True about secondary immune response is -: (A) Long latent period, (B) Usually of low titire, (C) Antibodies appear in sho time, (D) Persist for long
Answer is C. if an individual who is actively immunized against an antigen experiences the same antigen subsequently, the immune response occurs more quickly and abundantly than during the first encounter. This is known as a secondary response. Reference : Anathanarayan & paniker's 9th edition, pg no:81,82 <\p>