This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Microbiology
[{'content': 'Indicator for sterilization by autoclave - \nSelect and explain. \nA. Bacillus subtilis, B. Bacillus stereothermophilus, C. Staphylococcus aureus, D. Clostrtidium tetani', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Bacillus stereothermophilus Type of SterilizationSpore usedMoist heat (autoclave)Bacillus stearothermophilusDry heat (hot air oven)Bacillius subtilisIonizing radiationBacillus pumilisGas sterilization (ethylene oxide)Bacillus subtilisPlasma sterilizationBacillus stearothemophilus", 'role': 'assistant'}]