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General Knowledge :: Environmental Science

  1. An ecosystem must have continuous external source of

  2. A.

     minerals

    B.

     energy

    C.

     food

    D.

     All of the above

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  3. When number of food chains is interlocked this is called

  4. A.

     food link

    B.

     food chain

    C.

     food web

    D.

     pyramid

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  5. Rain water harvesting is a major method implemented for_____________

  6. A.

     Water Conservation

    B.

     Soil Conservation

    C.

     Forest conservation

    D.

     Ecological conservation

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  7. The pyramid of numbers is inverted in the case of

  8. A.

     parasitic food chain

    B.

     Grassland ecosystem

    C.

     Forest ecosystem

    D.

     lake ecosystem

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  9. Burning of coal produces oxides of sulphur and nitrogen which combined with water vapor leads to

  10. A.

     acid rain

    B.

     brackish water

    C.

     forest fire

    D.

     soil pollution

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  11. What is deforestation?

  12. A.

     Product of forest

    B.

     destruction of forest

    C.

     Forest Protection

    D.

     None

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  13. Lions are found in

  14. A.

     Western Ghats

    B.

     Corbett National Park

    C.

     Forests of Madhya Pradesh

    D.

     Gir forests

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  15. Favorable morphological and physiological response to a change in environment is called

  16. A.

     Preadaptation

    B.

     Ecotyping

    C.

     Formation of ecophenes

    D.

     Acclimatisation

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  17. Which among the following is related to the word Mesoderm ?

  18. A.

     Anatomically advanced animals having all three germ layers

    B.

     No membrane-bound organelles, no peptidoglycan in cell walls, introns

    C.

     Forms blood and bone (leads to complex internal organs)

    D.

     Binomial system of classification

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  19. Plantation produces around __________ percentage of industrial woods.

  20. A.

     twenty

    B.

     thirty

    C.

     forty

    D.

     fifty

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