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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


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

  4. A.

     food link

    B.

     food chain

    C.

     food web

    D.

     pyramid


  5. Rain water harvesting is a major method implemented for_____________

  6. A.

     Water Conservation

    B.

     Soil Conservation

    C.

     Forest conservation

    D.

     Ecological conservation


  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


  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


  11. What is deforestation?

  12. A.

     Product of forest

    B.

     destruction of forest

    C.

     Forest Protection

    D.

     None


  13. Lions are found in

  14. A.

     Western Ghats

    B.

     Corbett National Park

    C.

     Forests of Madhya Pradesh

    D.

     Gir forests


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

  16. A.

     Preadaptation

    B.

     Ecotyping

    C.

     Formation of ecophenes

    D.

     Acclimatisation


  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


  19. Plantation produces around __________ percentage of industrial woods.

  20. A.

     twenty

    B.

     thirty

    C.

     forty

    D.

     fifty