63.In Griffith’s experiment, S-strain bacteria are also called as: A. Virulent B. Non-Virulent C. Non- infectious D. Both b and c
Option A During the experiment, Griffith cultured Streptococcus pneumoniae bacteria which showed two patterns of growth. One culture plate consisted of smooth shiny colonies (S) while other consisted of rough colonies (R). The difference was due to the presence of mucous coat in S strain bacteria, whereas the R strain bacteria lacked them.