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Biology
Increase of BOD in water leads to
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Q. Increase of BOD in water leads to
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Environmental Issues
A
increase in the dissolved $ {{O}_{2}} $ concentration
36%
B
decrease in the dissolved $ {{O}_{2}} $ concentration
60%
C
maintenance of dissolved $ {{O}_{2}} $ concentration at the same level
4%
D
no effect on dissolved $ {{O}_{2}} $ concentration
0%
Solution:
Biochemical Oxygen Demand (BOD) is the oxygen in milligrams required for five days in one litre of water at 20°C for the micro-organisms to metabolise organic waste. Increase of BOD in water leads to decrease in the dissolved oxygen concentration.