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  4. Ecology And Environment

SSC Ecology And Environment Sample Paper NCERT Sample Paper-6

  • question_answer
    Which among the following is an air pollution indicator?

    A)  Algae  

    B)  lichen

    C)  Fungi   

    D)         ferns

    Correct Answer: B

    Solution :

    [b] Lichens are air pollution indicators, because of their slow growing, and ability to accumulate environmental substances like \[S{{O}_{2}}\] and other oxides, fluorides, heavy metals radionuclides, agricultural chemicals and biocides.


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