Q. The total number of layers above Earth are

Correct Answer

5

More Questions on Atmosphere

  • Q. Where do all meteorological incidents occur?
    A)Ionosphere
    B)Stratosphere
    C)Troposphere
    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. Which gas is found in maximum quantity in lower atmosphere?
    A)Oxygen
    B)Hydrogen
    C)Carbon dioxide
    D)Nitrogen
    Answer: Nitrogen
  • 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. 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 jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the lower stratosphere. Which of the statements given above is/are correct in this context?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct?
    A)Both 1and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Neither 1 nor 2
  • 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
    Answer: Calm, clear and cool winter night
  • Q. Which of the following is a cold wind?
    A)Chinook
    B)Buran
    C)Foehn
    D)Sirocco
    Answer: Buran
  • Q. Consider the following statements regarding the distribution and pattern of isotherms 1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter. 2. Temperature gradients are greater in summer than in winter in the northern hemisphere. Which of the statement(s) 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. 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 one of the following characteristics is not associated with the tropical cyclones?
    A)As the cold front passes, the weather changes very rapidly
    B)Before the cyclone arrives the air becomes very still and temperature and humidity are high
    C)As the front of the vertex arrives, gusty winds develop and thick clouds appear
    D)Calm conditions return when the eye of the cyclone arrives
    Answer: Calm conditions return when the eye of the cyclone arrives
  • Q. In the atmosphere of the primitive earth there was no ________
    A)Nitrogen
    B)Oxygen
    C)Carbon dioxide
    D)Ammonia
    Answer: Oxygen
  • Q. In which layer, temperature increases dramatically?
    A)Stratosphere
    B)Ionosphere
    C)Exosphere
    D)Troposphere
    Answer: Ionosphere
  • Q. The phenomenon of ‘trade winds’ takes place due to
    A)Radiation
    B)Conduction of heat
    C)Convection of heat
    D)None of the above
    Answer: Convection of heat
  • Q. Which of the following are true regarding ionosphere? I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth
    A)II and III
    B)I and II
    C)I and II
    D)I, II and III
    Answer: II and III
  • 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. 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
  • Q. Consider the following statements: 1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean. 2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere. Which of the statements given above is/are correct?
    A)Both 1and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
    A)Ozone
    B)Nitrogen
    C)Oxygen
    D)Water Vapour
    Answer: Water Vapour

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