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    Question

    _______ is known as biological

    reduction
    A Nitrification Correct Answer Incorrect Answer
    B Ammonisation Correct Answer Incorrect Answer
    C Volatilization Correct Answer Incorrect Answer
    D Dentrification Correct Answer Incorrect Answer

    Solution

    Dentrification is the Sequential reduction of nitrate to N2 through denitrifying bacteria (Pseudomonas, Bacillus) under anaerobic conditions (waterlogged soils) It is controlled by soil moisture, redox potential, temperature, pH and substrate concentration (NO3, NO2, NO, N2O)         Nitrite → Nitric Oxide →   Nitrous oxide → Nitrogen  

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