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General Knowledge :: Atmosphere

  1. Choose the correct option with the correct sequence of the layers of atmosphere

  2. A.

     Mesophere, Ionosphere, Exosphere, Troposphere, Stratosphere

    B.

     Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere

    C.

     Exosphere, Troposphere, Ionosphere Mesosphere, Stratosphere

    D.

     Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere


  3. Which of the following is specially true of anticyclones in the southern hemisphere?

  4. A.

     The air moves in a circular manner

    B.

     Pressure increases from the outside to the centre

    C.

     They often form over continents

    D.

     The air moves in an anti-clockwise direction


  5. Countries favourably influenced by Westerlies are ________

  6. A.

     Western Europe, British Columbia and East of U.S.A.

    B.

     South-West Africa and South Chile

    C.

     New Zealand

    D.

     All of these


  7. 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

  8. A.

     I only

    B.

     II only

    C.

     I and III

    D.

     All three


  9. The hot and dry winds that help in the ripening of grapes in the Alps region is ________

  10. A.

     Chi nook

    B.

     Foehn

    C.

     Mistral

    D.

     Roaring Forties


  11. What is approximately the quantum of the pressure exerted by the atmosphere at sea level?

  12. A.

     One kg per sq km

    B.

     One kg per sq mtr

    C.

     Five kg per sq cm

    D.

     Five kg per sq mtr


  13. What is the percentage of Nitrogen in atmosphere of the Earth?

  14. A.

     0.94

    B.

     0.03

    C.

     78.03

    D.

     85.02


  15. At low elevation which among the following clouds are to be found ?

  16. A.

     Cirrus

    B.

     Nimbus

    C.

     Cumulus

    D.

     Stratus


  17. 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?

  18. A.

     1 only

    B.

     2 only

    C.

     Both 1 and 2

    D.

     Neither 1 nor 2


  19. The most important factor in thunderstorms development is ________

  20. A.

     Atmospheric stability

    B.

     Atmospheric instability

    C.

     Abundance of moisture

    D.

     Temperature inversion