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Get Answers to all your Questions
High value of BOD (Biochemical Oxygen Demand) indicates that:
- Option 1)
water is less polluted
- Option 2)
consumption of organic matter in the water is higher by the microbes
- Option 3)
water is pure
- Option 4)
water is highly polluted
Answers (1)
As we learnt in
Causes of water pollution -
Oil pollution
- wherein
Oil is a source of pollution in sea-water. Oil pollution is due to ship accidents, loading and discharging of oil at the harbour, oil refineries and off-shore oil production. Degree of impurity of after due to organic matter is measured in terms of BOD (Biochemical Oxygen Demand). It is the demand for O2 to decompose organic wastes in liter of water.
Option 1)
water is less polluted
Incorrect
Option 2)
consumption of organic matter in the water is higher by the microbes
Incorrect
Option 3)
water is pure
Incorrect
Option 4)
water is highly polluted
Correct
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