Class 12 Biology Microbes in Human Welfare Microbes in Sewage Treatment

Medium

In a sewage treatment plant,primary treatment is

A
Physical process which involves sedimentation only
B
Physical process which involves both filtration and sedimentation
C
Biological process which involves formation of primary sludge and effluent
D
Biological process which involves both filtration and sedimentation

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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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