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
Which of the following is non-motile: 
Select and explain. 
A. Pseudomonas aeruginosa, B. Burkholderia mallei, C. Burkholderia pseudomallei, D. None of the above
B: Burkholderia mallei
Answer: B: Burkholderia mallei 
Explanation: Ans. is. 'b' i. e., Burkholderia mallei