This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sterilization and Disinfection, Subject name: Microbiology
[{'content': 'Glassware sterilization is done by? \nSelect and explain. \nA. Hot air oven, B. Autoclaving, C. 5% cresol, D. Hotbath', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Hot air ovenRef: Ananthnarayan 8/e / 35', 'role': 'assistant'}]