A) S. typhi
B) Vibrio cholerae
C) E. coli
D) Entamoeba histolytica
Correct Answer: C
Solution :
Escherichia coli (E coli) and Enterococci are also used as indicators. Indicator bacteria are types of bacteria used to detect and estimate the level of faecal contamination of water.You need to login to perform this action.
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