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
Genus neisseria is ? 
Select and explain. 
A. Gram positive diplococci, B. Gram negative diplococci, C. Gram negative coccobacilli, D. Gram positive bacilli
B: Gram negative diplococci
Answer: B: Gram negative diplococci 
Explanation: Ans. is 'b' i.e., Gram negative diplococci The genus Neisseria consists of Gram negative aerobic nonsporulating, non motile oxidase positive cocci typically arranged in pairs (diplococci).