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. 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. 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. Temperate lows are ________
    A)Polar regions which have very low temperatures
    B)Low pressure areas in cyclones
    C)Equatorial low pressure belt
    D)Sub-polar low pressure belts
    Answer: Sub-polar low pressure belts
  • Q. The capacity of the Atmosphere to hold water vapour
    A)Increases as the temperature decreases
    B)Increases as the temperature increases
    C)Decreases as the temperature increases
    D)Decreases as the temperature decreases
    Answer: Increases as the temperature increases
  • 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. 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. 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. When can one record the lowest temperature of air?
    A)At 3 a.m.
    B)Just before sunrise
    C)At midnight
    D)No fixed time
    Answer: Just before sunrise
  • 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. Choose the correct option with the correct sequence of the layers of atmosphere
    A)Exosphere, Troposphere, Ionosphere Mesosphere, Stratosphere
    B)Mesophere, Ionosphere, Exosphere, Troposphere, Stratosphere
    C)Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
    D)Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
    Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
  • Q. Which of these statements are correct regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth’s surface at sea level is called one atm sphere.
    A)2, 3 and 4
    B)1 and 4
    C)2 and 4
    D)1, 2 and 4
    Answer: 1, 2 and 4
  • Q. The radiation that heats earth’s atmosphere comes from the
    A)Ionosphere
    B)Sun
    C)Earth
    D)Sun and earth
    Answer: Sun
  • 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. Which of the following sequences of clouds in ascending order would one meet 500 metres and above the mean sea level?
    A)Cirrostratus, Stratus, Cumulo-nimbus
    B)Stratus, Nimbus, Cirrostratus, Cirrus
    C)Nimbus, Cirrostratus, Cirrocumulus, Stratus
    D)Stratus, Cirrostratus, Cumulo-numbus, Cirrocumulus
    Answer: Stratus, Nimbus, Cirrostratus, Cirrus
  • 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. Which is the lowest layer of Atmosphere?
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • Q. Mist is a result of which one of the following?
    A)Sublimation
    B)Condensation
    C)Evaporation
    D)Saturation
    Answer: Condensation
  • Q. Winds and air currents differ in the aspect that ________
    A)The winds blow on lands while air currents blow over seas and oceans
    B)Air currents blow much faster than winds
    C)Air currents are always moisture laden while the winds are usually dry
    D)Winds are horizontal movements of air while air currents are the vertical movements of air
    Answer: Winds are horizontal movements of air while air currents are the vertical movements of air
  • Q. The January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________
    A)12° C
    B)21° C
    C)18° C
    D)15° C
    Answer: 15° C
  • Q. Winds blow ________
    A)From a region of low pressure to a region of high pressure
    B)In regions of low pressure
    C)From a region of high pressure to a region of low pressure
    D)In regions of high pressure
    Answer: From a region of high pressure to a region of low pressure

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