This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Influenza virus culture is done on - \nSelect and explain. \nA. Chorioallantonic membrane, B. Allantoic cavity, C. Yolk sac, D. ALL', 'role': 'user'}, {'content': "Answer: B \nExplanation: Inoculation into the allantoic cavity provides a rich yield of influenza and some paramyxoviruses REF: ANANTHANARAYANAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO.434", 'role': 'assistant'}]