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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
    Root nodules for nitrogen fixation in nonleguminous trees are produced by species of the genus            [BHU 1994]

    A)            Rhizobium                               

    B)            Azatobacter

    C)            Frankea                                    

    D)            Thiobacillus

    Correct Answer: B

    Solution :

     


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