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 · Health and Disease Medium · 45s
Which of these diseases is transmitted through contaminated water?
TopicHealth and Disease
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.
Cholera spreads through contaminated water or food. Vibrio cholerae is the bacterium responsible.
Final Answer: Option B — Cholera