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: Microbiology
All of the following are true for Yersinia pestis EXCEPT: March 2013 
Select and explain. 
A. Gram positive, B. Non motile, C. Non sporing, D. Pleomorphic
A: Gram positive
Answer: A: Gram positive 
Explanation: Ans. A i.e. Gram positive Yersinia pestis is sho, plump, Gram-negative with rounded end and convex sides.