NEET Botany Sewage Treatment Assertion Reason Question
Assertion (A): Secondary treatment of sewage involves biological processes to degrade organic matter.
Reason (R): Microbial activity is enhanced by aeration in large tanks to form flocs.
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
The NCERT context explains that secondary treatment, also known as biological treatment, involves microbial activity enhanced by aeration to degrade organic matter.
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