Transport in Plants
Previous year questions with solutions · 2000 – 2026
35Questions
23Papers covered
0% Weightage in 2026
’00
’01
’02
’03
’05
’06
’07
’08
’09
’11
’13
’15
’16
’17
’18
’19
’20
’21
’22
’23
Year-wise statistics questions · papers · average per paper · weightage
| Year | Questions | Papers | Avg / paper | Weightage |
|---|
| 2023 | 3 | 1 | 3 | 4.76% ↑24.8% |
| 2022 | 5 | 2 | 2.5 | 3.82% ↑129% |
| 2021 | 1 | 1 | 1 | 1.67% ↓16.7% |
| 2020 | 1 | 1 | 1 | 2.00% ↓47% |
| 2019 | 2 | 1 | 2 | 3.77% ↑107.5% |
| 2018 | 1 | 1 | 1 | 1.82% ↓48.2% |
| 2017 | 2 | 1 | 2 | 3.51% ↑101.8% |
| 2016 | 2 | 2 | 1 | 1.74% ↓62.1% |
| 2015 | 5 | 2 | 2.5 | 4.59% ↑409.2% |
| 2013 | 1 | 2 | 0.5 | 0.90% ↓56.8% |
| 2011 | 2 | 2 | 1 | 2.08% ↑16.7% |
| 2009 | 1 | 1 | 1 | 1.79% ↓1.8% |
| 2008 | 1 | 1 | 1 | 1.82% ↓7.3% |
| 2007 | 1 | 1 | 1 | 1.96% ↑15.7% |
| 2006 | 1 | 1 | 1 | 1.69% ↑6.8% |
| 2005 | 1 | 1 | 1 | 1.59% ↓1.6% |
| 2003 | 1 | 1 | 1 | 1.61% ↑3.2% |
| 2002 | 1 | 1 | 1 | 1.56% ↓53.9% |
| 2001 | 2 | 1 | 2 | 3.39% ↑83.1% |
| 2000 | 1 | 1 | 1 | 1.85% |
⚠ 32 of these questions are out of the current syllabus (marked on the question).
31
Stomata of a plant open due to
- influx of potassium ions
- efflux of potassium ions
- influx of hydrogen ions
- influx of calcium ions
Out of syllabusAIPMT 2003
32
Opening and closing of stomata is due to the
- hormonal change in guard cells
- change in turgor pressure of guard cells
- gaseous exchange
- respiration.
Out of syllabusAIPMT 2002
33
Glycolate induces opening of stomata in
- presence of oxygen
- low CO2 concentration
- high CO2
- CO2 absent
Out of syllabusAIPMT 2001
34
Loading of phloem is related to
- increase of sugar in phloem cell
- elongation of phloem cell
- separation of phloem parenchyma
- strengthening of phloem fiber
Out of syllabusAIPMT 2001
35
The movement of ions against the concentration gradient will be
- active transport
- osmosis
- diffusion
- all of the above
Out of syllabusAIPMT 2000