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General Knowledge :: World Environment and Ecology

  1. The Earth summit was organised by

  2. A.

     UNESCO

    B.

     UNCED

    C.

     WHO

    D.

     UNICEF


  3. World Environmental day is celebrated on ________ every year.

  4. A.

     01-05-2001

    B.

     05-06-2005

    C.

     01-10-2024

    D.

     01-12-2025


  5. Environment includes

  6. A.

     Abiotic component

    B.

     Biotic component

    C.

     Oxygen and Nitrogen

    D.

     Abiotic and Biotic component


  7. The largest ecosystem of earth is

  8. A.

     Biome

    B.

     Hydrosphere

    C.

     Lithosphere

    D.

     Biosphere


  9. For which of the following reason, it is necessary to secure a large area for forest?

  10. A.

     Absorption of carbon dioxide

    B.

     Conservation of wild

    C.

     More rain

    D.

     Ecological balance


  11. Among the following climatic factors, which one has the least effect upon a terrestrial ecosystem?

  12. A.

     Temperature variation

    B.

     Wind

    C.

     Conditions of sunlight

    D.

     Availability of water


  13. Soil is eroded heavily due to deforestation, it affects the flowing of surface water badly. Which of the following is badly affected by these causes

  14. A.

     Human Resource

    B.

     Ecological System

    C.

     Climate

    D.

     Local Plants


  15. What is the ecological system integrating all living beings and their relationships?

  16. A.

     Total Wild Life

    B.

     Biosphere

    C.

     Lithosphere

    D.

     Hydrosphere


  17. Global warming is expected to result in

  18. A.

     Increase in sea level

    B.

     Change in crop pattern

    C.

     Change in coastal line

    D.

     All of these


  19. What is the cause of 'Green house effect'?

  20. A.

     Nitrogen

    B.

     Carbon Dioxide

    C.

     Carbon Monoxide

    D.

     Nitrogen Dioxide