Solved UPSC CDS/OTA Question
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Q · Rocks and Rock Cyclemedium · 45s
Which of the following is true about basalt?
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 when lava cools quickly at or near the Earth’s surface. Rapid cooling prevents large crystals from forming, resulting in a fine-grained texture. It is commonly found in oceanic crust and volcanic regions.
Final Answer: Option C - It forms from rapidly cooled lava