NEET Biology Organisms and population Question Bank Critical Thinking Questions

  • question_answer
    The change of the lighter coloured variety of peppered moth Biston betularia to its darker variety (carbonaria) is due to [CBSE PMT 1995]

    A) Mutation of single Mendelian gene for survival in the smoke-laden industrial environment

    B) Deletion of a segment of gene due to industrial pollution

    C) Industrial carbon deposited on the wings of moth resulting in darker variety

    D) Translocation of a block of genes in chromosomes in response to heavy carbons

    Correct Answer: A

    Solution :

    Not Available


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