Biology · Environmental Biology & Waste Management
Consider the following statements and select the correct answer using the options below: Statement I: Treatment of wastewater is done by autotrophic microbes naturally present in sewage. Statement II: The greater the BOD (Biochemical Oxygen Demand) of wastewater, the lesser is its polluting potential.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement I is correct and Statement II is incorrect
- 2Both statements are correct
- 3Both statements are incorrect✓
- 4Statement I is incorrect and Statement II is correct
Correct answer
Both statements are incorrect
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