Which of the following statement is true about a hapten?: (A) It induces brisk immune response, (B) It needs carrier to induce immune response, (C) It is a T-independent Antigen, (D) It has no association with MHC
Answer is B. A hapten is a molecule that is not immunogenic by itself but reacts with a specific antibody after being joined or combined with a suitable molecule called carrier. Ref: Immunology By William L. Anderson, Page 86-87