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 in- 
Select and explain. 
A. Dry air at 121°C and 151 B pressure, B. Steam at 100°C for 30 minutes, C. Steam at 121°C for 15 minutes, D. Dry air at 160°C for 30 minutes
C: Steam at 121°C for 15 minutes
Answer: C: Steam at 121°C for 15 minutes 
Explanation: None