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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)


  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


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

  6. A.

     commensalism

    B.

     competition

    C.

     predation

    D.

     amensalism


  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


  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


  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


  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


  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


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

  18. A.

     Gasohol

    B.

     Methanol

    C.

     Propanol

    D.

     Ethanol


  19. Energy transformation through the food chain is

  20. A.

     Regular

    B.

     Comfortable

    C.

     Proposed

    D.

     Inefficient