Previous year questions with solutions · 2000 – 2026
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 2 | 2 | 1 | 2.22% same as last year |
| 2025 | 1 | 1 | 1 | 2.22% ▼ 55.6% vs last year |
| 2024 | 5 | 2 | 2.5 | 5.00% ▲ 27.5% vs last year |
| 2023 | 2 | 1 | 2 | 3.92% ▼ 1% vs last year |
| 2022 | 4 | 2 | 2 | 3.96% ▼ 34% vs last year |
| 2021 | 3 | 1 | 3 | 6.00% ▲ 35% vs last year |
| 2020 | 2 | 1 | 2 | 4.44% ▼ 60% vs last year |
| 2019 | 5 | 1 | 5 | 11.11% ▲ 400% vs last year |
| 2018 | 1 | 1 | 1 | 2.22% ▼ 75% vs last year |
| 2017 | 4 | 1 | 4 | 8.89% ▲ 33.3% vs last year |
| 2016 | 6 | 2 | 3 | 6.67% ▲ 50% vs last year |
| 2015 | 4 | 2 | 2 | 4.44% ▲ 100% vs last year |
| 2014 | 1 | 1 | 1 | 2.22% ▼ 34.1% vs last year |
| 2013 | 3 | 2 | 1.5 | 3.37% ▼ 10.1% vs last year |
| 2012 | 3 | 2 | 1.5 | 3.75% same as last year |
| 2010 | 3 | 2 | 1.5 | 3.75% ▲ 91.3% vs last year |
| 2009 | 1 | 1 | 1 | 1.96% same as last year |
| 2008 | 1 | 1 | 1 | 1.96% ▼ 2% vs last year |
| 2007 | 1 | 1 | 1 | 2.00% ▼ 50% vs last year |
| 2006 | 2 | 1 | 2 | 4.00% ▼ 33.3% vs last year |
| 2005 | 3 | 1 | 3 | 6.00% ▲ 194% vs last year |
| 2003 | 1 | 1 | 1 | 2.04% ▼ 49% vs last year |
| 2002 | 2 | 1 | 2 | 4.00% ▲ 104% vs last year |
| 2001 | 1 | 1 | 1 | 1.96% ▼ 50% vs last year |
| 2000 | 2 | 1 | 2 | 3.92% |
⚠ 1 of these questions are out of the current syllabus (marked on the question).
Nitrogen forms N2, but phosphorus does not form P2, however, it exists as P4, reason is
Which statement is wrong ?