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GS Paper IUPSC Prelims 2013
Geomorphology
Question No. 239Interactive Test Mode
00:00
+2-0.66

Q239. The Narmada river flows to the west, while most other large peninsular rivers flow to the east. Why? 1. It occupies a linear rift valley. 2. It flows between the Vindhyas and the Satpuras. 3. The land slopes to the west from Central India. Select the correct answer using the codes given below.

The Narmada river flows to the west, while most other large peninsular rivers flow to the east. Why?

  1. It occupies a linear rift valley.
  2. It flows between the Vindhyas and the Satpuras.
  3. The land slopes to the west from Central India.

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 (A) — 1 only

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is correct: The Narmada flows westward because it flows through a fault-guided linear rift valley created due to tectonic subsidence.

Statement 2 is an accompanying geographical fact but not the causal explanation for its westward flow (it flows west because of the structural rift gradient, not merely because hills border it).

Statement 3 is incorrect: The general regional tilt of the Peninsular plateau is from west to east, which is why almost all other large peninsular rivers (Godavari, Krishna, Mahanadi, Cauvery) flow eastward into the Bay of Bengal.

Elimination Heuristic & Exam Approach

The peninsula tilts eastward (causing most rivers to flow east); therefore, statement 3 is factually wrong, eliminating (b) and (c).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2013 (Q239)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → Geomorphology
Official Answer KeyOption (A) — 1 only

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Frequently Asked Questions — UPSC Prelims 2013 Q239

What is the official answer for UPSC Prelims 2013 GS Paper I Question 239 (Geography)?

The official UPSC answer key for this 2013 Geography (Geomorphology) question is Option (A): "1 only". 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?

The peninsula tilts eastward (causing most rivers to flow east); therefore, statement 3 is factually wrong, eliminating (b) and (c).

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