If You Cut a Stalk (Petiole)of Celery and Place It

Multiple Choice

If you cut a stalk (petiole) of celery and place it in a beaker of water that has food coloring dissolved in it,colored water will move up the stalk and into the leaf blades.This provides evidence against which of the following theories of xylem transport?

A) pressure flow
B) root pressure
C) capillarity
D) proton pump
E) cohesion-tension