BHU PMT BHU PMT (Mains) Solved Paper-2009

  • question_answer
    Under anaerobic conditions, denitrifying bacterium Pseudomonas changes

    A)  nitrate to molecular nitrogen

    B)  nitrate to ammonia

    C)  nitrate to nitrite

    D)  nitrite to nitrate

    Correct Answer: A

    Solution :

                     Pseudomonas is a denitrifying bacterium. It converts organic nitrate to free nitrogen thus, reduces the soil fertility.


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