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': 'In culex mosquito the type of biological transmission for filarial parasite is ? \nSelect and explain. \nA. Cyclo-developmental, B. Cyclo-propagative, C. Propagative, D. Cyclical', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Cyclo-developmental", 'role': 'assistant'}]