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 bony thorax consists of the sternum, thoracic vertebrae, and how many pairs of ribs?
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.
Humans possess 12 pairs of ribs forming the ribcage.
Final Answer: Option C - 12