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Q. Biological Oxygen Demand (BOD) is a measure of:

Punjab PMETPunjab PMET 2006

Solution:

Biological Oxygen Demand (BOD) is a measure of polluting organic matter present in a sample of water. BOD is higher in polluted sewage water and is connected with both microbes and organic matter. When larger amount of sewage is dumped into water, the BOD will increase.