Climatology MCQ

**Topic: Climatology:
1. The cold and dense downslope wind flowing from the mountain slope during the night is known as :
A. anabatic wind
B. khamsin
C. harmattan
D. katabatic wind.
2. Identify the chemically inactive or noble gas from the following :
A. Oxygen
B. Hydrogen
C. Argon
D. Carbon-di-oxide.
3. With reference to the sub-tropical high pressure belt, consider the following statements
I.It is affected by Earth’s rotation and descent of winds from higher altitudes
II.It dynamically induced and characterized with anti-cyclonic conditions
Which of the statement/statements given above is/are correct
A. I only
B. II only
C. Both I and II
D. Neither I nor II.
4. Atmospheric pressure generated on the earth’s surface is due to :
A. Earth’s rotation
B. Erath’s revolution
C. Gravitional force of the Earth
D. None of these.
5. Among the following gases which is/are responsible for climate change ?
A. Oxygen
B. Carbon-di-oxide
C. Nitrogen
D. Helium.
Ans. 1. D, 2,. C, 3. C, 4. C, 5. B.
6. Arrange the following gases present in atmosphere in the decreasing order of volume :
A. (I), (III), (III), (IV)
B. (II), (III), (IV), (I)
C. (III), (II), (IV), (I)
D. (IV), (III), (I), (II).
7. Increased Carbon-di-oxidein atmosphere results in :
A. uniform Earth temperature
B. increased volume of sea water
C. fall in Earth temperature
D. rise in Earth temperature.
8. What is the correct sequence of the atmospheric layers from bottom-to-top ?
A. Mesophere, Troposphere, Thermosphere, Stratosphere
B. Troposphere, Stratosphere, Mesophere, Thermosphere
C. Stratosphere, Troposphere, Mesophere, Thermosphere
D. Thermosphere, Troposphere, Stratosphere, Mesophere.
9. Which is the most suitable layer for flying of Jet aeroplanes ?
A. Troposphere
B. Mesophere
C. Thermosphere
D. Stratosphere.
10. Which instrument is used to measure the relative humidity in air ?
A. Hydrometer
B. Hygrometer
C. Hygrograph
D. Barometer.
*Ans. 6.C, 7.D, 8.B, 9.D, 10.B.
11. Psychrometer is an instrument used to measure :
A. relative humidity of air
B. atmospheric pressure
C. relative density of liquids
D. amount of actual evapotranspiration.
12. What is the cause behind frontal rain ?
A. tropical air meets cold polar air
B. cold air from sea
C. convection currents
D. none of these.
13. The contact of two air masses differing sharply in humidity originates :
A. stratospheric instability
B. tropical cyclones
C. inter tropical convergence
D. temperate xyclones.
14. What causes smog ?
A. due water pollution
B. due to Earth’s heat
C. due to air pollution
D. none of these.
15. In the Earth’s atmosphere, the atmospheric pressure :
A. remains constant with height
B. increases with height
C. decreases with height
D. first increases and then decreases with height.
*Ans. 11.A, 12.A, 13.D, 14.C, 15.C.
16. Which layer of the atmosphere extend’s from the Earth’s surface upto 6-8 miles and experiences decrease in temperature in constant rate ?
A. Stratosphere
B. Troposphere
C. Mesophere
D. Thermosphere.
17. What is the most important factor in thunderstorms development ?
A. Atmospheric stability
B. Atmospheric pressure
C. Atmospheric stability
D. Temperature inversion.
18. Which one of the following is not a form of precipitation ?
A. Hall
B. Fog
C. Snowfall
D. Rainfall.
19. Shadow effect is associated with which one of the following rainfall ?
A. Cyclonic rainfall
B. Orographic rainfall
C. Convectional rainfall
D. Frontal rainfall.
20. A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why ?
I.The presence of ozone causes the reflection of radio waves to Earth
II.Radio waves have a very long wavelength
A. I only
B. II only
C. Both I and II
D. Neither I nor II.
*Ans. 16.B, 17.A/C, 18.B, 19.B, 20.D.
***Mission Geography***


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