Current Affairs · Environment and Ecology
Consider the following statements regarding the Central Pollution Control Board's (CPCB) methodology and reports on river pollution in India: I. A 'polluted river stretch' is designated when Biochemical Oxygen Demand (BOD) levels consistently exceed 3 mg/L. II. Priority Class I river stretches are defined as those where BOD levels exceed 30 mg/L. III. Recent assessments showed a decline in the total number of identified polluted river stretches across the country. IV. Maharashtra has historically recorded the highest number of polluted river stretches among all states. Which of the above statements is/are NOT correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1None of the above✓
- 2I and IV only
- 3I and II only
- 4I only
Correct answer
None of the above
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