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General Knowledge :: World Environment and Ecology

  1. Where is the secretariat of the Conference on Biological Diversity?

  2. A.

     London

    B.

     Italy

    C.

     Montreal

    D.

     Toronto


  3. Which one of the following ecosystems covers the largest area of the earth's surface?

  4. A.

     Desert Ecosystem

    B.

     Grassland Ecosystem

    C.

     Mountain Ecosystem

    D.

     Marine Ecosystem


  5. The correct sequence in decreasing order of the albedo values of these ecosystem is::
    1. Taiga
    2. Tropical evergreen
    3. Tropical deciduous
    4. Tundra

  6. A.

     1, 4, 3, 2

    B.

     4, 1, 2, 3

    C.

     4, 1, 3, 2

    D.

     1, 4, 2, 3


  7. Select the correct answer from the following:
    1. Melting of polar ice caps and subsequently rise in the sea level is the most important effect of global warming.
    2. The sea level is likely to rise by one meter by 2070 AD if the present level of global warming is not controlled.
    3. All the coral islands in the world will be submerged.
    4. By 2044 AD, Fiji is likely to be submerged and rise in the sea level by the same year will pose a grave danger to the Netherlands.

  8. A.

     1, 2, 3 and 4

    B.

     4 only

    C.

     1, 2 and 4

    D.

     1, 2 and 3


  9. The Ozone hole over Antarctica was discovered in

  10. A.

     1975

    B.

     1985

    C.

     1978

    D.

     1987


  11. Which of the following has maximum bio-diversity?

  12. A.

     Desert

    B.

     Polar Region

    C.

     River

    D.

     Tropical Region


  13. The Biosphere is a region of earth which supports life. It includes- 1.Hydrosphere, 2.Lithosphere, 3.Stratosphere, 4.Troposphere

  14. A.

     1 and 3

    B.

     1,2 and 4

    C.

     1 and 4

    D.

     2,3 and 4


  15. Of the solar energy coming into the Biosphere, what percentage of it is actually used in the photosynthesis?

  16. A.

     Less than 1

    B.

     Between 1% and 15%

    C.

     Between 15% and 2%

    D.

     More than 2%


  17. Which of the following is least likely to be an effect of global warming?

  18. A.

     Increased frequency of hurricanes

    B.

     Loss of fertile delta region as for agriculture

    C.

     Decreased rate of photosynthesis in vegetation

    D.

     Shrinking of the polar ice regions


  19. EL-Nino is

  20. A.

     Warm Ocean Current

    B.

     Sea Storm

    C.

     Tropical Disturbance

    D.

     Another name of Typhoon