91
Primary function of enteronephric nephridia of Pheretima:
- Excretion of nitrogenous waste
- Locomotion
- Osmoregulation
- Respiration
AIPMT 2000
Structural Organisation in Animals
Previous year questions with solutions · 2000 – 2026
91Questions
34Papers covered
5.06% ↓54.4%Weightage in 2026
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’01
’02
’03
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’06
’07
’08
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’10
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’26
Year-wise statistics questions · papers · average per paper · weightage
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 4 | 2 | 2 | 5.06% ↓54.4% |
| 2025 | 4 | 1 | 4 | 11.11% ↑19.4% |
| 2024 | 8 | 2 | 4 | 9.30% ↓14% |
| 2023 | 4 | 1 | 4 | 10.81% ↓17.1% |
| 2022 | 9 | 2 | 4.5 | 13.04% ↑30.4% |
| 2021 | 4 | 1 | 4 | 10.00% ↑33.3% |
| 2020 | 3 | 1 | 3 | 7.50% ↑38.8% |
| 2019 | 2 | 1 | 2 | 5.41% ↑89.2% |
| 2018 | 1 | 1 | 1 | 2.86% ↓51.4% |
| 2017 | 2 | 1 | 2 | 5.88% ↑27.5% |
| 2016 | 3 | 2 | 1.5 | 4.62% ↑38.5% |
| 2015 | 2 | 2 | 1 | 3.33% ↓51.7% |
| 2014 | 2 | 1 | 2 | 6.90% ↑19% |
| 2013 | 4 | 2 | 2 | 5.80% ↓44.9% |
| 2012 | 6 | 2 | 3 | 10.53% ↓27.5% |
| 2011 | 9 | 2 | 4.5 | 14.52% ↑829% |
| 2010 | 1 | 2 | 0.5 | 1.56% ↓89.1% |
| 2009 | 6 | 1 | 6 | 14.29% ↑164.3% |
| 2008 | 2 | 1 | 2 | 5.41% ↑51.4% |
| 2007 | 1 | 1 | 1 | 3.57% ↓59.5% |
| 2006 | 3 | 1 | 3 | 8.82% ↑164.7% |
| 2004 | 1 | 1 | 1 | 3.33% ↓48.3% |
| 2003 | 2 | 1 | 2 | 6.45% ↓6.5% |
| 2002 | 2 | 1 | 2 | 6.90% ↑10.3% |
| 2001 | 2 | 1 | 2 | 6.25% ↓42.2% |
| 2000 | 4 | 1 | 4 | 10.81% |
⚠ 2 of these questions are out of the current syllabus (marked on the question).