NEET Botany Sewage Treatment Assertion Reason Question
Assertion (A): Secondary treatment of sewage involves the use of aeration tanks.
Reason (R): Heterotrophic microbes in sewage break down organic matter through agitation and aeration.
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 but R is true.
Correct Answer
Detailed Explanation
The NCERT context explains that secondary treatment uses aeration tanks where microbes break down organic matter by agitation and aeration, supporting both the assertion and reason.
Found an issue with this question?
Related Questions
More from Sewage Treatment
More from
What is the primary use of the spent slurry produced in a biogas plant?
If a biocontrol agent reduces the need for chemical pesticides by 60%, and a farm originally used 150 kg of pesticides per season, how much pesticide ...
If a person uses 500 grams of curd with an average microbial density of 1 billion bacteria per gram, how many total bacteria are present in the curd?