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 one of the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia?
    A)Humid Continental
    B)Tropical savanna
    C)Mediterranean
    D)Low-latitude steppe
    Answer: Mediterranean
  • Q. The velocity of winds is related to ________
    A)Pressure gradient in the direction of their flow
    B)The amount of moisture they carry
    C)The nearness to the sea
    D)The direction in which they blow
    Answer: Pressure gradient in the direction of their flow
  • 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. Which of the following is produced by the rapid ascent of moist air?
    A)Hail
    B)Frost
    C)Fog
    D)Snow
    Answer: Hail
  • Q. The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
    A)Fog
    B)Smog
    C)Frost
    D)Dew
    Answer: Smog
  • Q. Which of the following is especially true of anticyclones in the southern hemisphere?
    A)They often form over continents
    B)The air moves in a circular manner
    C)Pressure increases from the outside to the centre
    D)The air moves in an anti-clockwise direction
    Answer: The air moves in an anti-clockwise direction
  • Q. Smog is likely to occur ________
    A)On calm, clear and cool nights
    B)Around valleys
    C)Near lakes
    D)Near the industrial areas
    Answer: Near the industrial areas
  • Q. What is the name of the layer closest to the Earth?
    A)Troposphere
    B)Ionosphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • Q. Troposphere is the most warm part of the atmosphere because
    A)It gets warm from the heat of the surface of the Earth
    B)It is closer to the Sun
    C)It contains charged particles
    D)It produces heat
    Answer: It gets warm from the heat of the surface of the Earth
  • 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. 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. Which of the following is/are correct in matching the layer of atmosphere and its characteristic ? I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth’s surface IV. Mesosphere : Aurorae
    A)II and III
    B)I, II, III and IV
    C)I, II and IV
    D)I, II and III
    Answer: I, II and III
  • Q. The innermost layer is the core with a radius of about ________ km.
    A)9500
    B)500
    C)6500
    D)3500
    Answer: 3500
  • Q. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from ________
    A)Stratosphere
    B)Troposphere
    C)Mesosphere
    D)Ionosphere
    Answer: Ionosphere
  • 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. When a descending air contracts and its volume decreases, what happens to its temperature?
    A)Its temperature remains constant
    B)Its temperature decreases
    C)Its temperature increases
    D)Its temperature first increases, then decreases
    Answer: Its temperature increases
  • Q. Where do all meteorological incidents occur?
    A)Ionosphere
    B)Stratosphere
    C)Troposphere
    D)Exosphere
    Answer: Troposphere
  • 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 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. What is true with regard to Jet Streams? 1. High velocity winds 2. Blow from west to east 3. Blow in upper troposphere near the tropopause 4. Blow in the mesosphere
    A)1, 2 and 3
    B)2 and 3
    C)2 and 4
    D)1, 2 and 4
    Answer: 1, 2 and 3

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