Solved UPSC CDS/OTA Question
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Q · Mountains and Their Typesmedium · 45s
How do residual mountains form?
TopicMountains and Their Types
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Residual mountains result from the long-term erosion and weathering of softer surrounding rocks, leaving more resistant rock masses standing as isolated hills or mountains. They represent old landforms that survived geological changes, often shaped by water, wind, and chemical erosion.
Final Answer: Option D - By prolonged erosion of surrounding areas