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UPSC 2021: The black cotton soil of India has been formed due to the weathering of Which of the statements given above
(a)brown forest soil is/are correct?
(b)1 only
(c)fissure volcanic rock 2 onl ) e
(d)granite and schist
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Not attemptedCorrect Answer: (b) 1 only
India’s ‘black-cotton’ (regur) soils develop in situ over the Deccan Trap, a vast plateau of basaltic fissure-flow lava; prolonged chemical weathering of this mafic rock yields the characteristic dark, clay-rich vertisols. Granite–gneiss, shale–limestone or brown forest parent materials do not produce typical black cotton soil. Hence option (b) is correct. ([britannica.com](https://www.britannica.com/place/India/Black-soils?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2021 Geography question?▼
The correct answer is option (b): 1 only. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Indian Agriculture & Land Use question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2021, GS Paper 1, as Question 64. It falls under Geography > Indian Agriculture & Land Use.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Indian Agriculture & Land Use?▼
UPSC has asked 46 questions from Indian Agriculture & Land Use (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.