Social & Preventive Medicine Organophosphate insecticides are all except – a) Dieldrinb) Fenthion c) Diazinond) Propoxure) Lindane A acd B bde C ade D ad 💡 Explanation Organophosphate insecticides are all except – a) Dieldrinb) Fenthion c) Diazinond) Propoxure) Lindane ✓ Correct Answer: C. ade