NEET Botany Sewage Treatment MCQ Question
What is the primary purpose of the primary treatment stage in sewage treatment?
To physically remove particles and solids from sewage
To biologically degrade organic matter using microbes
To chemically disinfect the sewage before discharge
To convert sewage into biogas for energy production
Correct Answer
Detailed Explanation
The primary treatment stage involves the physical removal of particles from sewage through filtration and sedimentation, resulting in primary sludge and effluent.
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