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What amount of BOD indicates low water pollution?(a) 4000mg/liter(b) 1500mg/liter(c) 2000mg/liter(d) 15000mg/literThe question was asked in exam.This question is from Environmental Issues in portion Environmental Issues of Biology – Class 12

Answer»

Correct answer is (b) 1500mg/liter

Explanation: Biological OXYGEN Demand (BOD) is the dissolved oxygen. It is UTILIZED for decomposing the ORGANIC wastes of water by the microbes. When the amount of BOD is 1500mg/liter, it INDICATES low water pollution.



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