Solved UPSC CDS/OTA Question
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Q · Wind and Pressure BeltMedium · 45s
Which of the following statements are true about basalt? It is dark-colored and fine-grained. It is extrusive in nature. It contains high silica content.
TopicWind and Pressure Belt
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Basalt is dark and fine-grained with low silica. It is formed from lava, hence extrusive.
Final Answer: Option A — 1 and 2 only