NEET Biology Organisms and population Question Bank Ecological Plant Groups and Succession

  • question_answer
    The early settlers on a barren area are [NCERT 1980]

    A) Ferns

    B) Mosses

    C) Lichens

    D) Diatoms

    Correct Answer: C

    Solution :

    Lichens are the early settlers on a barren area because they can tolerate desiccation heating during summer noon or excessive cooling during winter nights. They secrete lichen acids and carbonic acid. The acids slowly corrode rock surface and release minerals required for proper growth of lichens.


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