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: Unknown
Generation time for E.coli is 
Select and explain. 
A. 2 MIN, B. 20 MIN, C. 2 hrs, D. 20 days
B: 20 MIN
Answer: B: 20 MIN 
Explanation: Ans: b) 20mts Generation time of E COLI 20 MIN M TB 16-18 HOURS M LEPRAE 14 DAYS