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UPSC 2010: When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour?
(a)Abundance of magnesium
(b)Accumulated humus
(c)Presence of ferric oxides
(d)Abundance of phosphates
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Not attemptedCorrect Answer: (c) Presence of ferric oxides
Red soils owe their characteristic red colour chiefly to coatings of ferric (iron) oxides on soil particles; magnesium, humus or phosphates are not responsible for the hue. ([iasexamportal.com](https://iasexamportal.com/Answer-Key/General-Studies-Solution-CSP-2010))
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Frequently Asked Questions
What is the correct answer to this UPSC 2010 Geography question?▼
The correct answer is option (c): Presence of ferric oxides. 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 2010, GS Paper 1, as Question 91. 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.