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. The dry wind ‘Santa Ana’ blows in ________
    A)Switzerland
    B)Siberia
    C)Argentina
    D)California
    Answer: California
  • Q. The total number of layers above Earth are
    A)2
    B)4
    C)5
    D)3
    Answer: 5
  • Q. Warm dry winds blowing down the east slopes of Rockies are known as ________
    A)Foehn
    B)Mistral
    C)Nor' westers
    D)Chinook
    Answer: Chinook
  • Q. What is the name of the layer closest to the Earth?
    A)Troposphere
    B)Ionosphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • Q. At low elevation which among the following clouds are to be found ?
    A)Cumulus
    B)Cirrus
    C)Nimbus
    D)Stratus
    Answer: Nimbus
  • Q. In which layer, temperature increases dramatically?
    A)Stratosphere
    B)Ionosphere
    C)Exosphere
    D)Troposphere
    Answer: Ionosphere
  • 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. Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
    A)Cirrostratus
    B)Altocumulus
    C)Cirrus
    D)Nimbostratus
    Answer: Nimbostratus
  • Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
    A)Decreases the relative humidity
    B)Raises the absolute humidity
    C)Produces no change in relative humidity
    D)Increases the relative humidity
    Answer: Decreases the relative humidity
  • 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. 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 of the following depletion results in the increase in the UV radiation on the Earth?
    A)Ozone
    B)Carbon monoxide
    C)Carbon dioxide
    D)Oxygen
    Answer: Ozone
  • 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
  • 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. The Trade winds are caused by ________
    A)Inflowing movement of air along the earth's surface towards the equator
    B)Rotation of the earth
    C)Revolution of the earth
    D)None of these
    Answer: Inflowing movement of air along the earth's surface towards the equator
  • 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. 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. 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. 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. Which are of the following is wrongly characterised?
    A)Sirocco – Sahara – spring - hot
    B)Chinook- Canada - winter - warm
    C)Khamsin – Egypt – spring - hot
    D)Mistral - Rhone Valley - summer – cold
    Answer: Mistral - Rhone Valley - summer – cold

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