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General Knowledge :: Environmental Science

  1. BOD of a river water is found very high. This means water

  2. A.

     is clear

    B.

     is highly polluted

    C.

     contain Algae

    D.

     contain many dissolved minerals


  3. Which of the following has the least similarity when comparing two examples of the same biome located in different parts of the world?

  4. A.

     Climate

    B.

     Latitude

    C.

     Continent

    D.

     Elevation


  5. On a clear, calm, night, the ground and air above cool mainly by this process:

  6. A.

     Evaporation

    B.

     Reflection

    C.

     Convection

    D.

     Conduction

    E.

     Radiation


  7. What is desertification?

  8. A.

     Conversion of forests into desert

    B.

     Conversion of croplands into desert

    C.

     Conversion of grassland into desert

    D.

     all of the above


  9. A great deal of indoor air pollution comes from

  10. A.

     sludge

    B.

     carbon monoxide

    C.

     cooking

    D.

     carpets and furniture


  11. This is used as a guide to planting and for determining the approximate date for harvesting crops:

  12. A.

     Growing degree-days

    B.

     Heating degree-days

    C.

     Cooling degree-days

    D.

     Mean annual temperature


  13. National Park associated with rhinoceros is

  14. A.

     Kaziranga

    B.

     Ranthambore

    C.

     Corbett

    D.

     Valley of flowers


  15. Endemic species are

  16. A.

     rare species

    B.

     species localised in a specific region

    C.

     cosmopolitan in distribution

    D.

     critically endangered species


  17. In the middle latitudes of the Northern Hemisphere, surface winds tend to blow ____ and ____ around an area of surface low pressure.

  18. A.

     Clockwise; inward

    B.

     Clockwise; outward

    C.

     Counterclockwise; inward

    D.

     Counterclockwise; outward


  19. Hot spots are regions of high

  20. A.

     rarity

    B.

     endemism

    C.

     critically endangered population

    D.

     diversity