SSC General Science & Technology Sample Paper NCERT Sample Paper-6

  • question_answer
    Which of the following bacteria has potential for nitrogen fixation

    A)  Nostoc 

    B)  Aulosira

    C)  Anabaena        

    D)  Rhizobium

    Correct Answer: D

    Solution :

    [d] Rhizobiumis found in the root nodules of leguminous plant which shows symbiotic association. It converts free nitrogen of atmosphere in the form of nitrogen compound, called nitrogen fixation which gets food and shelter from plants.

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