Neet Solved Paper 2015 Question 85
Question: High value of BOD (Biochemical Oxygen Demand) indicates that
Options:
A) water is pure
B) water is highly polluted
C) water is less polluted
D) consumption of organic matter in the water is higher by the microbes
Show Answer
Answer:
Correct Answer: B
Solution:
- BOD is the measure or oxygen required for chemical breakdown of organic pollutants or wastes. High value of BOD in a water source indicates, high level of pollutants. Highly polluted water bodies has increased demand of BOD.
