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  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

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  2. Molten rock deep inside the earth is called

    3. A.

     core
    B.

     valcano
    C.

     lava
    D.

     magma

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  3. Pangolins feed on

    4. A.

     ants
    B.

     fruits
    C.

     leaves
    D.

     roots

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  4. 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.

    5. A.

     More, lower
    B.

     More, higher
    C.

     Less, lower
    D.

     Less, higher

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  5. Radiation can cause

    6. A.

     cardiac disease
    B.

     Haemophilia
    C.

     leukemia
    D.

     bone marrow diseases

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

    7. A.

     bryophyte
    B.

     pteridophyte
    C.

     lichen
    D.

     algae

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  7. The term "latent" means:

    8. A.

     Late
    B.

     Hot
    C.

     Light
    D.

     Hidden
    E.

     Dense

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  8. Biotic potential is counteracted by

    9. A.

     Competition with other organisms
    B.

     Producer is the largest
    C.

     Limitation of food supply
    D.

     None of the above

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

    10. 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

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  10. Red Data Book Provides data on

    11. A.

     Red flowered plants
    B.

     Red colored fishes
    C.

     Lists of plants and animals
    D.

     Endangered plants and animals

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