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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 a free living nitrogen fixing bacteria present in the soil          [J & K CET 2005]

    A)            Pseudomonas                         

    B)            Rhizobium

    C)          Azotobacter                              

    D)            Nitrosomonas

    Correct Answer: C

    Solution :

                 Azotobacter (aerobic) is a free living \[{{N}_{2}},\] fixing bacteria. it is developed in root nodules and fix atmospheric N2 into ammonia in symbiotic association with leguminous plants.


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