Atmosphere Geography

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

Correct Answer

Calm, clear and cool winter night

More Questions on Atmosphere

  • Q. Which of the following layers of the Earth’s atmosphere provide ideal flying conditions for Jet aircraft?
    A)Stratosphere
    B)Mesosphere
    C)Thermosphere
    D)Troposphere
    Answer: Stratosphere
  • Q. The contact of two air masses differing sharply in humidity originates:
    A)Temperate cyclones
    B)Tropical cyclones
    C)Inter-tropical convergence
    D)Tropospheric instability
    Answer: Temperate cyclones
  • 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 warmest layer of the atmosphere?
    A)Stratosphere
    B)Thermosphere
    C)Troposphere
    D)Mesosphere
    Answer: Thermosphere
  • Q. At low elevation which among the following clouds are to be found ?
    A)Cumulus
    B)Cirrus
    C)Nimbus
    D)Stratus
    Answer: Nimbus
  • Q. The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ________
    A)Ionosphere
    B)Troposphere
    C)Stratosphere
    D)Exosphere
    Answer: Stratosphere
  • 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. The innermost layer is the core with a radius of about ________ km.
    A)9500
    B)500
    C)6500
    D)3500
    Answer: 3500
  • Q. Which of the following are true with regard to temperature control of the atmosphere of a given place? I. The major temperature contrasts on earth’s surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter
    A)I and II
    B)I, III and IV
    C)II, III and IV
    D)II and IV
    Answer: I, III and IV
  • 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. 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. The layer of atmosphere which reflects radio waves is
    A)Stratosphere
    B)Ionosphere
    C)Troposphere
    D)Exosphere
    Answer: Ionosphere
  • Q. Which one of the following characteristics is not associated with the tropical cyclones?
    A)As the cold front passes, the weather changes very rapidly
    B)Before the cyclone arrives the air becomes very still and temperature and humidity are high
    C)As the front of the vertex arrives, gusty winds develop and thick clouds appear
    D)Calm conditions return when the eye of the cyclone arrives
    Answer: Calm conditions return when the eye of the cyclone arrives
  • 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 cauliflower shape is associated with which of the following cloud formations?
    A)Nimbus
    B)Stratus
    C)Cumulus
    D)Cirrus
    Answer: Cumulus
  • Q. A devastating Cloud Burst swept over Leh on August 2010. Which one of the following statements with regard to Cloud Burst is not correct?
    A)Cloud Burst occurs only in hilly areas
    B)Cloud Burst is a localized weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time
    C)Cloud Burst occurs due to upward movement of moisture laden air with sufficient rapidity to form cumulonimbus clouds
    D)There is no satisfactory technique till now for predicting Cloud Burst
    Answer: Cloud Burst occurs only in hilly areas
  • 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. 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
    Answer: Decreases with height
  • Q. Because of which one of the following factors, clouds do not precipitate in deserts?
    A)High wind velocity
    B)Low pressure
    C)Low humidity
    D)High temperature
    Answer: Low humidity
  • Q. Which one among the following forces is most powerful in determining movement of wind including its velocity ?
    A)Frictional force
    B)Gravitational force
    C)Centrifugal force
    D)Pressure gradient force
    Answer: Pressure gradient force

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