Class 12 Biology Microbes in Human Welfare Microbes in Sewage Treatment

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In the sewage treatment,bacterial flocs are allowed to sediment in a settling tank. This sediment is called as

A
Activated sludge
B
Primary sludge
C
Anaerobic sludge
D
Secondary sludge

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Class 12 Questions

Class 12

Biology Questions

Chapter

Microbes in Human Welfare

Subtopic

Microbes in Sewage Treatment

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