JIPMER2011BotanyEnvironmental Issues
Biological Oxygen Demand (BOD) is a measure of
Options
- Aindustrial wastes poured into water bodies
- Bextent to which water is polluted with organic compound
- Camount of carbon monoxide inseparably combined with haemoglobin
- Damount of oxygen needed by green plants during night
Correct answer
B. extent to which water is polluted with organic compound
Step-by-step solution
Biological Oxygen Demand (BOD) is a meaure 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 matters. When larger amount of sewage is dumped in to water, the BOD will increase.