NEET Botany Sewage Treatment MCQ Question
If a sewage treatment plant processes 10 million gallons of sewage per day, and the effluent from primary treatment is 60% of the initial sewage volume, how many million gallons are sent to secondary treatment each day?
6 million gallons
4 million gallons
10 million gallons
8 million gallons
Correct Answer
Detailed Explanation
The primary treatment results in 60% of the initial sewage volume as effluent. Therefore, 60% of 10 million gallons, which is 6 million gallons, is sent to secondary treatment.
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