Adoptive immunity is by?: (A) Infection, (B) Injection of antibodies, (C) Injection of lymphocytes, (D) Immunization
Answer is C. Aadoptive immunity: a special type of immunisation is the injection of immunologically competent lymphocytes. - instead of whole lymphocytes, an extract of immunologically competent lymphocytes, known as the transfer factor can be used. Reference: Anathanarayan & paniker's 9th edition, pg no:84 <\p>