This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Griffith experiment was done on ? 
Select and explain. 
A. Streptococcus, B. Pneumococcus, C. Enterococcus, D. Staphylococcus
B: Pneumococcus
Answer: B: Pneumococcus 
Explanation: Ans. is 'b' i.e., Pneumococcus In 1928, Frederick Griffith's experiment first demonstrated transformation in streptococcus pneumoniae.Frederick Griffith's experiment on pneumococcus (streptococcus pneumoniae) proved that genetic characters are transmitted from one generation to the other through transformation.