Question
Question: Biological oxygen Demand (BOD) can be defined as,...
Biological oxygen Demand (BOD) can be defined as,
A
The amount of oxygen required by bacteria to break down the organic matter of a sample of water
B
The amount of chemicals required to break down the organic matter of a sample of water
C
The amount of phosphate required to oxidize the organic matter of a sample of water.
D
The amount of organic matter present in the given sample of water.
Answer
The amount of oxygen required by bacteria to break down the organic matter of a sample of water
Explanation
Solution
: The amount of BOD in water is the measure of the amount of organic matter in water in terms of how much oxygen is required to break it down biologically.