<prompt> True about secondary immune response is ?Long latent periodUsually of low titreAntibodies appear in sho timeAll  <response>: Ans. is c i.e., Antibodies appear in sho time Primary response Secondary response . Slow . Fast . Sluggish . Powerful . Sho lived . Prolonged antibody persists for long . Long lag phase . Sho or negligible lag phase Antibody appears in sho time . Predominant IgM . Predominant IgG Antibody is more specific . Antibody is less specific . Antibody is less avid . Antibody is more avid . Qualitative response . Quantitative response 