C:\UPSC\GS3\2026\Q-6.txt
Science & TechnologyEXAMINEYear 202610 Marks
Concept / Statute•Directive•Institution / Stakeholder

Distinguish between a Fast Breeder Reactor (FBR) and a thermal nuclear reactor. In the context of first indigenously developed prototype FBR at Kalpakkam, explain the term 'criticality'. What are its implications for clean energy future of our country ?

Exact Syllabus Pointer

Developments in IT, space, computers, robotics, nanotechnology, biotechnology, issues relating to intellectual property rights (IPR).

Connected Questions Across All Papers

Discovered through overlapping concepts: Fast Breeder Reactor (FBR), Three-Stage Nuclear Programme, PFBR Kalpakkam Criticality

Recurring Theme Trend: “Fast Breeder Reactor (FBR)”

3 questions across 14 yrs

Frequency of UPSC CSE Mains questions testing this core concept, landmark doctrine, or foundational syllabus theme (2013-2026)

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