Q. Which one of the following statements is correct with respect to immunity ?
A) Preformed antibodies need to be injected to treat the bite by a viper snake
B) The antibodies against small pox pathogen are produced by T-lymphocytes
C) Antibodies are protein molecules, each of which has four light chains
D) Rejection of a kidney graft is the function of B-lymphocytes
Explanation
[Solution from source] Snake antivenom supplies preformed antibodies (passive immunisation), which is needed for a quick response to viper venom. Antibodies are made by B-lymphocytes and have two light and two heavy chains, and graft rejection is mediated by T-lymphocytes. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.