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?

Correct Answer

Both 1 and 2

More Questions on Atmosphere

  • Q. Increase in carbon dioxide in atmosphere causes ________
    A)Uniform earth temperature
    B)Rise in earth temperature
    C)Fall in earth temperature
    D)Increase in Ultraviolet rays
    Answer: Rise in earth temperature
  • Q. Which of the following sequences of atmospheric layers is correct from below?
    A)Troposphere, Tropopause, Stratosphere, Ionosphere
    B)Stratosphere, Ionosphere, Tropopause, Troposphere
    C)Ionosphere, Troposphere, Stratosphere, Tropopause
    D)Tropopause, Troposphere, Ionosphere, Stratosphere
    Answer: Troposphere, Tropopause, Stratosphere, Ionosphere
  • Q. Troposphere is the hottest part of the atmosphere because
    A)It is heated by the Earth's surface
    B)It is closest to the Sun
    C)There are charged particles in it
    D)Heat is generated in it
    Answer: It is heated by the Earth's surface
  • Q. The amount of actual water vapour of air is known as ________
    A)Relative humidity
    B)Absolute humidity
    C)Dew point
    D)Condensation point
    Answer: Absolute 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. Local thunderstorms ‘Nor westers’ are prominent in ________
    A)Andhra Pradesh
    B)Punjab
    C)West Bengal
    D)Tamil Nadu
    Answer: West Bengal
  • 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. Water vapour beyond the dew point results in ________
    A)Condensation
    B)Precipitation
    C)Hailstorm
    D)Formation of ice
    Answer: Condensation
  • 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. The monsoon has well-developed cycle in ________
    A)East United States
    B)South and South East Asia
    C)North Australia
    D)Africa
    Answer: South and South East Asia
  • Q. The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is ________
    A)Horse-latitudes
    B)Depression
    C)Doldrums
    D)Inter-tropical convergence
    Answer: Depression
  • Q. Mist is a result of which one of the following?
    A)Sublimation
    B)Condensation
    C)Evaporation
    D)Saturation
    Answer: Condensation
  • Q. The Ozone hole is detected in the atmosphere, where is it located?
    A)Above India
    B)Above Arctic Ocean
    C)Above Antarctica
    D)Above Alaska
    Answer: Above Antarctica
  • 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. 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. 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/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. Which one of the following is not a correct example of tropical cyclone?
    A)Hurricanes
    B)Tornadoes
    C)Typhoons
    D)Nor westers
    Answer: Nor westers
  • Q. Consider the following statements 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate entirely within the tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes
    A)2 and 3
    B)1, 2 and 4
    C)1 only
    D)3 and 4
    Answer: 1, 2 and 4
  • 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

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