WBCS.LIVE practice question

ELISA test is employed to diagnose

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. POLIO VIRUS
  2. AIDS antibodies
  3. Tuberculosis
  4. Cancer

Correct answer and explanation

Correct answer: AIDS antibodies

Explanation: The ELISA test is used to detect AIDS antibodies in the blood. 📚 Other Information: ▪️ ELISA stands for Enzyme-Linked Immunosorbent Assay. ▪️ It detects the presence of HIV antibodies produced in response to infection. ▪️ The test works on the principle of antigen–antibody reaction. ▪️ It is the most common screening test for early detection of HIV. ▪️ Confirmatory tests like Western Blot are used after a positive ELISA result. ▪️ Developed by Engvall and Perlmann in 1971. ▪️ Also used for detecting other diseases like hepatitis, dengue, and COVID-19. ▪️ ELISA is preferred for being cost-effective, quick, and accurate.