UPSC Prelims 2026 Set B Question 71 Answer: 2025 Nobel Prize MCQ (John Clarke)

UPSC Prelims 2026 Set B Question 71 Analysis: Decoding the 2025 Nobel Prize Traps

The Civil Services Preliminary Examination consistently evaluates an aspirant's micro-level retention and logical deduction under extreme time constraints. In the UPSC Prelims 2026 GS Paper 1 (Set B), Question 71 perfectly exemplified this trend by shifting focus from simple factual recall to multi-layered, biographical elimination vectors. Let's dissect the question, expose the logical traps, and look at the definitive framework to solve it.

The Question Exactly as Found in Set B

71. X, born in the UK, was conferred the Nobel Prize in 2025. He was a professor in an American university when this prize was announced. Identify 'X' :

• (a) Michel H. Devoret
• (b) Richard Robson
• (c) John Clarke
• (d) Joel Mokyr

Figure 1: Snapshot of Question 71 from the official GS Paper 1 Booklet, Set B of the UPSC Prelims 2026 Examination.

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Deep-Dive Explanation & Elimination Matrix

To solve this item safely under intense exam conditions, you need a highly structured elimination grid based on two rigid conditions given in the prompt: Birthplace (UK) and Current Institutional Affiliation (US University).

Option / Candidate	Birthplace Status	Institutional Status	Verdict
(a) Michel H. Devoret	❌ Paris, France	✔ Yale University (USA)	Eliminated
(b) Richard Robson	✔ Yorkshire, UK	❌ Univ. of Melbourne (AUS)	Eliminated
(c) John Clarke	✔ Cambridge, UK	✔ UC Berkeley (USA)	CORRECT ANSWER
(d) Joel Mokyr	❌ Leiden, Netherlands	✔ Northwestern Univ. (USA)	Eliminated

The correct choice is definitively (c) John Clarke. Professor John Clarke is an acclaimed English physicist who received his education at Cambridge and later moved to the United States. He became a pioneering Professor of Physics at the University of California, Berkeley.

His monumental contributions to macroscopically visible quantum phenomena—especially the refinement of Superconducting Quantum Interference Devices (SQUIDs)—directly overlap with the research domains seen in modern engineering trends like advanced materials and nanotechnology, which heavily utilize superconducting arrays for subatomic measurement precision.

Figure 2: Professor John Clarke (UC Berkeley), whose British origin and American academic career formed the anchor clues for Question 71.

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The Cognitive Psychology Hack for Civil Services Aspirants

Why do candidates fail such high-yield questions despite having read about the 2025 Nobel Laureates in standard compilation sheets? The answer lies in data fragmentation. When you read a list of facts as distinct variables, your cognitive load increases dramatically under pressure.

By applying actionable Gestalt psychology principles of perception, you can alter how your brain chunks this structural information. Instead of treating the individual's name, their birthplace, and their active university as isolated data points, you should perceive them as an integrated structural field or a single "unified object." When your brain views biographical arrays as holistic profiles, the presence of an inconsistency (like Devoret being French instead of British) immediately disrupts the mental framework, triggering a fast and accurate elimination response.

Similarly to how tracking systematic historical progressions works across the distinct eras of English literature timeline, building contextual profiles of world-renowned figures anchors long-term retention. Do not memorize just the name; visualize their structural trajectory—from birth in the United Kingdom to teaching fields across the Atlantic Ocean. This is the optimal way to secure a definitive edge in current affairs.