This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Autoclaving is done at what temperature for 15 minutes: March 2010 
Select and explain. 
A. 118 degree C, B. 121 degree C, C. 126 degree C, D. 134 degree C
B: 121 degree C
Answer: B: 121 degree C 
Explanation: Ans. B: 121 degree C