WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    Lichens are important in the studies on atmospheric pollution because they

    A)  can grow in polluted atmosphere

    B)  can readily multiply in polluted atmosphere

    C)  efficiently purify the atmosphere

    D)  are very sensitive to pollutants tike sulphur dioxide

    Correct Answer: D

    Solution :

                    Lichens are extremely sensitive to \[S{{O}_{2}}\] and could be regarded as indicator of \[S{{O}_{2}}\]pollution.


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