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WBCS Preliminary Examination 2022 — General Studies · Question 144 of 200

Q144
General ScienceBiology
ELISA test is employed to diagnose
  1. a.Polio virus
  2. b.AIDS antibodies
  3. c.Tuberculosis
  4. d.Cancer

Answer: (B) AIDS antibodies

The ELISA (Enzyme-Linked Immunosorbent Assay) test is the primary screening test for HIV/AIDS. It detects antibodies to HIV in a person's blood serum. Due to its high sensitivity, it is widely used as the first-line diagnostic tool, and positive results are confirmed by the Western Blot test.