select the incorrect statement.A. If `DO` of water is below 6 ppm, the growth of fish gets inhibitedB. `O_(2)` reaches water through atmosphere or photosynthesis carried out by many aquatic green plants during day lightC. If `BOD` is below 5 ppm, it indicates polluted waterD. Aerobic bacteria organic waste and decrease DO`

select the incorrect statement.A. If `DO` of water is below 6 ppm, the

1.	select the incorrect statement.A. If `DO` of water is below 6 ppm, the growth of fish gets inhibitedB. `O_(2)` reaches water through atmosphere or photosynthesis carried out by many aquatic green plants during day lightC. If `BOD` is below 5 ppm, it indicates polluted waterD. Aerobic bacteria organic waste and decrease DO`
Answer» Correct Answer - C Amount of oxygen required by bacteria of breakdown the organic matter present in a certain volume of water sample is called `BOD` (Biochemical Oxygen Demand). Clean water has `BODlt5 ppm`. Highly polluted water has `BOD ge17ppm`.

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