UPSC · Science

UPSC Science PYQ — 157 Previous Year Questions

Attempt UPSC Science previous year questions online with answers, explanations, and weightage trends to focus your revision.

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UPSC Science PYQ 1 (2024)

The organisms "Cicada, Froghopper and Pond skater" are :

  1. Birds
  2. Fish
  3. Insects
  4. Reptiles

Answer: C. Insects

UPSC Science PYQ 2 (2025)

I. Cassava : Woody shrub II. Ginger : Herb with pseudostem III. Malabar spinach : Herbaceous climber IV. Mint : Annual shrub V. Papaya : Woody shrub

Consider the following pairs : How many of the above pairs are correctly matched?

  1. Only two
  2. Only three
  3. Only four
  4. All the five

Answer: B. Only three

UPSC Science PYQ 3 (2018)

1. It can be integrated into any electronic device. 2. Online authentication using iris is possible. Which of the statements given above is/are correct ?

The identity platform 'Aadhaar' provides an open 'Application Programming Interface' (API). What does this mean?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

Answer: C. Both 1 and 2

Free sample · Question 1 of 3

Science · 2024

The organisms "Cicada, Froghopper and Pond skater" are :

UPSC Science PYQ analysis

This page collects 157 UPSC Science previous year questions (2018–2026) in one place — attempt them online free, see answers and explanations instantly, and track how often Science is asked in UPSC.

UPSC Science PYQ count by year: 2026 — 16, 2025 — 12, 2024 — 14, 2023 — 16, 2022 — 36, 2021 — 20, 2020 — 13, 2019 — 15, 2018 — 15.

High-yield Science subtopics in UPSC: Biology & Health, Technology & Space, Physics, Chemistry, Places, Symbols & Miscellaneous, and IT, AI & Emerging Technologies. Prioritise these recurring micro-themes.

High-yield Science subtopics

Biology & HealthTechnology & SpacePhysicsChemistryPlaces, Symbols & MiscellaneousIT, AI & Emerging TechnologiesDefence Technology & Cybersecurity

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100+ UPSC Science previous year questions, free to attempt online. Try a few with no signup, then unlock the full set with a free account.

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