Which of the following are true regarding ionosphere?
A. I and II
B. I and III
C. II and III
D. I, II and III
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Arrange the following gases of the atmosphere in increasing order by volume:
A. I, II, III, IV
B. I, II, IV, III
C. III, IV, II, I
D. IV, III, II, I
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Wind in the Southern hemisphere is deflected towards left due to ________
A. Temperature variations
B. Rotation of the earth
C. Difference in pressure
D. Difference in water content
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Local thunderstorms 'Nor westers' are prominent in ________
A. Punjab
B. West Bengal
C. Andhra Pradesh
D. Tamil Nadu
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Which of the following winds is incorrectly paired with the area in which it prevails?
A. Berg wind - South eastern Africa
B. Karaburan - Tarim basin of Sinkiang
C. Southerly Burster - New South Wales
D. Hurricanes - New Zealand
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Relative humidity
A. Increases with increased temperature
B. Decreases with increased temperature
C. Decreases with decreased temperature
D. Has no relation with increase or decrease of temperature
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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. Fog
B. Hail
C. Sleet
D. Snowfall
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The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is ________
A. Depression
B. Doldrums
C. Horse-latitudes
D. Inter-tropical convergence
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In the Southern hemisphere the Westerlies blow from ________
A. North
B. North east
C. North west
D. South east
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Choose the incorrect statement ________
A. Capacity of air to hold moisture decreases with a rise in temperature of the air
B. The air pressure decreases with an increase in temperature
C. Absolute humidity is expressed in grams per cubic metre of air
D. With an ascent of every 165 metres, the temperature is reduced by 1°C
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Which of the following sequences of atmospheric layers is correct from below?
A. Stratosphere, Ionosphere, Tropopause, Troposphere
B. Ionosphere, Troposphere, Stratosphere, Tropopause
C. Troposphere, Tropopause, Stratosphere, Ionosphere
D. Tropopause, Troposphere, Ionosphere, Stratosphere
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The atmospheric layer farthest from the Earth's surface is known as
A. Stratosphere
B. Exosphere
C. Ionosphere
D. Mesosphere
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Anticyclones are caused by ________
A. Violent winds
B. Heavy rainfall
C. Winds that blow spirally outwards from the centre
D. Winds that blow spirally inwards
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The Trade winds are caused by ________
A. Rotation of the earth
B. Revolution of the earth
C. Inflowing movement of air along the earth's surface towards the equator
D. None of these
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Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
A. Nitrogen
B. Oxygen
C. Ozone
D. Water Vapour
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The velocity of winds is related to ________
A. The amount of moisture they carry
B. The nearness to the sea
C. Pressure gradient in the direction of their flow
D. The direction in which they blow
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Which one of the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia?
A. Tropical savanna
B. Mediterranean
C. Humid Continental
D. Low-latitude steppe
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Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur?
A. I and II
B. I, II and III
C. II, III and IV
D. I, III and IV
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The heat from Sun to Earth is called as
A. Temperature Radiation
B. Insolation
C. Emitted Heat
D. Solar Radiation
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An important gas in the atmosphere that absorbs sun's ultraviolet rays is
A. Oxygen
B. Nitrogen
C. Ozone
D. Hydrogen
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