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GS Paper IUPSC Prelims 2001
Physical Geography
Question No. 109Interactive Test Mode
00:00
+2-0.66

Q109. Quartzite is metamorphosed from :

Quartzite is metamorphosed from :

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 2001 • Geography

Correct Answer: Option (C) — Sandstone

Concept & Option Breakdown

Standard Reference Verified

Quartzite is a non-foliated metamorphic rock that forms when quartz-rich sandstone undergoes recrystallization under intense heat and pressure.

  • Limestone metamorphoses into marble.
  • Shale metamorphoses into slate.
  • Obsidian is an extrusive igneous rock.
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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2001 (Q109)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → Physical Geography
Official Answer KeyOption (C) — Sandstone

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Frequently Asked Questions — UPSC Prelims 2001 Q109

What is the official answer for UPSC Prelims 2001 GS Paper I Question 109 (Geography)?

The official UPSC answer key for this 2001 Geography (Physical Geography) question is Option (C): "Sandstone". 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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