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 · Human Skeletal System Medium · 45s
The longest bone in the human body is:
TopicHuman Skeletal 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.
The femur (thigh bone) is the longest and strongest bone in the body.
Final Answer: Option C — Femur