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Environmental Issues

Question
CBSEENBI12002442
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High value of BOD (Biochemical Oxygen Demand) indicates that

  • water is pure

  • water is highly polluted

  • water is less polluted

  • consumer of organic matter in the water is higher by the microbes

Solution

B.

water is highly polluted

BOD is the measure or oxygen required for chemical breakdown of organic pollutants or wastes. High value of BOD in a water source indicates, high level of pollutants. Highly polluted water bodies has increased demand of BOD.

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