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
Steriliation of culture media containing serum is by - 
Select and explain. 
A. Autoclaving, B. Micropore filter, C. Gamma radiation, D. Centrifugation
B: Micropore filter
Answer: B: Micropore filter 
Explanation: 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