Choose the word that can substitute the given sentence.
The art of identifying a disease from its signs and symptoms

Correct option is B

The correct one-word for the given phrase is (b) Diagnosis.
Diagnosis: The process of identifying a disease based on symptoms. (रोग की पहचान)
Example: Early diagnosis is key to successful treatment.
Meanings of other options:
· (a) Biopsy – Examining tissue from a body.
· (c) Prognosis – Forecast of the disease’s progress.
· (d) Autopsy – Post-mortem examination.