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General Knowledge :: Environmental Science

  1. The heat energy released when water vapour changes to a liquid is called:

  2. A.

     Latent heat of evaporation

    B.

     Latent heat of fusion

    C.

     Latent heat of fission

    D.

     Latent heat of condensation


  3. Molten rock deep inside the earth is called

  4. A.

     core

    B.

     valcano

    C.

     lava

    D.

     magma


  5. Pangolins feed on

  6. A.

     ants

    B.

     fruits

    C.

     leaves

    D.

     roots


  7. Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air.

  8. A.

     More, lower

    B.

     More, higher

    C.

     Less, lower

    D.

     Less, higher


  9. Radiation can cause

  10. A.

     cardiac disease

    B.

     Haemophilia

    C.

     leukemia

    D.

     bone marrow diseases


  11. Which of the following is the best indicator of SO2 pollution.

  12. A.

     bryophyte

    B.

     pteridophyte

    C.

     lichen

    D.

     algae


  13. The term "latent" means:

  14. A.

     Late

    B.

     Hot

    C.

     Light

    D.

     Hidden

    E.

     Dense


  15. Biotic potential is counteracted by

  16. A.

     Competition with other organisms

    B.

     Producer is the largest

    C.

     Limitation of food supply

    D.

     None of the above


  17. What is Bagasse? What is it used for?

  18. A.

     Sugar cane waste --used as to make paper

    B.

     Biogas -- used as fuel

    C.

     Liquid waste --used as fertilizer

    D.

     Vermi compost - used as fertilizer


  19. Red Data Book Provides data on

  20. A.

     Red flowered plants

    B.

     Red colored fishes

    C.

     Lists of plants and animals

    D.

     Endangered plants and animals