Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Digestive SystemMedium · 45s
Which is the pH of the gastric juice in the stomach?
TopicDigestive System
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Gastric juice is strongly acidic due to hydrochloric acid.
Final Answer: Option A — 1.5 – 2.5