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AMU Medical AMU Solved Paper-2006

  • question_answer
    Free  living  aerobic  non-photosynthetic nitrogen fixing bacterium is

    A)                  Azotobacter                     

    B)  B. coli

    C)                  Nostoc                                

    D)  Salmonella

    Correct Answer: A

    Solution :

                     Azotobacter    is     free-living    aerobic non-photosynthetic nitrogen fixing bacterium. Nostoc is free living and also symbiotic photosynthetic nitrogen fixing cyanobacteria.


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