NEET Botany Sewage Treatment MCQ Question
Which of the following statements about sewage treatment processes is correct?
Primary treatment involves the physical removal of solid particles through filtration and sedimentation.
Secondary treatment solely relies on chemical additives to break down sewage.
Aeration tanks in secondary treatment are used to chemically treat the effluent.
Floating debris is removed during secondary treatment using biological methods.
Correct Answer
Detailed Explanation
Primary treatment is described as involving physical processes to remove solid particles, such as filtration and sedimentation, leading to the formation of primary sludge and effluent.
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