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GS Paper IUPSC Prelims 1997
Health & Medicine
Question No. 359Interactive Test Mode
00:00
+2-0.66

Q359. Which one of the following is an active component of oil of clove?

Which one of the following is an active component of oil of clove?

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 1997 • Science and Technology

Correct Answer: Option (B) — Eugenol

Concept & Option Breakdown

Standard Reference Verified

Eugenol is the major aromatic phenylpropanoid component (constituting 70–90%) of clove essential oil, responsible for its characteristic scent and local anesthetic/analgesic properties in dentistry.

Elimination Heuristic & Exam Approach

Clove oil = Eugenol; Peppermint oil = Menthol; Bitter almond oil = Benzaldehyde.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 1997 (Q359)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (B) — Eugenol

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The characteristic odour of garlic is due to:

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Frequently Asked Questions — UPSC Prelims 1997 Q359

What is the official answer for UPSC Prelims 1997 GS Paper I Question 359 (Science and Technology)?

The official UPSC answer key for this 1997 Science and Technology (Health & Medicine) question is Option (B): "Eugenol". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 1997 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?

Clove oil = Eugenol; Peppermint oil = Menthol; Bitter almond oil = Benzaldehyde.

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