Atmosphere, Winds, Humidity, Clouds, Rainfall Questions and Answers | Climatology MCQs

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1. Maximum amount of gas found in the air is
  1. oxygen
  2. hydrogen
  3. carbon dioxide
  4. nitrogen

Answer: nitrogen

2. The nearest atmospheric layer to the earth's surface is
  1. Stratosphere
  2. Thermosphere
  3. Troposphere
  4. Ionosphere

Answer: Troposphere

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3. Our atmosphere is divided into layers.
  1. Three
  2. Two
  3. Five
  4. Four

Answer: Five

4. A topographical map with scale 1 : 50000 indicates 1 cm to
  1. 500 m
  2. 50 km
  3. 5 km
  4. 50 m

Answer: 500 m

5. The planetary winds that blow from the sub-tropical high pressure belts to the equator are known as
  1. doldrums
  2. westerlies
  3. trade winds
  4. polar winds

Answer: trade winds

6. Which one of the following is not the example of planetary winds ?
  1. Monsoon
  2. Trade wind
  3. Land and sea breezes
  4. Chinook

Answer: Monsoon

7. The percentage increase in carbon dioxide concentration in atmosphere from pre-industrial times is approximately
  1. 55%
  2. 50%
  3. 74%
  4. 62%

Answer: 50%

8. The 'Hadley Cell' refers to a pattern of atmospheric circulation in which.
  1. Air rises at the equator and sinks at the poles.
  2. Air rises at the equator and sinks at about 30° north and south.
  3. Air rises at 60° north and south and sinks at the poles.
  4. Air circulates in a vertical direction only at the equator.

Answer: Air rises at the equator and sinks at about 30° north and south

9. The layer of atmosphere having lowest temperature is
  1. stratosphere
  2. troposphere
  3. mesosphere
  4. None of the above

Answer: mesosphere

10. Which of the following is the lowermost layer of the earth's atmosphere?
  1. Thermosphere
  2. Mesosphere
  3. Stratosphere
  4. Troposphere

Answer: Troposphere

11. Countries favourably influenced by Westerlies are ________
  1. Western Europe, British Columbia and East of U.S.A.
  2. South-West Africa and South Chile
  3. New Zealand
  4. All of these

Answer: All of these

12. Which of the following is the lowest atmospheric layer?
  1. Stratosphere
  2. Lithosphere
  3. Hydrosphere
  4. Troposphere

Answer: Troposphere

13. For short-term climatic predictions, which one of the following events, detected in the last decade, is associated with occasional weak monsoon rains in the India subcontinent?
  1. Movement of Jet Streams
  2. La Nina
  3. Green house effect on global level
  4. El-Nino and Southern Oscillations

Answer: El-Nino and Southern Oscillations

14. EL NINO Phenomenon is associated with :
  1. Cloud Bursting
  2. Earthquake
  3. Global Warming
  4. Acid Rain

Answer: Global Warming

15. Which of the following wind is known as 'Doctor'?
  1. Monsoon winds
  2. Land and sea breezes
  3. Mountain winds
  4. Valley winds

Answer: Land and sea breezes

16. Ozone layer is found in
  1. Thermosphere
  2. Troposphere
  3. Stratosphere
  4. Mesosphere

Answer: Stratosphere

17. Which is the warmest layer of the atmosphere?
  1. Thermosphere
  2. Troposphere
  3. Stratosphere
  4. Mesosphere

Answer: Thermosphere

18. Which is the warmest layer of the atmosphere?
  1. Thermosphere
  2. Troposphere
  3. Stratosphere
  4. Mesosphere

Answer: Thermosphere

19. What is stated in terms of grams of water vapour per kilogram of moist air?
  1. Relative humidity
  2. Specific humidity
  3. Absolute humidity
  4. Vapor pressure

Answer: Specific humidity

20. Which one of the following gases is found in highest quantity in Exosphere?
  1. Helium
  2. Hydrogen
  3. Oxygen
  4. Nitrogen

Answer: Hydrogen

21. According to the Köppen type of climate, the code Af represents:
  1. humid subtropical climate
  2. marine west coast climate
  3. tropical monsoon climate
  4. tropical wet climate

Answer: tropical wet climate

22. Which of the following is a permanent wind ?
  1. Easterlies and Monsoon winds
  2. Loo and Monsoon winds
  3. Trade winds and Westerlies
  4. More than one of the above

Answer: Trade winds and Westerlies

23. The hot and dry winds that help in the ripening of grapes in the Alps region is ________
  1. Chi nook
  2. Foehn
  3. Mistral
  4. Roaring Forties

Answer: Foehn

24. Which of the following countries has a constitutional provision for maintaining 70% of its geographical area under forest?
  1. Nepal
  2. Maldives
  3. Afghanistan
  4. Bhutan

Answer: Bhutan

25. In coastal areas, during the night, wind blows from land to sea because:
  1. low pressure is created on land
  2. land cools slower than water
  3. water cools slower than land
  4. More than one of the above

Answer: water cools slower than land

26. Agents of fog formation do not include ________
  1. High relative humidity
  2. Diurnal temperatures of short ranges
  3. Winter season
  4. Rapid radiation

Answer: Diurnal temperatures of short ranges

27. Which of the following characteristics does not belong to the hot and wet equatorial type of climate?
  1. There is no winter
  2. Afternoon Rains
  3. Uniform temperature throughout the year
  4. Orographic rain

Answer: Orographic rain

28. Air pressure is lowest in
  1. Spring season
  2. Winter season
  3. Summer season
  4. Autumn season

Answer: Summer season

29. Ozone layer is found in
  1. Thermosphere
  2. Troposphere
  3. Stratosphere
  4. Mesosphere

Answer: Stratosphere

30. Which one of the following local winds is different from the other three?
  1. Foehn
  2. Khamsin
  3. Mistral
  4. Sirocco

Answer: Mistral

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