Solved UPSC CDS/OTA Question
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Q · Landformsmedium · 45s
What is a stack in coastal geomorphology?
TopicLandforms
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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A stack is an isolated pillar of rock standing in the sea, formed by coastal erosion. It develops when waves erode a headland, first creating caves, then arches as the caves meet, and finally stacks when the arch collapses, leaving an isolated column of resistant rock surrounded by water.
Final Answer: Option B - An isolated pillar of rock in the sea