This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Organophosphate insecticides are all except – a)  Dieldrinb)  Fenthion c)  Diazinond)  Propoxure)  Lindane \nSelect and explain. \nA. acd, B. bde, C. ade, D. ad', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Organo-phosphorus Insecticides:\n– Malathion – Parathion\n– Fenthion – Diazinon\n– Fenitrothion – Chlorpyrifos\n– Dioxathion – Chlorthion\nOrgano-chlorine Insecticides:\n– DDT – BHC (HCH)\n– Lindane – Dieldrin\nCarbamate Insecticides:\n– Carbaryl – Propoxur', 'role': 'assistant'}]