Question
Question: Biochemical oxygen Demand, (BOD) is a measure of organic material present in water. BOD value less t...
Biochemical oxygen Demand, (BOD) is a measure of organic material present in water. BOD value less than 5 ppm indicates a water sample to be ______
A
Rich in dissolved oxygen
B
Poor in dissolved oxygen
C
Highly polluted
D
Not suitable for aquatic life
Answer
Rich in dissolved oxygen
Explanation
Solution
: Clean water rich in dissolved oxygen would have BOD value of less than 5 ppm whereas highly polluted water could have a BOD value of 17 ppm or more.