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GS Paper IUPSC Prelims 2001
Physical Geography
Question No. 110Interactive Test Mode
00:00
+2-0.66

Q110. Identify the correct order of the process of soil-erosion from the following :

Identify the correct order of the process of soil-erosion from the following :

Official UPSC Question Diagram / Map
UPSC Prelims 2001 Geography (Physical Geography) Question 110 Diagram
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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2001 • Geography

Correct Answer: Option (A) — Splash erosion, Sheet erosion, Rill erosion, Gullyerosion

Concept & Option Breakdown

Standard Reference Verified

The progressive stages of water-induced soil erosion proceed in order of increasing scale and channelization:

  1. Splash Erosion: Impact of falling raindrops detaches loose particles.
  2. Sheet Erosion: Uniform thin layers of topsoil are stripped away by shallow surface runoff.
  3. Rill Erosion: Water concentrates into tiny, visible channels or rills.
  4. Gully Erosion: Deepening and widening of rills into pronounced gullies and ravines.
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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2001 (Q110)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → Physical Geography
Official Answer KeyOption (A) — Splash erosion, Sheet erosion, Rill erosion, Gullyerosion

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Frequently Asked Questions — UPSC Prelims 2001 Q110

What is the official answer for UPSC Prelims 2001 GS Paper I Question 110 (Geography)?

The official UPSC answer key for this 2001 Geography (Physical Geography) question is Option (A): "Splash erosion, Sheet erosion, Rill erosion, Gullyerosion". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2001 question belong to?

This question belongs to GS Paper I under the subject "Geography" and micro-topic "Physical Geography". You can explore all repeated questions from Physical Geography 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 Physical Geography UPSC Prelims question using option elimination?

To solve Physical Geography questions in UPSC Prelims, identify extreme modifiers, verify core NCERT conceptual definitions, and eliminate mutually contradictory statement pairs before locking your final option.

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