Which of the following staphylococcal protein is a superantigen-

Ans. is 'a' i.e., Exfoliative toxin Examples of superantigeno Staphylococcal toxic shock syndrome toxino Staphylococcal enterotoxinso Staphylococcal exfoliative (erythrogenic) toxino Streptococcal toxic shock syndrome toxino Certain nonhuman retroviral proteinso Yersinia pseudotuberculosiso Mycoplasma arthritis,o Mouse mammary' tumor virus.