NCERT Class 11 Chapter 11 Geography Water in the Atmosphere MCQ | Questions & Answers: Give your try for the NCERT Class 11 Chapter 11 Geography Water in the Atmosphere MCQ Quiz provided below. And make sure that you submit the answers to get the result for your response.

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1. What is the main source of atmospheric moisture?

A. river

B. rain water

C. lakes

D. ocean surface

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2. Amount of water present in air is known as

A. humidity

B. moisture

C. vapour

D. none of these

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3. Which factor controls evaporation?

A. temperature

B. aridity

C. movement of air

D. all of these

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4. At what temperature the given sample of air becomes saturated?

A. freezing point

B. absolute zero

C. dew point

D. none of these

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5. What is called the cooling of saturated air?

A. evaporation

B. condensation

C. freezing

D. dew formation

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6. The actual amount of water vapour present in the atmosphere is known as

A. humidity

B. absolute humidity

C. aridity

D. relative humidity

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7. The % of moisture present in the atmosphere as compared to its full capacity is known as

A. absolute humidity

B. relative humidity

C. humidity

D. none of these

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8. At what temperature does saturation occur?

A. freezing point

B. absolute zero

C. dew point

D. none of these

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9. Name the process by which liquid vapour changes into solid form

A. evaporation

B. condensation

C. dew formation

D. none of these

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10. Falling of frozen rain drops on the surface of the earth is known as

A. precipitation

B. sleet

C. both of these

D. none of these

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11. The amount of water vapour actually present per unit weight of air is known as

A. absolute humidity

B. relative humidity

C. specific humidity

D. none of these

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12. Which factors increase the rate of evaporation?

A. high temperature

B. clear sky

C. dry winds

D. all of these

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13. Which one is the form of precipitation?

A. snow

B. sleet

C. rainfall

D. all of these

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14. The unit of relative humidity is known as

A. percent

B. gram

C. volume

D. none of these

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15. Tiny droplets of water suspended in air are known as

A. mist

B. dew

C. smog

D. cloud

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16. Which factor controls the rate of evaporation?

A. temperature

B. moisture

C. movement of air

D. all of these

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17. When moist air comes into contact with cold air, it gets condensed around the floating dust particles. This is called

A. fog

B. dew

C. smog

D. mist

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18. Which one is the form of a cloud?

A. cirrus

B. cumulus

C. stratus

D. all of these

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19. Which type of clouds are formed at high altitude (8000-12000 m)?

A. cirrus

B. cumulus

C. stratus

D. nimbus

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20. Which type of clouds are formed at a height of (4000-7000 m)?

A. stratus

B. nimbus

C. cumulus

D. cirrus

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21. Which one is known as a type of layered clouds?

A. stratus

B. nimbus

C. cumulus

D. none of these

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22. On the basis of origin, rainfall is classified into types.

A. two

B. three

C. five

D. four

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23. In which area the cyclonic rain is most common?

A. easterlies

B. westerlies

C. temperate region

D. none of these

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24. The equatorial belt receives annual rainfall

A. 100-200 cm.

B. 200 cm

C. 50-100 cm

D. less than 50 cm.

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25. Which waves are most destructive?

A. body waves

B. surface waves

C. P-waves

D. S-waves

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