Topic-wise IAS Science previous year questions with detailed solutions.
How many Science questions each topic contributed per year in IAS — darker cells mean more questions that year. Tap a topic to open its questions.
| Topic | Weightage | Total | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 |
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| 1997 |
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| 1996 |
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| Technology | 35.6% | 175 | 6 | 10 | 9 | 8 | 11 | 3 | 12 | 13 | 9 | 2 | 2 | 6 | 7 | 5 | 6 | 10 | 7 | 1 | 4 | 2 | 2 | 5 | 3 | 3 | 2 | 6 | 2 | 5 | 5 | 5 | 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biology | 28.5% | 140 | 1 | 1 | 1 | 4 | 4 | 2 | 2 | 1 | 1 | 1 | 6 | 5 | 3 | 4 | 3 | ||||||||||||||||
| Physics | 20.0% | 98 | 1 | 2 | 2 | 2 | 3 | 4 | 2 | 2 | 1 | 1 | 3 | 7 | |||||||||||||||||||
| Chemistry | 15.9% | 78 | 4 | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | 2 | 5 |
| All topics | 491 | 8 | 15 | 12 | 15 | 18 | 11 | 14 | 15 | 10 | 3 | 3 | 6 | 14 | 14 | 12 | 17 | 11 | 5 | 18 | 22 | 17 | 12 | 15 | 20 | 22 | 30 | 33 | 23 | 23 | 26 | 27 |
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| 1 |
| 6 |
| 9 |
| 8 |
| 2 |
| 5 |
| 6 |
| 12 |
| 9 |
| 12 |
| 4 |
| 7 |
| 9 |
| 11 |
| 4 |
| 3 |
| 4 |
| 5 |
| 5 |
| 11 |
| 10 |
| 10 |
| 2 |
| 6 |
| 8 |
| 4 |
| 3 |
| 2 |
| 3 |
| 6 |
| 3 |
| 4 |
| 9 |
| 4 |
| 9 |
| 6 |
| 4 |