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
Gram (+)ve bacilli causing meningitis: 
Select and explain. 
A. Pneumococci, B. Listeria, C. E. coli, D. Meningococci
B: Listeria
Answer: B: Listeria 
Explanation: Ans. (b) i.e. Listeria