Q. A level of atmosphere which is composed partly of Electrons and Positive Ions is called

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur? I. Long nights II. Cloudy sky III. Calm and stable air IV. Dry air
    A)II, III and IV
    B)I and II
    C)I, II and III
    D)I, III and IV
    Answer: I, III and IV
  • Q. Excess carbon dioxide in the atmosphere due to pollution will cause
    A)No change in earth's temperature
    B)Earth's temperature to rise
    C)Earth's temperature to fall
    D)Increase in ultra-violet radiation reaching the earth
    Answer: Earth's temperature to rise
  • Q. Temperate cyclones bring along with them ________
    A)Thunderstorms and torrential rainfall
    B)Pleasant weather
    C)Snowfall and hail
    D)Mild rainfall
    Answer: Mild rainfall
  • Q. Why the Earth is having its own atmosphere?
    A)Gravity
    B)Winds
    C)Clouds
    D)Rotation of the Earth
    Answer: Gravity
  • Q. What is the name of the layer closest to the Earth?
    A)Troposphere
    B)Ionosphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • Q. The instrument used for finding out wind-direction is ________
    A)Wind gauze
    B)Anemometer
    C)Wind vane
    D)Hygrometer
    Answer: Wind vane
  • Q. The zone of Earth’s atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
    A)Troposphere
    B)Mesosphere
    C)Thermosphere
    D)Stratosphere
    Answer: Troposphere
  • Q. Venus has atmosphere made up of
    A)Helium
    B)Ammonia
    C)Carbon dioxide
    D)Hydrogen
    Answer: Carbon dioxide
  • Q. What helps to maintain the heat budget on the surface of the earth?
    A)Incoming solar radiation is reflected
    B)Incoming insolation in short waves and terrestrial radiation in long waves
    C)The atmosphere absorbs heat
    D)The earth absorbs heat
    Answer: Incoming insolation in short waves and terrestrial radiation in long waves
  • Q. At which height, the gaseous surrounding has covered the Earth’s atmosphere?
    A)200km
    B)100km
    C)150km
    D)300km
    Answer: 300km
  • 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
  • Q. Consider the following statements: 1. The monsoon climate is found in Northern Australia. 2. The China type climate is found in Argentina. 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: Both 1 and 2
  • Q. Which of the following are true with regard to temperature control of the atmosphere of a given place? I. The major temperature contrasts on earth’s surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter
    A)I and II
    B)I, III and IV
    C)II, III and IV
    D)II and IV
    Answer: I, III and IV
  • Q. A level of atmosphere which is composed partly of Electrons and Positive Ions is called
    A)Stratosphere
    B)Troposphere
    C)Ionosphere
    D)Mesosphere
    Answer: Ionosphere
  • Q. An upper air wind system with very high velocities in certain parts of the atmosphere is called ________
    A)Jet stream
    B)A cyclone
    C)An anticyclone
    D)A tsunami
    Answer: Jet stream
  • 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. 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. Which of the following statements is not true of Trade Winds?
    A)They are constant in strength and direction
    B)They blow from the Horse Latitudes to the Doldrums
    C)They are deflected to the right to become South-East Trades in the southern hemisphere
    D)They sometimes contain intense depressions
    Answer: They are deflected to the right to become South-East Trades in the southern hemisphere
  • Q. The layer of atmosphere which reflects radio waves is
    A)Stratosphere
    B)Ionosphere
    C)Troposphere
    D)Exosphere
    Answer: Ionosphere
  • Q. Which of the following places are favourably influenced by the Trade winds? I. West Indies II. Brazil III. Mexico IV. Madagascar
    A)III and IV
    B)I and II
    C)I, II, III and IV
    D)II and IV
    Answer: I, II, III and IV

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