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General Knowledge :: Environmental Science

  1. Which of the following is mainly responsible for the extinction of wild life

  2. A.

     Pollution of air and water

    B.

     Hunting of flesh

    C.

     Destruction of Habitats

    D.

     All of these


  3. The percentage of water vapour present in the air compared to that required for saturation is the:

  4. A.

     Mixing ratio

    B.

     Absolute humidity

    C.

     Dew point

    D.

     Relative humidity

    E.

     Specific humidity


  5. Major cause of Ozone depletion is due to which chemical?

  6. A.

     ChloroFluoroCarbons

    B.

     Polyphenols

    C.

     Dioxins

    D.

     Rayon


  7. Rain during November is more acidic than monsoon rain due to

  8. A.

     dissolved CO2

    B.

     dissolved SO2

    C.

     dissolved NO2

    D.

     none of the above.


  9. The formula for exponential population growth is

  10. A.

     dN/dt = rN

    B.

     dt/dN = rN

    C.

     dN/rN = dt

    D.

     rN/dN = dt


  11. The processes of condensation and freezing:

  12. A.

     Both release sensible heat into the environment

    B.

     Both absorb sensible heat from the environment

    C.

     Do not affect the temperature of their surroundings

    D.

     Do not involve energy transport


  13. Which of the following is an extinct species?

  14. A.

     Tiger

    B.

     Lion

    C.

     Dodo

    D.

     Ostrich


  15. _________ is the most inhuman of social crimes.

  16. A.

     Rape

    B.

     Kidnap

    C.

     Dowry death

    D.

     Robbery


  17. The word Biophilia was coined by

  18. A.

     Dr. Hackel

    B.

     Dr.Johanssen

    C.

     Dr. Benjamine

    D.

     E O Wilson


  19. Which of the following is the most responsible for world water crisis?

  20. A.

     Dams

    B.

     Floods

    C.

     Drought

    D.

     Population growth