HIV weakens the immune system by

  1. destroying platelets
  2. destroying red blood cells
  3. destroying lymphocytes
  4. blocking the trachea
Answer

C) destroying lymphocytes

Fewer lymphocytes means fewer antibodies. O Level Biology · Topic 12 Disease and Immunity · 12.3 Immunity

Biology MCQ · More O Level Biology: Disease and Immunity MCQs · Practise