. Biological Oxygen Demand (BOD) is a measure of
A: Industrial wastes poured into water bodies.
B: Extent to which water is polluted with organic compounds.
C: Amount of carbon monoxide inseparably combined with haemoglobin.
D: Amount of oxygen needed by green plants during night.
Biochemical oxygen demand is stated as the amount of oxygen which is consumed by bacteria and other microorganisms present in the ecosystem e.g.
waterbodies, while they decompose organic matter present in it under aerobic conditions. Therefore BOD is essentially a measure of water polluted by organic compounds.
Hence the correct option is B