Solved UPSC CDS/OTA Question
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Q · Rocks and Rock CycleMedium · 45s
Which of the following are examples of extrusive igneous rocks? Basalt Obsidian Granite Pumice
TopicRocks and Rock Cycle
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Basalt, obsidian, and pumice are extrusive; granite is intrusive.
Final Answer: Option A — 1, 2 and 4 only