NEET 2010 · Class 12

Human Health and Disease

Widal test is used for the diagnosis of

  1. (A)malaria
  2. (B)pneumonia
  3. (C)tuberculosis
  4. (D)typhoid

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 links the Widal test to typhoid diagnosis, making option D correct.

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