Question

Indicator of faecal contamination of water is

A Salmonila Correct Answer Incorrect Answer
B E.coli Correct Answer Incorrect Answer
C Listeria Correct Answer Incorrect Answer
D All Correct Answer Incorrect Answer

Solution

Faecal indicator A group of organisms that indicates the presence of faecal contamination, such as the bacterial groups thermotolerant coliforms or E.  coli . 

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