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General Knowledge :: Environmental Science

  1. Condensation nuclei may be:

  2. A.

     Particles of dust

    B.

     Nitric acid particles

    C.

     Smoke from forest fires

    D.

     Salt from the ocean

    E.

     All of these


  3. _______ is an example of "bottom feeders".

  4. A.

     Cat fish

    B.

     Frog

    C.

     Snake

    D.

     Tadpole


  5. Moisture in the air is known as

  6. A.

     Water

    B.

     Fog

    C.

     Snow

    D.

     Humidity


  7. "Smog" is a mixture of

  8. A.

     Smoke and Fog

    B.

     Snow and Fog

    C.

     Snow and Dust

    D.

     Sulphur Dioxide and Fog


  9. The major pollutant from automobile exhaust is

  10. A.

     NO

    B.

     CO

    C.

     SO2

    D.

     Soot


  11. Nitrogen oxide and hydrocarbons released by automobiles interact to form

  12. A.

     CO

    B.

     PAN

    C.

     SO2

    D.

     Aerosol


  13. The Expansion of SPCA

  14. A.

     Society for the Protection of Common Animals

    B.

     Society for the Prevention of Cruelty to Animals

    C.

     Society for the Prohibition of Cruelty to Animals

    D.

     None


  15. Deforestation generally decreases

  16. A.

     Global Warming

    B.

     Drought

    C.

     Soil erosion

    D.

     Rainfall


  17. What is Canopy?

  18. A.

     Uppermost level of the forest

    B.

     Ground level of the forest

    C.

     Soil in forest

    D.

     Climbers on trees


  19. The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called

  20. A.

     air pollution

    B.

     water pollution

    C.

     soil pollution

    D.

     radioactive pollution