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General Knowledge :: Environmental Science

  1. Thermal belts are:

  2. A.

     Pockets of warm air resting on a valley during the afternoon

    B.

     Pockets of cold air resting on a valley floor at night

    C.

     Warmer hillsides that are less likely to experience freezing conditions

    D.

     Cold, below-freezing air found at the top of a mountain

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  3. The term "Biocoenosis" was proposed by

  4. A.

     Transley

    B.

     Carl Mobius

    C.

     Warming

    D.

     None of the above

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  5. The best way to check soil erosion is by providing adequate trees and

  6. A.

     Grass cover

    B.

     Manure

    C.

     Water

    D.

     Sand

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  7. _________ is a mixture of 50 - 90% of methane

  8. A.

     Natural gas

    B.

     Air

    C.

     Water

    D.

     Bio diesel

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  9. The source of atmospheric oxygen is

  10. A.

     Nitrogen cycle

    B.

     Green Plants

    C.

     Water

    D.

     Carbon Cycle

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  11. Which of the following type of pollution can cause the outbreak of jaundice

  12. A.

     Air

    B.

     Thermal

    C.

     Water

    D.

     Land

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  13. India is primary centre of domestication of

  14. A.

     Sheep

    B.

     Goat

    C.

     Water Buffalo

    D.

     Elephants

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  15. Which is an example for sedimentary biogeochemical cycle

  16. A.

     Oxygen cycle

    B.

     Nitrogen cycle

    C.

     Water cycle

    D.

     Phosphorus cycle

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  17. Which of the following is not a reason why water warms and cools much more slowly than land?

  18. A.

     Solar energy penetrates more deeply into water

    B.

     Heat energy is mixed in a deeper layer of water

    C.

     Water has a higher heat capacity

    D.

     A portion of the solar energy that strikes water is used to evaporate it

    E.

     It takes more heat to raise the temperature of a given amount of soil 1oC than it does to raise the temperature of water 1oC

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  19. The gas that shows the most variation from place to place and from time to time in the lower atmosphere:

  20. A.

     Ozone (O3)

    B.

     Carbon dioxide (CO2)

    C.

     Water vapour (H2O)

    D.

     Methane (CH4)

    E.

     Argon (Ar)

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