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GS Paper IUPSC Prelims 2021
Health & Medicine
Question No. 39Interactive Test Mode
00:00
+2-0.66

Q39. The term ‘ACE2’ is talked about in the context of:

The term ‘ACE2’ is talked about in the context of:

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 (D) — The spread of viral diseases

Concept & Option Breakdown

Standard Reference Verified

ACE2 (Angiotensin-Converting Enzyme 2) is a protein receptor present on the surface of various human cells (such as lungs, heart, kidneys, and gut). It gained global attention during the COVID-19 pandemic as the key cellular receptor used by the SARS-CoV-2 spike protein to bind and infect host cells.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2021 (Q39)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (D) — The spread of viral diseases

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Frequently Asked Questions — UPSC Prelims 2021 Q39

What is the official answer for UPSC Prelims 2021 GS Paper I Question 39 (Science and Technology)?

The official UPSC answer key for this 2021 Science and Technology (Health & Medicine) question is Option (D): "The spread of viral diseases". 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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