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10th Class Science Management of Natural Resources Question Bank Management of Natural Resources

  • question_answer
    Which of the following is free living nitrogen fixing bacteria present in air?

    A) Azatobacter                     

    B) Nitrosomonas 

    C) Rhizobium                         

    D) Pseudomonas

    Correct Answer: A

    Solution :

    Azatobacter bacteria is a free living nitrogen fixing bacteria present in air.


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