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
Which of the following bacterium is non-motile? 
Select and explain. 
A. Klebsiella spp, B. Citrobacter spp, C. Escherichia spp, D. Salmonella spp
A: Klebsiella spp
Answer: A: Klebsiella spp 
Explanation: (Refer: Anantha Narayanan and Paniker’s Textbook of Microbiology, 9th edition, pg no: 19-20)
Motility of Enterobacteriaceae members