NEETZoology-Environmental Issues
NEET Zoology Waste Management MCQ Question
Type: MCQ-fact-Easy
In sewage treatment, primary treatment basically involves physical removal of particles from the sewage through;
A
Filtration and sedimentation.
B
Anaerobic sludge digesters.
C
Reducing the biochemical oxygen demand.
D
Vigorous growth of useful aerobic microbes into flocs.
Correct Answer
Option A
Detailed Explanation
Primary treatment involves the physical removal of large and small particles through filtration and sedimentation.
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