<prompt> Neisseria is morphologically -Grame negative bacilliGram positive bacilliGram negative cocciGram positive cocci  <response>: Ans. is c i.e., Gram negative cocci BacteriaGram positiveGram negativeCocciBacialliCocciBacilli or coccobacilli Staphylococci Streptococci Enterococci Corynebacterium Bacillus Clostridia Listeria Neisseria Moraxella Veillonella All other medically important bacteria 