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General Knowledge :: Atmosphere

  1. The chemically inactive gas present in the atmosphere is ________

  2. A.

     Nitrogen

    B.

     Argon

    C.

     Water vapour

    D.

     Oxygen


  3. In which layer, temperature increases dramatically?

  4. A.

     Ionosphere

    B.

     Exosphere

    C.

     Stratosphere

    D.

     Troposphere


  5. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth's surface?

  6. A.

     Transparent to both incoming sunlight and outgoing infrared radiation

    B.

     Stops both incoming sunlight and outgoing infrared radiation

    C.

     Lets outgoing infrared radiation pass through but stops incoming sunlight

    D.

     Lets incoming sunlight pass through but stops outgoing infrared radiation


  7. Temperature generally decreases towards the poles because ________

  8. A.

     Air movement is generally towards the. equator

    B.

     Cold polar air masses prevent surface heating of the land

    C.

     Cold surfaces do not absorb solar energy as readily as warm surfaces

    D.

     Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions


  9. Consider the following statements:
    1. Troposphere varies in its thickness between equator and poles.
    2. Stratosphere does not experience Normal Lapse Rate.
    3. Ozone layer occurs in the Mesophere.
    4. Ionosphere lies between Stratosphere and Mesosphere
    Which of these statements are correct?

  10. A.

     1 and 2

    B.

     2 and 3

    C.

     3 and 4

    D.

     1, 2 and 4


  11. Excess carbon dioxide in the atmosphere due to pollution will cause

  12. A.

     Earth's temperature to rise

    B.

     Earth's temperature to fall

    C.

     No change in earth's temperature

    D.

     Increase in ultra-violet radiation reaching the earth


  13. Atmospheric pressure exerted on earth is due to ________

  14. A.

     Gravitational pull of the earth

    B.

     Rotation of earth

    C.

     Revolution of earth

    D.

     Uneven heating of earth


  15. Which one of the following statements is correct?
    Hurricanes ________

  16. A.

     Form at the equator

    B.

     Are not as large as tornadoes

    C.

     Develop over warm ocean areas

    D.

     Tend to intensify when they move over land surfaces


  17. Rain shadow effect is associated with

  18. A.

     Cyclonic rainfall

    B.

     Orographic rainfall

    C.

     Convectional rainfall

    D.

     Frontal rainfall


  19. Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?

  20. A.

     Troposphere

    B.

     Stratosphere

    C.

     Mesosphere

    D.

     Ionosphere