NEET 2012 · Class 12

Human Health and Disease

Widal test is carried out to test (2012)

  1. (A)malaria
  2. (B)diabetes mellitus
  3. (C)HIV/AIDS
  4. (D)typhoid fever

The NCERT line that answers it

Verbatim line

Typhoid fever could be confirmed by **Widal test** : A classic case in medicine, that of Mary Mallon nicknamed *Typhoid Mary*, is worth mentioning here.

Chapter
Human Health and Disease
Section
7.1 COMMON DISEASES IN HUMANS

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'Typhoid fever could be confirmed by Widal test', which directly and conclusively answers the MCQ by linking the Widal test specifically to typhoid fever.

We did this for 1,565 questions.

Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

Question text is reproduced from the published NEET 2012 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.