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J & K CET Medical J & K - CET Medical Solved Paper-2004

  • question_answer
    Which of the following is free living aerobic and non-photosynthetic nitrogen fixing bacterium ?

    A)  Azotobacter                     

    B)  Rhizobium

    C)  Anabaena                         

    D)  Clostridium

    Correct Answer: A

    Solution :

                    Azotobacter is aerobic, non-photosynthetic nitrogen fixing bacteria. These thought to maintain reduced oxygen concentration through their high level of respiration.


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