the exam taking the help of the Class 11 Geography Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Composition and Structure of Atmosphere. Each Questions has four options followed by the right answer. Download the Geography Quiz Questions with Answers for Class 11 free Pdf and prepare to exam and help students understand the concept very well.

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

Q1. What is the percentage of air in the atmosphere?

(i) 32
(ii) 99
(iii) 0.1
(iv) 21

(ii) 99

Q2. Which gas is opaque to the outgoing terrestrial radiation?

(i) Dust Particles
(ii) Ozone
(iii) Carbon dioxide
(iv) Water Vapour

(iii) Carbon dioxide

Q3. Agents of fog formation do not include

(i) High relative humidity
(ii) Diurnal temperatures of short ranges
(iii) Winter season
(iv) Rapid radiation

(iii) Winter season

Q4. The uppermost layer of the atmosphere is

(i) Mesosphere
(ii) Exosphere
(iii) Ionosphere
(iv) Stratosphere

(ii) exosphere

Q5. What is the % of nitrogen in the atmosphere?

(i) 20.95%
(ii) 78.08%
(iii) 20%
(iv) 80%

(ii) 78.08%.

Q6. Excess carbon dioxide in the atmosphere due to pollution will cause

(i) Earth’s temperature to rise.
(ii) Earth’s temperature to fall.
(iii) Decrease in weather phenomenon.
(iv) Ozone layer to become thicker.

(i) Earth’s temperature to rise.

Q7. Atmospheric layer important for human beings is:

(i) Stratosphere
(ii) Mesosphere
(iii) Troposphere
(iv) Ionosphere

(iii) Troposphere

Q8. Which of the following gases absorbs ultraviolet rays?

(i) Carbon Dioxide
(ii) Neon
(iii) Ozone
(iv) Nitrogen

(iii) Ozone

Q9. Name the gas which is useful for plants

(i) oxygen
(ii) carbon dioxide
(iii) argon
(iv) hydrogen

(ii) carbon dioxide.

Q10. Earth absorbs more

(i) Humidity.
(ii) Heat.
(iii) Gases.
(iv) Water Vapour.

(ii) Heat.

Q11. Why the Earth is having its own atmosphere?

(i) Winds
(ii) Clouds
(iii) Gravity
(iv) Rotation of the Earth

(iii) Gravity

Q12. Which zone separates the troposphere from the stratosphere?

(i) Mesospause
(ii) Tropopause
(iii) Ionospause
(iv) Stratopause

(ii) Tropopause

Q13. What percentage of carbon dioxide is found in air?

(i) 0.036%
(ii) 0.93%
(iii) 0.002%
(iv) 0,3%

(i) 0.036%.

Q14. Which one of the following gases constitute the major portion of atmosphere?

(i) Oxygen
(ii) Nitrogen
(iii) Argon
(iv) Carbon dioxide

(ii) Nitrogen

Q15. The mesosphere lies above the

(i) troposphere
(ii) stratosphere
(iii) ionosphere
(iv) exosphere

(ii) stratosphere

Q16. What envelopes the earth all round?

(i) Hydrosphere
(ii) Lithosphere
(iii) Atmosphere
(iv) Biosphere

(iii) Atmosphere

Q17. Which gas acts as a filter and protects us from the ultra violet rays?

(i) oxygen
(ii) nitrogen
(iii) ozone
(iv) carbon dioxide

(iii) ozone.

Q18. The radiations that heat earth’s atmosphere, comes from the

(i) Sun
(ii) Earth
(iii) Ionosphere
(iv) Sun and Earth

(ii) Earth

Q19. The equipment to measure atmospheric humidity is

(i) Anemometer
(ii) Psychrometer
(iii) Hydrometer
(iv) Lysimeter

(ii) Psychrometer

Q20. Which one is the variable gas in the atmosphere?

(i) carbon dioxide
(ii) water vapour
(iii) dust particles
(iv) smoke

(ii) water vapour.

Q21. Which one of the following gases is transparent to incoming solar radiation and opaque to outgoing terrestrial radiation?

(i) Oxygen
(ii) Nitrogen
(iii) Helium
(iv) Carbon dioxide

(iv) Carbon dioxide

Q22. The zone separating troposphere from stratosphere is known as

(i) tropopause
(ii) stratopause
(iii) mesopause
(iv) none of these

(i) tropopause.

Q23. Chief elements of the atmosphere are

(i) wind
(ii) temperature
(iii) pressure
(iv) all of them

(iv) all of them

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