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Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 6 (Q.No. 5)
UPSC Civil Service Exam Questions
5.
What does high COD to BOD ratio of an organic pollutant represent ?
High biodegradability of the pollutant
Low biodegradability of the pollutant
Presence of free oxygen for aerobic decomposition
Presence of toxic material in the pollutants
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
15 comments Page 2 of 2.
Vikash prajapati said:   8 years ago
Option B is correct.

@Ars.
D option correct for inorganic substance in pollutant.
Saurabh said:   8 years ago
According to me, the answer should be B.
Ars said:   9 years ago
I think option D is the answer.
Aakash sharma said:   10 years ago
If COD to BOD ratio is high then biodegradability will be low.
Sunil said:   1 decade ago
COD includes decomposition of pollutants chemically, but in case of BOD, it includes only organic decomposition, BOD does not encounter inorganic compound, means if there is degradable pollutants then value of COD would be high.
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