This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enterobecteriaceae, Subject name: Microbiology
Which of the following is a non motile bacteria - 
Select and explain. 
A. Klebsiella pneumoniae, B. Helicobacter pylori, C. Vibrio Cholerae, D. E.Coli
A: Klebsiella pneumoniae
Answer: A: Klebsiella pneumoniae 
Explanation: Ans. (a) Klebsiella pneumoniaeRef: Microbiology by Ananthanarayan and Paniker 8th ed. 1278, 707* All the bacteria in the list except Klebsiella pneumoniae have flagella (or endoflagella) which gives them the property of motility.