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': 'All insects have developed resistance to DDT except? \nSelect and explain. \nA. Mosquito, B. Flea, C. Tsetse flies, D. Ticks', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Tsetse flies Ahropods showing resistance to DDT - Ahropods showing no resistance to DDT Houseflies (e.g., Musca domestica) Moquito (Culex, Anopheles, Aedes) Flea (rat flea, Sand flea) Lice (Pediculus capitis/corporis, Phthirus pubis) Ticks & Mites Sandlies (Phlebotomus) Tsetse flies (Gluossianae)", 'role': 'assistant'}]