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GS Paper IUPSC Prelims 2011
Health & Medicine
Question No. 47Interactive Test Mode
00:00
+2-0.66

Q47. Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?

Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?

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 2011 • Science and Technology

Correct Answer: Option (C) — They neutralize the free radicals produced in the body during metabolism

Concept & Option Breakdown

Standard Reference Verified

During normal cellular metabolism and exposure to environmental stressors, unstable molecules with unpaired electrons called free radicals are formed, causing oxidative stress and cellular damage. Antioxidants donate electrons to neutralize these free radicals, thereby protecting cellular structures and promoting health.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2011 (Q47)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (C) — They neutralize the free radicals produced in the body during metabolism

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Frequently Asked Questions — UPSC Prelims 2011 Q47

What is the official answer for UPSC Prelims 2011 GS Paper I Question 47 (Science and Technology)?

The official UPSC answer key for this 2011 Science and Technology (Health & Medicine) question is Option (C): "They neutralize the free radicals produced in the body during metabolism". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2011 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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