The pulling strength of community waste water is usually characterized by its

The pulling strength of community waste water is usually characterized by its

Options

(a) BOD
(b) CFC
(c) MIC
(d) ABS

Correct Answer:

BOD

Explanation:

Strength of sewage or degree of water pollution is measured in terms of BOD (Biological Oxygen Demand) value. BOD may be defined as, ‘number of miligrams of O₂ required for decomposition of one litre of waste or water by decomposing micro-organisms (bacteria).

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