First slide
Microbes in Sewage Treatment
Question

The organisms mainly involved in sewage treatment are 

A. Algae

B. Bacteria

C. Fungi

D. Protozoans

Easy
Solution

In biological treatment of sewage mainly there is involvement of aerobic bacteria and fungi is aeration tank to reduce the organic matter of sewage and anaerobic bacteria (archaebacteria) in the degradation of flocs in anaerobic sludge digester. 

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