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UPSC Civil Service Exam Questions

Q1: Which of the following pairs is not correctly matched ?

A B.O.D. - Strength of sewage

B Methane - Product of anerobic decomposition

C C.O.D. - Biodegradability ofwaste-water

D Nitrate - Methemoglobinemia

ANS:A - B.O.D. - Strength of sewage

The Answer should be A because cod means both bio and non-biodegradable.



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