Multiple Choice
According to the pressure-flow hypothesis:
A) water moves from an area of positive water potential to an area of negative water potential.
B) the evaporative pull of transpiration produces tension at the top of the plant.
C) the flow of sugar is driven by a hydrostatic pressure gradient produced by water entering the phloem.
D) pressure is created by the movement of water into the roots from the soil.
E) the column of water pulled up through the plant is unbroken due to cohesive and adhesive properties.
Correct Answer:
Verified
Correct Answer:
Verified
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