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    Question

    Which bacterium is responsible for denitrification in N2 cycle?

    A Nitrobactor Correct Answer Incorrect Answer
    B Nitrosomones Correct Answer Incorrect Answer
    C Rhizobium Correct Answer Incorrect Answer
    D Bacillus subtilis Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Denitrifying bacteria , microorganisms whose action results in the conversion of nitrates in soil to free atmospheric nitrogen, thus depleting soil fertility and reducing agricultural productivity.

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