BHU PMT BHU PMT (Mains) Solved Paper-2007

  • question_answer
    Under anaerobic conditions, bacterium Pseudomonos changes

    A)  nitrate to molecular nitrogen

    B)  nitrate to ammonia

    C)  nitrate to nitrite

    D)  nitrite to nitrate

    Correct Answer: A

    Solution :

                 There are some denitrifying bacteria presea in the soil which convert ammonium compounds (nitrates) of the soil into free nitrogen in the atmosphere, eg, Bacillus denitrificans, Pseudomonas.


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