When Stomata Are Open and a Plant Is Transpiring Normally

Multiple Choice

When stomata are open and a plant is transpiring normally, water moves from the soil into the root xylem:

A) due to the action of ATP driven pumps in the endodermis.
B) without the plant doing any additional work on the fluid.
C) due to a force generated by the partial dehydration of cell walls in leaves.
D) in a flow that is ultimately driven by evaporation from the shoot.