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General Knowledge :: Environmental Science

  1. The unit of pressure most commonly found on a surface weather map is:

  2. A.

     Inches of mercury (Hg)

    B.

     Millibars or hectopascals

    C.

     Pounds per square inch

    D.

     Millimeters of mercury (Hg)

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  3. All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________

  4. A.

     Calcification

    B.

     Fixation

    C.

     Precipitation

    D.

     Accumulation

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  5. When both partners are affected negatively the nature of interaction is

  6. A.

     commensalism

    B.

     competition

    C.

     predation

    D.

     amensalism

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  7. Which of the following weather elements always decreases as we climb upward in the atmosphere?

  8. A.

     Wind

    B.

     Temperature

    C.

     Pressure

    D.

     Moisture

    E.

     All of the above

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  9. In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called

  10. A.

     Decomposers

    B.

     Producers

    C.

     Primary consumers

    D.

     Secondary consumers

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  11. The formation of a climax community from an abandoned farm land is a an example of

  12. A.

     Autogenic succession

    B.

     Allogenic succession

    C.

     Primary succession

    D.

     Secondary succession

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  13. Which of the following groups is absolutely essential functional component of the ecosystem?

  14. A.

     Producers

    B.

     Producers and herbivores

    C.

     Producers and detritivores

    D.

     Detritivores

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  15. Which of the following zones in a lake suffers from lack of light and therefore limited photosynthesis is able to take place?

  16. A.

     Pelagic

    B.

     Littoral

    C.

     Profundal

    D.

     Euphotic

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  17. _________ is mixed with petrol for being used in automobiles.

  18. A.

     Gasohol

    B.

     Methanol

    C.

     Propanol

    D.

     Ethanol

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  19. Energy transformation through the food chain is

  20. A.

     Regular

    B.

     Comfortable

    C.

     Proposed

    D.

     Inefficient

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