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    Question

    A microbial process in the nitrogen cycle that involves

    the reduction of nitrate (NO ₃⁻ ) and nitrite (NO ₂⁻ ) in soil or water to gaseous nitrogen compounds, such as nitrogen gas (N ₂ ) or nitrous oxide (N ₂ O). This process is carried out by denitrifying bacteria, namely __________
    A Nitrobacter Correct Answer Incorrect Answer
    B Nitrosomonas Correct Answer Incorrect Answer
    C Nitrococcus Correct Answer Incorrect Answer
    D Psudomonas Correct Answer Incorrect Answer

    Solution

    Psudomonas denitrificans : involved in the process of  liberation of N2 and N2O.

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