27.In Griffith’s Experiment, R-Strain Bacteria were- A. Virulent B. Non-Virulent C. Infectious D. None of the above
Option B Griffith's experiment was an experiment done in 1928 by Frederick Griffith. He performed experiments on two strains of Streptococcus pneumoniae or Diplococcus pneumoniae bacteria, a type III-S (smooth) which was virulent, and a type II-R (rough) strain which was nonvirulent. The experiment showed that bacteria bacteria are capable of transferring genetic information through a process known as transformation
