Minimalist IAS
Prelims GS I

Prelims GS I · 122 questions · 2016–2026

Science & technology: every Prelims question, by topic

UPSC syllabus: “General Science.” Below, the topics inside it — most asked first — and how often each came up year by year.

Timed · 30 minutes a set Practise Science & technology as timed tests 5 sets of about 25 questions with UPSC's marking — every question on Science & technology since 2016. Start practising

Science & technology in UPSC Prelims at a glance

UPSC has asked 122 questions on Science & technology in GS Paper I from 2016 to 2026 — about 11 a year, the most in 2019 (14). The most-asked topic is IT, computing & emerging technologies (40 questions).

Year20162017201820192020202120222023202420252026
Questions10912141210131081113

Counted from UPSC's own papers in the Vault, each question under its main subject · updated 16 Oct 2026.

  1. IT, computing & emerging technologies40 questions · asked in 10 of 11 years IT, computing & emerging technologies per year: 2016: 5, 2017: 1, 2018: 6, 2019: 6, 2020: 5, 2021: 0, 2022: 7, 2023: 1, 2024: 2, 2025: 3, 2026: 4
  2. Biotechnology & genetics19 questions · asked in 10 of 11 years Biotechnology & genetics per year: 2016: 1, 2017: 2, 2018: 1, 2019: 3, 2020: 2, 2021: 3, 2022: 1, 2023: 2, 2024: 0, 2025: 2, 2026: 2
  3. Space technology19 questions · asked in 10 of 11 years Space technology per year: 2016: 2, 2017: 2, 2018: 3, 2019: 2, 2020: 1, 2021: 0, 2022: 1, 2023: 2, 2024: 2, 2025: 2, 2026: 2
  4. Human body, health & diseases16 questions · asked in 8 of 11 years Human body, health & diseases per year: 2016: 1, 2017: 1, 2018: 0, 2019: 2, 2020: 2, 2021: 3, 2022: 4, 2023: 2, 2024: 1, 2025: 0, 2026: 0
  5. Defence, nuclear & energy technology15 questions · asked in 9 of 11 years Defence, nuclear & energy technology per year: 2016: 1, 2017: 1, 2018: 1, 2019: 1, 2020: 1, 2021: 0, 2022: 0, 2023: 2, 2024: 2, 2025: 2, 2026: 4
  6. Physics & chemistry in everyday life13 questions · asked in 8 of 11 years Physics & chemistry in everyday life per year: 2016: 0, 2017: 2, 2018: 1, 2019: 0, 2020: 1, 2021: 4, 2022: 0, 2023: 1, 2024: 1, 2025: 2, 2026: 1

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The same ground in Mains

These official Mains syllabus lines cover Science & technology. Prelims facts become Mains arguments.

Science & technology PYQs as a PDF — free

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Every Science & technology question from 2016 to 2026, topic-wise, with answers and explanations — 94 pages. Free; sign up once.

Science & technology PYQs: quick answers

How many Science & technology questions has UPSC asked in Prelims from 2016 to 2026?

122 questions in GS Paper I — about 11 a year, the most in 2019 (14). Every one is on this page, under its topic, with UPSC's answer and an explanation.

Which Science & technology topic does UPSC ask most in Prelims?

IT, computing & emerging technologies: 40 questions between 2016 and 2026, asked in 10 of 11 years. The topics are listed above, most asked first, each with its year-by-year trend.

Are the answers UPSC's official answer keys?

Yes. Every answer is from UPSC's final answer key (2016–2025); for 2026 UPSC has so far published a provisional key, and those answers are labelled. Explanations cite official sources — NCERT and government pages first.

Can I download the Science & technology PYQs as a PDF?

Yes — a print-ready PDF of every Science & technology question with answers and explanations (94 pages, 1.9 MB), free after a one-time sign-up, from the Vault's downloads page.

Counted from UPSC's own papers in the Vault; answers are UPSC's keys.