Civil Engineering MCQAE Level Civil Engineering

Sewage treatment in an oxidation pond is done by

Environmental EngineeringEnvironmental EngineeringMEDIUM

Choose the correct answer

A

algal photosynthesis

B

bacterial oxidation

C

algal-bacterial symbiosis

D

chemical oxidation

Correct Answer

C. algal-bacterial symbiosis

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Oxidation ponds function through symbiosis: algae supply oxygen and bacteria oxidize organic matter

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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.

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