Biology for IGCSE & O level - Transport In Plants (Section 5 - No. 38)
What is the role of the casparian strip in the endodermis of the root?
To transport sugars.
To regulate water movement into the xylem.
To provide support to the root.
To prevent water loss from the root.
Explanation
The casparian strip in the endodermis forces water and minerals to pass through the endodermal cells, controlling what enters the xylem.
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