NEET Botany Sewage Treatment MCQ Question
A diagram of a sewage treatment plant is shown. The diagram includes a tank labeled as the 'aeration tank'. What is the primary function of this aeration tank in the sewage treatment process?
To facilitate biological treatment by agitating the effluent and pumping air.
To remove large solid debris through filtration.
To chemically treat the effluent before discharge.
To store the treated water before release into rivers.
Correct Answer
Detailed Explanation
The aeration tank is used in the secondary treatment process, where primary effluent is agitated and air is pumped in to facilitate biological treatment by heterotrophic microbes.
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