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GS Paper IUPSC Prelims 2013
Geomorphology
Question No. 99Interactive Test Mode
00:00
+2-0.66

Q99. Which of the following statements regarding laterite soils of India are correct ? 1. They are generally red in colour. 2. They are rich in nitrogen and potash. 3. They are well-developed in Rajasthan and UP. 4. Tapioca and cashew nuts grow well on these soils. Select the correct answer using the codes given below :

Which of the following statements regarding laterite soils of India are correct ?

  1. They are generally red in colour.
  2. They are rich in nitrogen and potash.
  3. They are well-developed in Rajasthan and UP.
  4. Tapioca and cashew nuts grow well on these soils. Select the correct answer using the codes given below :
Select the correct option below (or cross out options to eliminate)
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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2013 • Geography

Correct Answer: Option (C) — 1 and 4

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is correct: Laterite soils are characteristically reddish due to iron oxide accumulation. Statement 2 is incorrect: Intense leaching in high-rainfall tropical regions leaves laterite soils poor in nitrogen, phosphorus, and potassium/potash. Statement 3 is incorrect: Laterite soils develop in regions of high temperature and alternating wet and dry seasons with high rainfall (e.g., Western Ghats, parts of Odisha and Kerala), not the semi-arid/alluvial plains of Rajasthan and UP. Statement 4 is correct: Plantation crops like cashew nuts and tapioca grow well on lateritic soils when properly manured.

Elimination Heuristic & Exam Approach

Eliminate statements claiming laterite soils are fertile (rich in N/K) or occur in dry regions (Rajasthan), immediately yielding (c) 1 and 4.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2013 (Q99)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → Geomorphology
Official Answer KeyOption (C) — 1 and 4

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Frequently Asked Questions — UPSC Prelims 2013 Q99

What is the official answer for UPSC Prelims 2013 GS Paper I Question 99 (Geography)?

The official UPSC answer key for this 2013 Geography (Geomorphology) question is Option (C): "1 and 4". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2013 question belong to?

This question belongs to GS Paper I under the subject "Geography" and micro-topic "Geomorphology". You can explore all repeated questions from Geomorphology in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Geomorphology UPSC Prelims question using option elimination?

Eliminate statements claiming laterite soils are fertile (rich in N/K) or occur in dry regions (Rajasthan), immediately yielding (c) 1 and 4.

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