Acme Ai
A
अ
GS Paper IUPSC Prelims 2020
Nuclear Energy
Question No. 143Interactive Test Mode
00:00
+2-0.66

Q143. In India, why are some nuclear reactors kept under “IAEA Safeguards” while others are not?

In India, why are some nuclear reactors kept under “IAEA Safeguards” while others are not?

Select the correct option below (or cross out options to eliminate)
PrevNext Question

Official Answer Key & Detailed Solution

3D PYQ Realm

Ready to check the official UPSC Answer Key?

Click any option above to test yourself under exam conditions, or reveal the explanation directly.

Official UPSC Answer KeyUPSC Prelims 2020 • Science and Technology

Correct Answer: Option (B) — Some use imported uranium and others use domestic supplies

Concept & Option Breakdown

Standard Reference Verified

Under the India-IAEA civil-military separation plan following the Indo-US civil nuclear agreement, nuclear reactors that utilize imported uranium fuel are placed under IAEA safeguards to ensure the material is used exclusively for peaceful civilian power generation. Reactors using domestic uranium remain outside safeguards to allow strategic flexibility.

Reviewed by Avinash Sir & Acme AI Research Team

Practice Full-Length & Sectional Prelims Mocks on this Interface

50 simulated tests in the APT Prelims Test Series (₹1,493) or 1-on-1 Mentorship with Avinash Sir.

1-on-1 MentorshipOpen Test Platform

Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2020 (Q143)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Nuclear Energy
Official Answer KeyOption (B) — Some use imported uranium and others use domestic supplies

Related & Repeated Prelims PYQs (2)

Questions from other UPSC Prelims years testing the same or closely linked concept.

View Cluster in 3D Graph
2018 • Q4187% Match

In the Indian context, what is the implication of ratifying the ‘Additional Protocol’ with the ‘International Atomic Energy Agency (IAEA)’?

International Relations and Current Affairs • Current EventsSolve
2018 • Q4580% Match

What is/are the consequence/consequences of a country becoming the member of the ‘Nuclear Suppliers Group’ ? 1. It will have access to the latest and most effic

International Relations and Current Affairs • Current EventsSolve

More PYQs from Science and Technology (Nuclear Energy)

Master the Science and Technology syllabus cluster by practicing these related previous year questions.

View All Science and Technology PYQs
2024 • Q142Nuclear Energy

With reference to radioisotope thermoelectric generators (RTGs), consider the following statements: 1. RTGs are miniature fission reactors. 2. RTGs ar

Science and TechnologyPractice
2009 • Q144Nuclear Energy

In the year 2008, which one of the following conducted a complex scientific experiment in which sub-atomic particles were accelerated to nearly the sp

Science and TechnologyPractice
2008 • Q145Nuclear Energy

In which one of the following locations is the International Thermonuclear Experimental Reactor (ITER) project to be built?

Science and TechnologyPractice
2006 • Q146Nuclear Energy

In which one of the following areas did the Indira Gandhi Centre for Atomic Research make significant progress in the year 2005?

Science and TechnologyPractice
2024 • Q1Biotechnology & Genetics

"Membrane Bioreactors" are often discussed in the context of:

Science and TechnologyPractice
2024 • Q2Biotechnology & Genetics

Which one of the following is synthesised in the human body that dilates blood vessels and increases blood flow?

Science and TechnologyPractice
2024 • Q62Health & Medicine

Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking

Science and TechnologyPractice
2024 • Q63Health & Medicine

Which one of the following words/phrases is most appropriately used to denote “an interoperable network of 3D virtual worlds that can be accessed simu

Science and TechnologyPractice

Frequently Asked Questions — UPSC Prelims 2020 Q143

What is the official answer for UPSC Prelims 2020 GS Paper I Question 143 (Science and Technology)?

The official UPSC answer key for this 2020 Science and Technology (Nuclear Energy) question is Option (B): "Some use imported uranium and others use domestic supplies". 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 "Science and Technology" and micro-topic "Nuclear Energy". You can explore all repeated questions from Nuclear Energy 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 Nuclear Energy UPSC Prelims question using option elimination?

To solve Nuclear Energy questions in UPSC Prelims, identify extreme modifiers, verify core NCERT conceptual definitions, and eliminate mutually contradictory statement pairs before locking your final option.

Beyond Previous Year Questions

Structured Prelims Practice & Mentorship

Pair previous year question analysis with full-length simulated mock tests and 1-on-1 faculty guidance.

APT 2027 • 50 Prelims Tests17% OFF

Acme Prelims Test Series (APT)

Built to eliminate 1/3rd negative marking losses and 50–50 option traps through structured simulation and NCERT-backed keys.

  • 50 High-Yield Tests: Subject Sectionals, Current Affairs, CSAT Paper II & Full-Length Simulators
  • 1/3rd Penalty & Trap Analytics: Identify whether marks are lost to over-attempting or conceptual gaps
  • Option-by-Option NCERT Keys: Detailed distractor analysis and elimination logic for every question
  • Custom PDF-to-Mock Generator: Convert your revision notes or current affairs PDFs into practice tests
Complete 50-Test Package
₹1,493₹1,799• Valid till Prelims 2027
Explore APT Test SeriesTry Free Mock
1-on-1 Personal MentorshipCapped at 10 Seats

1-on-1 UPSC Mentorship with Avinash Sir

Weekly 1-on-1 strategy reviews, daily study accountability, and personalized MCQ attempt audits with an experienced UPSC mentor.

  • Weekly 1-on-1 Sessions: Direct mentorship with Avinash Sir (Former Plutus IAS Mentor, UPSC & UPPCS Mains Written)
  • APT 50-Test Series Included: Full Prelims GS1 & CSAT test series bundled at no additional cost
  • Mock Attempt & Elimination Audit: Question-by-question review to calibrate your risk and attempt accuracy
  • Prelims & Integrated Tracks: Available as dedicated Prelims mentorship or end-to-end Prelims + Mains guidance
Prelims & Integrated Tracks
17% OFF• Includes APT 50-Test Series
Explore 1-on-1 MentorshipCompare Tracks
Previous QuestionIn rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint? 1. Copper slag 2. Cold mix asphalt technology 3. Geotextiles 4. Hot mix asphalt technology 5. Portland cement Select the correct answer using the code given below:
Next QuestionIn India, the term “Public Key Infrastructure” is used in the context of: