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Question
A high Biological oxygen demand (BOD) indicates that ______.
Options
Water is pure
Absence of microbial action
Low level of microbial pollution
High level of microbial Pollution
MCQ
Fill in the Blanks
Solution
A high Biological oxygen demand (BOD) indicates that high level of microbial Pollution.
Explanation:
A high BOD shows the presence of a significant number of microorganisms, implying that the pollution level is considerable.
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