Genus neisseria is ?: (A) Gram positive diplococci, (B) Gram negative diplococci, (C) Gram negative coccobacilli, (D) Gram positive bacilli
Answer is B. 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).