Biology for IGCSE & O level - Transport In Plants (Section 4 - No. 48)
Which of the following would decrease the rate of water uptake by a plant?
Increase in soil water potential.
Decreased root surface area.
Increased root hair density.
Increase in water potential of the xylem.
Explanation
Decreased root surface area and an increase in water potential of the xylem would reduce water uptake. Increased soil water potential and increased root hair density promotes water uptake.
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