This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment, Subject name: Social & Preventive Medicine
[{'content': 'All are TRUE regarding Bacteriological surveillance of drinking water quality except \nSelect and explain. \nA. Fecal streptococci are the indicator of recent contamination of water, B. Clostridium perfringens indicate remote contamination, C. Screening test for coliform in drinking water is Presumptive coliform test, D. Clostridium perfringens is the routinely used for bacteriological surveillance of drinking water', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Discussing options one by one: OPTION 1 - True - Fecal streptococci are the indicator of recent contamination of water. OPTION 2 - True - Clostridium perfringens indicate remote contamination of water. OPTION 3 - True - Screening test for coliform in drinking water is Presumptive coliform test. OPTION 4 - False - E Coli (Coliform count) is routinely used for bacteriological surveillance of drinking water.', 'role': 'assistant'}]