Biology · May / June 2020 · Paper 12 · Question 11
5090Uptake and transport of water and ions
Water and ions can reach the xylem of a plant root through cell walls, without passing through a cell membrane. How do these substances move through the cell walls?
- Adiffusion diffusion
- Bdiffusion osmosis
- Cosmosis diffusion
- Dosmosis osmosis
As printed in the paper
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Correct answer: A. diffusion diffusion
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