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Biodiversity & Environmental Issues Test - 8
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  • Question 1/10
    1 / -0.25

    Smog which doesn ’t contain any secondary pollutants is:

  • Question 2/10
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    Read the following statements:
    i. carbondioxide is a qualitative pollutant.
    ii. carbondioxide is already present in environment and is termed as pollutant when it ’s concentration increases in the environment:

  • Question 3/10
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    The dust collection efficiency of Electrostatic precipitator is affected by the particle size of the aerosol to be collected, so :

  • Question 4/10
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    Planting trees on both the sides of roads and highways is called providing green muffler. It is to reduce :

  • Question 5/10
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    Irreparable computers and other electronic goods are known as

  • Question 6/10
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    Various methods applied for removing particulate pollutants from air employs:

  • Question 7/10
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    Deoxygenation of water causes :
    i. conversion of eutrophic water body back into oligotrophic.
    ii. growth of anaerobic microbes producing secondary pollutants like H2 S.

  • Question 8/10
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    Huge quantity of sewage is dumped in a river, the BOD will

  • Question 9/10
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    Acid rain is due to

  • Question 10/10
    1 / -0.25

    Eutrophication of water body occurs due to addition of

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