This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
[{'content': '"Nuisance mosquito" is - \nSelect and explain. \nA. Anopheles, B. Culex, C. Ades, D. Tsetse fly', 'role': 'user'}, {'content': "Answer: B \nExplanation: Genus Culex are called nuisance mosquitoes. Impoant vector of the group Culex fatigans is the vector of bancroftian filariasis in India. C.fatigans is essentially a domestic species and is found everywhere. Rapid urbanization and pollution have increased the spread. It breeds in diy water. Culex mosquitoes cause Bancroftian filariasis, Japanese encephalitis, West Nile fever, Viral ahritis. Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 831", 'role': 'assistant'}]