<prompt> Genus neisseria is -Gram positive diplococciGram negative diplococciGram negative coccobacilliGram positive bacilli  <response>: Ans. is b i.e., Gram negative diplococci o The genus Neisseria consists of Gram negative aerobic nonsporulating, non motile oxidase positive cocci typically arranged in pairs diplococci.o Two important pathogens are -N. meningitidisN. gonorrhoeae 