Solved UPSC CDS/OTA Question
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Q · Internal Structure of The Earthmedium · 45s
What is the lithosphere?
TopicInternal Structure of The Earth
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The lithosphere is the rigid, outermost shell of the Earth including the crust and the uppermost solid part of the mantle. It is broken into tectonic plates that float on the more ductile asthenosphere beneath, whose motion causes continental drift.
Final Answer: Option B - Rigid outer shell including crust and upper mantle