Microbiology General 85ce6b87 Bile solubility is used A Differentiation of staphylococcus from streptococcus B Differentiation of group B streptococci from other streptococci C Differentiation of pneumococci from streptococci D Differentiation of streptococci from neisseria High-Yield Explanation Ans. is 'c' i.e., Differentiation of pneumococci from streptococci . Pneumococcus is bile soluble, while streptococcus is insoluble.