Which of the options correctly describes the movement of water through a plant?
In the apoplast pathway, water moves through the cytoplasm of cells via plasmodesmata.
Water moves by osmosis down a water potential gradient from a region of higher (less negative) water potential to a region of lower (more negative) water potential.
Adhesion is the attractive force between water molecules that maintains a continuous column of water under tension.
The Casparian strip is a fully permeable layer of suberin that facilitates the apoplast pathway into the xylem.
28 exam-style questions on OCR A A Level Biology Transport in plants. Each one has a worked solution and a mark scheme showing where the marks go.