Answer:
The correct option is: d. a Gram- negative diplococcus with a polysaccharide capsule and fimbriaee.
Explanation:
Neisseria meningitidis is a Gram-negative bacterium, responsible for causing meningitis and other meningococcal diseases. Due to the round shape of the bacterium, this bacteria is called coccus. This bacterium also has a tendency to form pairs and is thus referred to as diplococcus.
Some of the virulence factors of this bacteria include the fimbriae and the polysaccharide capsule.
