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: Social & Preventive Medicine
Most heat sensitive vaccine- 
Select and explain. 
A. BCG, B. TT, C. OPV, D. Small pox
C: OPV
Answer: C: OPV 
Explanation: Ans. is 'c' i.e., OPV