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GS Paper IUPSC Prelims 2012
Ecology & Ecosystems
Question No. 227Interactive Test Mode
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+2-0.66

Q227. Vultures which used to be very common in Indian countryside some years ago are rarely seen nowadays. This is attributed to:

Vultures which used to be very common in Indian countryside some years ago are rarely seen nowadays. This is attributed to:

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 2012 • Environment and Ecology

Correct Answer: Option (B) — a drug used by cattle owners for treating their discased cattle

Concept & Option Breakdown

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The catastrophic collapse of vulture populations across the Indian subcontinent was primarily caused by poisoning from diclofenac, a non-steroidal anti-inflammatory drug (NSAID) administered to livestock. When vultures fed on carcasses of treated cattle, diclofenac caused acute kidney failure and visceral gout in vultures.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2012 (Q227)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicEnvironment and Ecology → Ecology & Ecosystems
Official Answer KeyOption (B) — a drug used by cattle owners for treating their discased cattle

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Frequently Asked Questions — UPSC Prelims 2012 Q227

What is the official answer for UPSC Prelims 2012 GS Paper I Question 227 (Environment and Ecology)?

The official UPSC answer key for this 2012 Environment and Ecology (Ecology & Ecosystems) question is Option (B): "a drug used by cattle owners for treating their discased cattle". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2012 question belong to?

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

To solve Ecology & Ecosystems 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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