Biology for IGCSE & O level - Transport In Plants (Section 3 - No. 6)
What is the function of the casparian strip?
To block the flow of water
To control water uptake into the xylem
To help with translocation
To provide support to the root
Explanation
The casparian strip, made of suberin, blocks water movement in the apoplast pathway and forces water into the cells.
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