Zoology - Microbes in Human Welfare Question with Solution | TestHub
ZoologyMicrobes in Human WelfareSewage TreatmentEasy2 minPYQ_2020
ZoologyEasysingle choice
The amount of oxygen required by the microbes in the decomposition of organic matter is called:
Options:
Answer:
B
Solution:
BOD refers to the amount of oxygen that would consume if all the organic matter in one litre of water is to be oxidized by bacteria. The sewage water is treated till BOD is reduced. The greater the BOD, greater is the polluting potential. Once the BOD is reduced the effluent is then passed into a settling tank where the bacterial flocs are allowed to settle.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Microbes in Human WelfareSubtopic:Sewage Treatment
⏱ 2mℹ️ Source: PYQ_2020
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