First slide

Microbes in Sewage Treatment

Question

Choose the correct statement with respect to sewage treatment.

Easy

A

Activated sludge is rich in aerobic bacteria
B

Anaerobic bacteria are digested in anaerobic sludge digester
C

Biogas is produced by aerobic bacteria
D

Archaebacteria show growth and development to form flocs in aeration tank.

Solution

Activated sludge has flocs of aerobic bacteria and filamentous fungi.

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