Which of the Following Does Not Support the Cohesion-Tension Theory

Multiple Choice

Which of the following does not support the cohesion-tension theory of xylem transport?

A) Dendrograph measurements detect small daily changes in the diameter of tree trunks.
B) Following cutting of a petiole,the xylem sap withdraws from the cut edge toward the blade of the leaf.
C) Following application of a respiration inhibitor to a plant,xylem transport decreases substantially.
D) Measurements using a root bomb and xylem pressure probe detect negative pressures in xylem tissue.
E) Pressure bomb measurements detect daily changes in the water potential of leaf tissue.