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': 'Sterilising agents include - \nSelect and explain. \nA. Dry heat, B. Ethylene oxide, C. Ether, D. Alcohol', 'role': 'user'}, {'content': "Answer: A \nExplanation: Sterilisation can be classified physical and chemical agents A.Physical agents. Sunlight Dry heat Moist heat Filtration A)Radiation B).Chemical agents Alcohols; AldeAldehydes dyes Halogens Phenols Surface active agents Metalic salts REF:Ananthanarayan & paniker's textbook of Microbiology 9th edition 28", 'role': 'assistant'}]