Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in

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Nisha Gupta

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📊 Environmental Engineering

Q. Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in

(A) Coagulation and flocculation of colloids
(B) Oxidation of carbonaceous matter to CO₂
(C) Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter to the nitrite and eventually to the nitrate
(D) All (A), (B) and (C)

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✅ Correct Answer: (D) All (A), (B) and (C)

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