Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 2 (Q.No. 11)
11.
Sewage treatment in an oxidation pond is accomplished primarily by :
Discussion:
4 comments Page 1 of 1.
Keshav Kaushik said:
7 years ago
Bacteria decomposes organic matter and the by-products of that decomposition such as Co2, ammonia, nitrates are used by algae to accomplish photosynthesis and thus produce oxygen which in turn is used by bacteria to decompose more organic waste.
So, option A is correct.
Although as per latest studies, even fungi are involved in the cleaning process.
So, option A is correct.
Although as per latest studies, even fungi are involved in the cleaning process.
Rana Sen said:
7 years ago
Because first oxygen is produced by the help of algae with sunlight. Then this oxygen is req for microbial action.
Roy said:
8 years ago
A is the correct answer.
Samiran mondal said:
7 years ago
I agree @Roy.
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