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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 one of the following can utilize molecular nitrogen \[({{N}_{2}})\] as nutrient for growth              [MP PMT 1998]

    A)            Rhizobium                               

    B)            Spirogyra

    C)            Mucor                                       

    D)            Methanococcus

    Correct Answer: D

    Solution :

               Some bacteria can fix atmospheric \[({{N}_{2}})\] like Azotobacter and Clostridium, some bacteria can change nitrogen of ammonia into nitrate like Nitrosomonas and some bacteria help in biogeochemical cycle by braking of complex organic compound into simple inorganic compound.


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