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Environmental C...

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  • Question 1
    1 / -0

    Acid rain is produced by:

  • Question 2
    1 / -0

    Read the following statements carefully and select the incorrect ones.


    (i)  Development of the fertile top-soil takes centuries, but it can be easily removed due to human activities such as over-cultivation, unrestricted grazing, etc.
    (ii) Waterlogging results in soil salinity.
    (iii)  UV rays are responsible for the degradation of the ozone shield in the atmosphere.
    (iv)  Ozone present in the stratosphere acts as a shield absorbing UV radiation coming from the Sun.
    (v)  Global warming can be controlled by increasing the use of fossil fuels.

  • Question 3
    1 / -0

    Which of the following pollutants is not harmful for lungs?

  • Question 4
    1 / -0

    The region which is greatly affected by air pollution is:

  • Question 5
    1 / -0

    The zone which extends above troposphere up to 50 km above sea level and contains dinitrogen, dioxygen, ozone and little water vapour is called:

  • Question 6
    1 / -0

    Green chemistry involves ?

  • Question 7
    1 / -0

    Which of the following statements is not true?

  • Question 8
    1 / -0

    Which of the following is not correctly matched?

  • Question 9
    1 / -0

    As DDT passes into food chain, its concetration:

  • Question 10
    1 / -0

    Which of these are biodegradable pollutants?
    (i) Pesticides
    (ii) Mercuric salts
    (iii) Sewage
    (iv) Radioactive wastes

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