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Punjab Medical Punjab - MET Solved Paper-2001

  • question_answer
    In leguminous plants, which pigment is essential for \[{{N}_{3}}\] fixation?

    A)  Xanthophyll

    B)  Phycocyanin

    C)  Leghaemoglobin

    D)  Anthocyanin

    Correct Answer: C

    Solution :

    A purple coloured pigment leghaemoglobin present in the cytoplasm of host cell of bacteria and it supplies \[{{N}_{2}}\] to aerobic bacteria and protects\[{{N}_{3}}\] from\[{{O}_{2}}\].


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