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Lichens are useful in the studies of atm...

Lichens are useful in the studies of atmospheric pollution because they

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Lichens are sensitive to air pollutants especially to sulphur-di-oxide. Therefore, they are considered as pollution.
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Knowledge Check

  • Lichens are the indicators of:

    A
    carbon monoxide
    B
    nitrogen oxide
    C
    sulphur di oxide
    D
    hydrogen sulphide

  • Living the atmosphere of CO is dangerous because it

    A
    Combines with `O_(2)` present inside to form `CO_(2)`
    B
    Reduces organic matter of tissues
    C
    Combines with haemoglobin and makes it incapable to absorb oxygen
    D
    Dries up the blood

  • Ozone layer in atmosphere is useful, because it

    A
    stops ultraviolet radiation
    B
    stops green house effect
    C
    stops increase in temperature of atmosphere
    D
    absorbs pollutant gases

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    Which of the following is used an atomospheric pollution indicator?

    Lichens are pollution indicators. How ?

    Living in the atmosphere of CO is dangerous because it

    Which of the following is normally not an atmospheric pollutant

    Living in the atmosphere of CO is dangerous because it:

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