Q. A temperature inversion is most likely to occur under which of the following conditions?

Correct Answer

Calm, clear and cool winter night

More Questions on Atmosphere

  • Q. Mist is a result of which one of the following?
    A)Sublimation
    B)Condensation
    C)Evaporation
    D)Saturation
    Answer: Condensation
  • Q. What is the name of the layer above Earth’s surface which is located at the height of 8km from poles and 16km from the equator?
    A)Troposphere
    B)Mesosphere
    C)Atmosphere
    D)Stratosphere
    Answer: Troposphere
  • Q. Condensation is a process which occurs when
    A)Temperature in the air parcel remains static
    B)Temperature falls below 0°C
    C)Absolute humidity becomes equal to relative humidity
    D)Relative humidity becomes 100% and more
    Answer: Relative humidity becomes 100% and more
  • Q. The hot and dry winds that help in the ripening of grapes in the Alps region is ________
    A)Mistral
    B)Chi nook
    C)Foehn
    D)Roaring Forties
    Answer: Foehn
  • Q. Anticyclones are caused by ________
    A)Winds that blow spirally outwards from the centre
    B)Violent winds
    C)Heavy rainfall
    D)Winds that blow spirally inwards
    Answer: Winds that blow spirally outwards from the centre
  • 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. Which one among the following statements relating to an anticyclone is correct?
    A)The contribution of an anticyclone towards determining weather of an area is quite significant
    B)Anticyclone is a wind system with a high pressure centre
    C)In anticyclone the movement of wind is inward
    D)The movement of wind is clockwise in an anticyclone of southern hemisphere
    Answer: Anticyclone is a wind system with a high pressure centre
  • Q. In the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums is called ________
    A)Polar Easterly
    B)Westerly wind
    C)Trade wind
    D)Jet Stream
    Answer: Trade wind
  • 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. 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. 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. With reference to the sub-tropical high pressure belt, consider the following statements: 1. It is affected by Earth’s rotation and descent of winds from higher altitudes. 2. It is dynamically induced and characterized with anti-cyclonic conditions. Which of the statement(s) given above is/are correct?
    A)2 only
    B)1 only
    C)Both 1 and 2
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. Atmospheric pressure exerted on earth is due to ________
    A)Revolution of earth
    B)Gravitational pull of the earth
    C)Rotation of earth
    D)Uneven heating of earth
    Answer: Gravitational pull of the earth
  • 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. Venus has atmosphere made up of
    A)Helium
    B)Ammonia
    C)Carbon dioxide
    D)Hydrogen
    Answer: Carbon dioxide
  • Q. The portion of the atmosphere which extends from the earth’s surface upto 6-8 miles and experiences decrease in temperature at constant rate is ________
    A)Troposphere
    B)Stratosphere
    C)Tropopause
    D)Ionosphere
    Answer: Troposphere
  • Q. Which of the following is located at the minimum height from the Earth?
    A)Thermosphere
    B)Stratosphere
    C)Mesosphere
    D)Troposphere
    Answer: Troposphere
  • 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. 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. Fogs formed along, the sea-coast are due to ________
    A)Convection
    B)Advection
    C)Radiaton
    D)Conduction
    Answer: Advection

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