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GS Paper IUPSC Prelims 2021
Health & Medicine
Question No. 159Interactive Test Mode
00:00
+2-0.66

Q159. Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?

Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?

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 2021 • Science and Technology

Correct Answer: Option (B) — Polycarbonate

Concept & Option Breakdown

Standard Reference Verified

Bisphenol A (BPA) is an industrial monomer primarily used in the synthesis of polycarbonate plastics (used in reusable drink bottles, storage containers, and safety equipment) and epoxy resins. Due to its endocrine-disrupting properties, its leaching into food and beverages is a health concern.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2021 (Q159)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (B) — Polycarbonate

Related & Repeated Prelims PYQs (2)

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2008 • Q34586% Match

What is Bisphenol A (BPA)?

Science and Technology • Health & MedicineSolve
2021 • Q16080% Match

‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?

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Frequently Asked Questions — UPSC Prelims 2021 Q159

What is the official answer for UPSC Prelims 2021 GS Paper I Question 159 (Science and Technology)?

The official UPSC answer key for this 2021 Science and Technology (Health & Medicine) question is Option (B): "Polycarbonate". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2021 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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Next Question‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?