Microbiology General 870678c1 Genus neisseria is ? A Gram positive diplococci B Gram negative diplococci C Gram negative coccobacilli D Gram positive bacilli High-Yield 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).