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GS Paper IUPSC Prelims 2020
Ecology & Ecosystems
Question No. 75Interactive Test Mode
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+2-0.66

Q75. Which one of the following statements best describes the term ‘Social Cost of Carbon’? It is a measure, in monetary value, of the:

Which one of the following statements best describes the term ‘Social Cost of Carbon’? It is a measure, in monetary value, of the:

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 2020 • Environment and Ecology

Correct Answer: Option (A) — long-term damage done by a tonne of CO2 emissions in a given year.

Concept & Option Breakdown

Standard Reference Verified

The Social Cost of Carbon (SCC) is an economic estimate, expressed in monetary terms, of the net long-term damages done to society by emitting one additional metric ton of carbon dioxide (CO2) into the atmosphere in a given year.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2020 (Q75)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicEnvironment and Ecology → Ecology & Ecosystems
Official Answer KeyOption (A) — (a) long-term damage done by a tonne of CO2 emissions in a given year.

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Frequently Asked Questions — UPSC Prelims 2020 Q75

What is the official answer for UPSC Prelims 2020 GS Paper I Question 75 (Environment and Ecology)?

The official UPSC answer key for this 2020 Environment and Ecology (Ecology & Ecosystems) question is Option (A): "(a) long-term damage done by a tonne of CO2 emissions in a given year.". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2020 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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