This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'Steriliation of culture media containing serum is by - \nSelect and explain. \nA. Autoclaving, B. Micropore filter, C. Gamma radiation, D. Centrifugation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Micropore or membrane filter is made of cellulose ester which is used to purify serum containing culture media, Solutions for parentral use. REF:Textbook of microbiology, Ananthanarayan and Paniker. Page no.:33', 'role': 'assistant'}]