This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Microbiology
Germ theory of disease was proposed by? 
Select and explain. 
A. Louis Pasteur, B. Ronald Ross, C. Edward jenner, D. Robert koch
A: Louis Pasteur
Answer: A: Louis Pasteur 
Explanation: Ans. (a) Louis PasteurRef: Park 20/e, p 5, Ananthnarayan 7/e, p 5-7, Jawetz's 24/e, chapter 34