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

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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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Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)

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