A Pressure Chamber Can Be Used to Test the Cohesion-Tension

question 26

Multiple Choice

A pressure chamber can be used to test the cohesion-tension theory by:

• A)measuring the tensile strength of water.
• B)following the movement of colored water in the xylem.
• C)measuring the shrinkage of a trunk caused by negative xylem pressure.
• D)detecting the rate at which heated water moves through a plant.
• E)determining the magnitude of the tension in a twig.

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