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NEET Biology Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली Question Bank Economic Importance of Bacteria

  • question_answer
    Which of the following is recently discovered gram positive non-leguminous nitrogen fixing bacterium [BHU 1981; AIEEE 2003]

    A)            Azospirillum                            

    B)            Rhizobium

    C)            Nitrosomonas                          

    D)            Spirillum

    Correct Answer: A

    Solution :

     


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