NEET2015Zoology-Sewage Treatment
NEET 2015 Zoology Water Pollution MCQ Question
Type: MCQ-conceptual-Medium-Class 12
High value of BOD (Biochemical Oxygen Demand) indicates that :-
A
Water is highly polluted
B
Water is less polluted
C
Consumption of organic matter in the water is higher by the microbes
D
Water is pure
Correct Answer
Option A
Detailed Explanation
A high BOD indicates a high level of organic pollution, as it measures the amount of oxygen required by aerobic microorganisms to decompose organic matter in water.
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