Biology for IGCSE & O level - Transport In Plants (Section 1 - No. 42)
What is the purpose of the Casparian strip in the root?
To transport sugars
To regulate water and mineral uptake into the xylem
To provide support to the root
To facilitate gas exchange
Explanation
The Casparian strip prevents water and minerals from moving through the cell walls and instead forces them to pass through the cell membranes, allowing for selective uptake.
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