Zoology - Microbes in Human Welfare Question with Solution | TestHub
ZoologyMicrobes in Human WelfareSewage TreatmentEasy2 minPYQ_2020
ZoologyEasysingle choice
BOD refers to:
Options:
Answer:
B
Solution:
The measure of oxygen used by microorganisms to decompose the waste is called biological oxygen demand. To decompose waste a large number of bacteria are present and for that demand for oxygen will be high. So the BOD will be high. It will decrease when waste is completely consumed. So the correct answer will be C.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Microbes in Human WelfareSubtopic:Sewage Treatment
⏱ 2mℹ️ Source: PYQ_2020
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