Which of the following is a bacteriological indicator of water quality?
Correct Answer: E.coli
Description: Coliform organisms: Primary & most reliable bacterial indicator for water quality. E. coli is most impoant coliform indicator. Fecal streptococci: Indicate 'recent contamination of water'. Clostridium perfringens: Indicate 'remote contamination of water'.
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Social & Preventive Medicine
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