NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII10: MICROBES IN HUMAN WELFARE
343961
As the organic matter increases in a water body, the BOD:
1 Increases
2 Decreases
3 Remains unchanged
4 Not a parameter
Explanation:
BOD is the amount of oxygen that is required for biochemical decomposition of organic matter in one litre of water by bacteria. It is the amount of oxygen that is required for biochemical decomposition processes. High BOD is an indicator of heavy load of organic matter.