Answer and explanation

Correct answer: B. It secretes large amounts of antibody that is specific to one antigen

  1. Step 1: B cells that are activated divide and differentiate into plasma cells.
  2. Step 2: Plasma cells are specialised for antibody secretion.
Answer
secretes antibody.
Why not the others: Engulfing is by macrophages; destroying cells is by cytotoxic T cells; memory belongs to memory cells.

Practise more Infectious and Non-infectious Disease and Cell Function.

Free questions with an explanation for every one, and full timed NSW HSC mock tests.