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 · Mountains and Their Typesmedium · 45s
The Rocky Mountains were formed mostly during the:
TopicMountains and Their Types
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 Rockies formed mainly during the Laramide orogeny (late Cretaceous to Paleogene periods), a mountain-building event caused by subduction and related tectonic processes producing uplift and folding.
Final Answer: Option B - Laramide orogeny