Solved UPSC CDS/OTA Question
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Q · Rocks and Rock Cyclemedium · 45s
Which rock is an example of an extrusive igneous rock?
TopicRocks and Rock Cycle
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Basalt is an extrusive igneous rock formed by the rapid cooling and solidification of lava on the Earth’s surface. It contrasts with granite, an intrusive igneous rock cooled slowly underground, resulting in different textures and mineral sizes.
Final Answer: Option B - Basalt