Solved UPSC CDS/OTA Question
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Q · Internal Structure of The EarthMedium · 45s
Consider the following statements regarding the Earth’s crust: The oceanic crust is generally younger than the continental crust. The continental crust is mainly composed of basalt.Which of the above statements is/are correct?
TopicInternal Structure of The Earth
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Q 1 / 60Next question →
Step-by-Step Solution
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The oceanic crust is indeed younger because it is continuously formed at mid-oceanic ridges and destroyed at subduction zones. The continental crust is primarily granitic, not basaltic.
Final Answer: Option A - 1 only