<prompt> True statement regarding Pneumococcus is:Virulence is due to polysaccharide capsuleCapsule is protein in natureAntibodies against capsule are not protectiveResistance to penicillin has not yet been reported  <response>: Ans. is a i.e., Virulence is due to polysaccharide capsule Capsular polysaccharide is the principal virulence factor, protects it from phagocytosis. Other virulence factors are toxins pneumolysin and autolysin. 