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VMMC VMMC Medical Solved Paper-2002

  • question_answer
    Non symbiotic nitrogen fixation is done by:

    A)  Frankia                                

    B)  Anabaena         

    C)         Azotobacter     

    D)         Rhizobiwn

    Correct Answer: C

    Solution :

    Azotobacter (aerobic) and Clostridium (anaerobic) are free living nitrogen fixing bacteria. While Rhizobium, Frankia are symbiotic nitrogen fixing bacteria and Anabaena is symbiotic nitrogen fixing cyanobacteria.


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