<prompt> Streptococcus and pneumococcus are differentiated by-Bile salt solubilityGrowth characteristicGram stainingall  <response>: Ans. is a i.e., Bile salt solubility . Pneumococcus is bile soluble, while streptococcus is insoluble. Pneumococcus ferments inulin, streptococcus does not. 