NEET Botany Sewage Treatment Assertion Reason Question
Assertion (A): Secondary treatment of sewage involves the use of mechanical agitation and aeration. | Reason (R): This process helps in the physical removal of floating debris and grit from sewage.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
Secondary treatment involves biological processes with mechanical agitation and aeration to promote microbial activity, not physical removal of debris, which is part of primary treatment.
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