Uptake and transport of water and ions
7.1What the syllabus asks of you
- Relate the structure of root hair cells to their function of water and ion uptake
- Outline the pathway taken by water through the root, stem and leaf, limited to: root hair cells, root cortex cells, xylem and mesophyll cells
- Investigate, using a suitable stain, the pathway of water in a cut stem
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Chapter 7: Uptake and transport of water and ions
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Every question on Uptake and transport of water and ions, untimed, marked as you go.
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4 questions
1May / June 2020 · Paper 12 · Q11Show mark scheme →
Adiffusion diffusion
Bdiffusion osmosis
Cosmosis diffusion
Dosmosis osmosis
Mark scheme
2Oct / Nov 2019 · Paper 11 · Q11Show mark scheme →
Afor anchoring the plant in soil
Bfor storage of starch
Cfor transport of sugars made during photosynthesis
Dfor water and mineral ion uptake
Mark scheme
3Oct / Nov 2019 · Paper 12 · Q11Show mark scheme →
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
Mark scheme
4May / June 2019 · Paper 12 · Q12Also set in May / June 2019 Paper 11Show mark scheme →
Aroot: central dark star-shaped region; stem: ring of dark vascular bundles
Broot: central dark star-shaped region; stem: ring of dark vascular bundles (alternate arrangement)
Croot: central dark star-shaped region; stem: dark central region with surrounding light bundles
Droot: central dark star-shaped region; stem: entirely dark
Mark scheme