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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 non-symbiotic biofertilizer                              [CBSE PMT 1998]

    A)            VAM                                         

    B)            Azotobacter

    C)            Anabaena                                

    D)            Rhizobium

    Correct Answer: B

    Solution :

      \[N{{H}_{4}}\xrightarrow{Nitrosomoas}NO\xrightarrow{Nitrobacter}N{{O}_{3}}.\]


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