<prompt> Which of the following is a superantigen -Exfoliative toxin of staphylococcusLipopolysaccharide of gram negative bacteriaEnterotoxin of V choleraeShiga toxin of EHEC  <response>: Ans. is a i.e., Exfoliative toxin of staphylococcus Examples of superantigeny Staphylococcal toxic shock syndrome toxiny Staphylococcal enterotoxinsy Staphylococcal exfoliative erythrogenic toxiny Streptococcal toxic shock syndrome toxiny Certain nonhuman retroviral proteinsy Yersinia pseudotuberculosisy Mycoplasma arthritis.y Mouse mammary tumor virus. 