Punjab Medical Punjab - MET Solved Paper-1999

  • question_answer
    Atmospheric \[{{N}_{3}}\] fixation is carried on by

    A)  Anabaena

    B)  Funaria

    C)  Chlamydomonas

    D)  none of these

    Correct Answer: A

    Solution :

    Anabaena (blue-green algae) fixes atmospheric nitrogen asymbiotically with the help of heterocysts.


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