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GS Paper IUPSC Prelims 1998
Health & Medicine
Question No. 312Interactive Test Mode
00:00
+2-0.66

Q312. Which one of the following elements is essential for the construction of nuclear reactors?

Which one of the following elements is essential for the construction of nuclear reactors?

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 1998 • Science and Technology

Correct Answer: Option (C) — Zirconium

Concept & Option Breakdown

Standard Reference Verified

Zirconium (in the form of alloys known as Zircaloy) is critical in nuclear engineering for fuel rod cladding because of its extremely low thermal neutron capture cross-section, high corrosion resistance in hot water/steam, and high structural integrity at elevated temperatures.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 1998 (Q312)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (C) — Zirconium

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Frequently Asked Questions — UPSC Prelims 1998 Q312

What is the official answer for UPSC Prelims 1998 GS Paper I Question 312 (Science and Technology)?

The official UPSC answer key for this 1998 Science and Technology (Health & Medicine) question is Option (C): "Zirconium". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 1998 question belong to?

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

To solve Health & Medicine 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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