Atmosphere Geography

Q. What causes snowfall?

A
When condensation takes place in form of fog and precipitation occurs as flakes
B
When condensation takes place below 0° C and precipitation occurs in the form of flakes
C
When rain freezes into snow-flakes while passing through the atmosphere
D
When the air temperature is much lower than surface temperature

Correct Answer

When condensation takes place below 0° C and precipitation occurs in the form of flakes

More Questions on Atmosphere

  • Q. The core of the Earth is also known as
    A)Barysphere
    B)Lithosphere
    C)Mesosphere
    D)Centrosphere
    Answer: Barysphere
  • Q. Temperature generally decreases towards the poles because ________
    A)Cold surfaces do not absorb solar energy as readily as warm surfaces
    B)Air movement is generally towards the. equator
    C)Cold polar air masses prevent surface heating of the land
    D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
    Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
  • Q. Consider the following statements: 1. Mistral is a cold wind blowing in North America. 2. Sirocco is a hot dry wind blowing across the North African coast. Which of the statement(s) given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. The cold and dense air blowing down the mountain slope during the night is known as ________
    A)Katabatic wind
    B)Anabatic wind
    C)Khamsin
    D)Harmattan
    Answer: Katabatic wind
  • Q. The atmospheric layer farthest from the Earth’s surface is known as
    A)Ionosphere
    B)Stratosphere
    C)Exosphere
    D)Mesosphere
    Answer: Exosphere
  • Q. Very strong and cold icy winds that blow in the Polar regions are called ________
    A)Blizzards
    B)Typhoons
    C)Tornadoes
    D)Polar winds
    Answer: Blizzards
  • Q. Consider the following statements: 1. Either of the two belts over the oceans at about 30° to 35° N and S Latitudes is known as Horse Latitude. 2. Horse latitudes are low pressure belts. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 1 only
  • Q. A temperature inversion is most likely to occur under which of the following conditions?
    A)Calm, cloudy and humid night
    B)Mountain top in late evening
    C)Windy but cloudy night
    D)Calm, clear and cool winter night
    Answer: Calm, clear and cool winter night
  • Q. Which gas is found in maximum quantity in lower atmosphere?
    A)Oxygen
    B)Hydrogen
    C)Carbon dioxide
    D)Nitrogen
    Answer: Nitrogen
  • Q. The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is ________
    A)Horse-latitudes
    B)Depression
    C)Doldrums
    D)Inter-tropical convergence
    Answer: Depression
  • 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. Which of the following statements characterize the anticyclones? 1. Anticyclones are low pressure systems. 2. They are characterized by divergent wind circulation. 3. They are indicative of dry weather conditions. Select the correct answer using the codes given below
    A)1, 2 and 3
    B)2 and 3
    C)1 and 3
    D)1 only
    Answer: 2 and 3
  • Q. Local thunderstorms ‘Nor westers’ are prominent in ________
    A)Andhra Pradesh
    B)Punjab
    C)West Bengal
    D)Tamil Nadu
    Answer: West Bengal
  • 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. Doldrums are ________
    A)High pressure areas on mountains
    B)High latitudes with heavy snow
    C)Equatorial zone with low pressure
    D)Sub-polar zone with high pressure
    Answer: Equatorial zone with low pressure
  • Q. The total number of layers above Earth are
    A)2
    B)4
    C)5
    D)3
    Answer: 5
  • Q. Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when ________
    A)Prevailing out-blowing winds cross the lake in winter
    B)The water is shallow
    C)The lake is high above sea level
    D)The lake is a basin of inland drainage
    Answer: Prevailing out-blowing winds cross the lake in winter
  • 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. Choose the incorrect statement ________
    A)Absolute humidity is expressed in grams per cubic metre of air
    B)Capacity of air to hold moisture decreases with a rise in temperature of the air
    C)The air pressure decreases with an increase in temperature
    D)With an ascent of every 165 metres, the temperature is reduced by 1°C
    Answer: Absolute humidity is expressed in grams per cubic metre of air
  • Q. In the atmosphere of the primitive earth there was no ________
    A)Nitrogen
    B)Oxygen
    C)Carbon dioxide
    D)Ammonia
    Answer: Oxygen

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