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GS Paper IUPSC Prelims 1999
Health & Medicine
Question No. 488Interactive Test Mode
00:00
+2-0.66

Q488. When ants bite, they inject:

When ants bite, they inject:

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 1999 • Science and Technology

Correct Answer: Option (C) — Formic acid

Concept & Option Breakdown

Standard Reference Verified

Ant venom contains formic acid (methanoic acid, HCOOH), which causes the sharp burning pain, irritation, and localized swelling characteristic of ant stings.

Elimination Heuristic & Exam Approach

The name Formic acid derives from the Latin word 'formica', meaning ant.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 1999 (Q488)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (C) — Formic acid

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Frequently Asked Questions — UPSC Prelims 1999 Q488

What is the official answer for UPSC Prelims 1999 GS Paper I Question 488 (Science and Technology)?

The official UPSC answer key for this 1999 Science and Technology (Health & Medicine) question is Option (C): "Formic acid". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 1999 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?

The name Formic acid derives from the Latin word 'formica', meaning ant.

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