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

question 19

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.

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Definitions:

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