Q. The total number of layers above Earth are

Correct Answer

5

More Questions on Atmosphere

  • Q. Venus has atmosphere made up of
    A)Helium
    B)Ammonia
    C)Carbon dioxide
    D)Hydrogen
    Answer: Carbon dioxide
  • 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
  • Q. Which of the following is/are characteristic of a depression in the southern hemisphere? I. It is a mass of air whose isobars form an oval or circular shape II. Pressure is high in the centre and decreases towards the outside III. Air moves anti-clockwise
    A)I and III
    B)I only
    C)II only
    D)All three
    Answer: I only
  • 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. 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. 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. Arrange the following gases of the atmosphere in increasing order by volume: I. Nitrogen II. Oxygen III. Carbon dioxide IV. Argon
    A)III, IV, II, I
    B)I, II, III, IV
    C)I, II, IV, III
    D)IV, III, II, I
    Answer: III, IV, II, I
  • Q. Fogs formed along, the sea-coast are due to ________
    A)Convection
    B)Advection
    C)Radiaton
    D)Conduction
    Answer: Advection
  • Q. The study of the processes of atmosphere is called as
    A)Seismology
    B)Astrology
    C)Meteorology
    D)Astronomy
    Answer: Meteorology
  • Q. Countries favourably influenced by Westerlies are ________
    A)New Zealand
    B)Western Europe, British Columbia and East of U.S.A.
    C)South-West Africa and South Chile
    D)All of these
    Answer: All of these
  • 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 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. Pampero is ________
    A)A moisture laden wind which brings rainfall to the west coast of Panama
    B)A cold wind which prevails in Argentina and Uruguay
    C)A low pressure area in Equator 63° S
    D)A high pressure area which develops first and then leads to the formation of an anticyclone
    Answer: A cold wind which prevails in Argentina and Uruguay
  • 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. Relative humidity
    A)Decreases with decreased temperature
    B)Increases with increased temperature
    C)Decreases with increased temperature
    D)Has no relation with increase or decrease of temperature
    Answer: Decreases with increased temperature
  • 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. Which of the following statements is incorrect?
    A)Doldrum belt lies between 10°N and 10°S latitudes
    B)Roaring forties are the southern latitudes where Westerlies are prevalent
    C)Monsoons are local seasonal winds
    D)Horse latitudes are found between Trade winds and Westerlies
    Answer: Monsoons are local seasonal winds
  • Q. Which of the following is a cold wind?
    A)Chinook
    B)Buran
    C)Foehn
    D)Sirocco
    Answer: Buran
  • 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. Which of the following is the annual precipitation of an area?
    A)The total amount of rain per year, irrespective of snow, hail and sleet
    B)All forms of precipitation converted to the quantity of liquid water
    C)The total actual amount of rain, snow, hail and sleet
    D)All forms of precipitation measured after conversion to equal quantity of ice
    Answer: All forms of precipitation converted to the quantity of liquid water

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