Question
Question: Biological oxygen demand (BOD) is the amount of oxygen that would be consumed by …… 1 if all …… 2….....
Biological oxygen demand (BOD) is the amount of oxygen that would be consumed by …… 1 if all …… 2….. matter in …..3….. litre of water is……..4……
A
(A) 1. Protozoan, 2. Inorganic, 3. 10, 4. Reduced
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(B) 1. Protozoan, 2. Organic, 3. 1, 4. Reduced
A
(C) 1. Bacteria, 2. Inorganic, 3. 10, 4. Oxidised
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(D) 1. Bacteria, 2. Organic, 3. 1, 4. Oxidised