<prompt> Which of the follow ing interleukin is secreted by T helper 2 cells -IL 11IL7IL lIL13  <response>: Ans. is d i.e. IL 13 T helper -1 TH1 secretes - 1L-2 and interferon - gT helper - 2 TH2 secretes - IL-4, IL-5, IL-6, IL-13. 