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 · Earth Movement And ImpactMedium · 45s
Which one is a Previous Year Question (PYQ): Which phenomenon explains why we have different seasons on Earth?
TopicEarth Movement And Impact
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.
Earth’s tilt and revolution together cause varying sun angles and daylight duration, resulting in seasons.
Final Answer: Option A — Revolution of Earth around the Sun and axial tilt