Zoology - Microbes in Human Welfare Question with Solution | TestHub
ZoologyMicrobes in Human WelfareSewage TreatmentEasy2 minPYQ_2011
ZoologyEasysingle choice
Which of the following statements is correct?
Options:
Answer:
C
Solution:
Aspergillus niger is used for commercial and industrial production of certain chemicals like citric acid. Activated sludge is digested by anaerobic bacteria to produce marsh gas. BOD is amount of oxygen required by bacteria for decomposition.
Stream:AIIMSSubject:ZoologyTopic:Microbes in Human WelfareSubtopic:Sewage Treatment
⏱ 2mℹ️ Source: PYQ_2011
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