More Questions on Atmosphere
- Q. In the atmosphere of the primitive earth there was no ________
A)Nitrogen
B)Oxygen
C)Carbon dioxide
D)Ammonia
Answer: Oxygen
- Q. Relative humidity of the atmosphere is directly affected by ________
A)Change in the direction of winds
B)Change in atmospheric pressure
C)Change in atmospheric temperature
D)None of these
Answer: Change in atmospheric temperature
- Q. Consider the following statements: 1. Troposphere varies in its thickness between equator and poles. 2. Stratosphere does not experience Normal Lapse Rate. 3. Ozone layer occurs in the Mesosphere. 4. Ionosphere lies between Stratosphere and Mesosphere Which of these statements are correct?
A)3 and 4
B)1 and 2
C)2 and 3
D)1, 2 and 4
Answer: 1 and 2
- Q. Wind in the Southern hemisphere is deflected towards left due to ________
A)Difference in pressure
B)Temperature variations
C)Rotation of the earth
D)Difference in water content
Answer: Rotation of the earth
- Q. What is the percentage of Nitrogen in atmosphere of the Earth?
A)78.03
B)0.94
C)0.03
D)85.02
Answer: 78.03
- Q. Doldrums are belts of low atmospheric pressure obtained in the regions adjoining the equator to a distance of ________
A)5° latitude towards north and south
B)5° latitude towards the north only
C)5° latitude towards the south only
D)15° latitude towards north and south
Answer: 5° latitude towards north and south
- Q. The water content in the atmosphere ________
A)Decreases as temperature increases
B)Is independent of temperature
C)Increases as temperature increases
D)Either increases or decreases with temperature increase
Answer: Decreases as temperature increases
- Q. In the northern hemisphere, currents are deflected to their right due to ________
A)Cyclonic storms
B)Centrifugal force
C)Coriolis force
D)None of these
Answer: Coriolis force
- Q. Which is the lowest layer of Atmosphere?
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
- Q. The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth’s surface is called ________
A)Sleet
B)Fog
C)Hail
D)Snowfall
Answer: Sleet
- Q. The amount of actual water vapour of air is known as ________
A)Relative humidity
B)Absolute humidity
C)Dew point
D)Condensation point
Answer: Absolute humidity
- Q. What is the name of the layer closest to the Earth?
A)Troposphere
B)Ionosphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
- Q. What do you understand by the term ‘Advection’ ?
A)Heat is transferred vertically through the air
B)Heat is transferred horizontally by winds
C)Heat is transferred horizontally by both winds and ocean currents
D)Heat is transferred horizontally through ocean currents
Answer: Heat is transferred horizontally by both winds and ocean currents
- Q. Which of the following characterises the Foehn? I. It is warm II. It is humid III. It is common in the valleys of the northern Alps IV. It blows in winter
A)I, III and IV
B)I, II and IV
C)I, II and III
D)I, II, III and IV
Answer: I, III and IV
- Q. Lapse rate is related to the decrease of ________
A)Temperature at 1°F for an ascent of 330 feet
B)Wind velocity with an ascent of 300 feet
C)Humidity with an ascent of 450 feet
D)Pressure with an ascent of 500 feet
Answer: Temperature at 1°F for an ascent of 330 feet
- Q. Troposphere is the hottest part of the atmosphere because
A)It is heated by the Earth's surface
B)It is closest to the Sun
C)There are charged particles in it
D)Heat is generated in it
Answer: It is heated by the Earth's surface
- Q. Agents of fog formation do not include ________
A)Winter season
B)High relative humidity
C)Diurnal temperatures of short ranges
D)Rapid radiation
Answer: Diurnal temperatures of short ranges
- Q. The albedo of which one among the following is the highest?
A)Melting snow
B)Cirrus cloud
C)Cumulonimbus cloud
D)Sand
Answer: Cirrus cloud
- Q. Transfer of surplus heat from the lower latitudes to higher latitudes is done by : I. ocean currents II. planetary winds III. tides IV. waves
A)I and IV
B)I and II
C)III and IV
D)II and III
Answer: I and II
- Q. Which of the following statements about Stratosphere is incorrect?
A)It is not free from the violent weather changes occurring on the earth
B)It is the region in the atmosphere above tropopause
C)It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth
D)It provides ideal flying conditions
Answer: It is not free from the violent weather changes occurring on the earth
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