According to one hypothesis, how is water tension in the leaves maintained to pull water up the xylem?
A. Water is pulled by capillary action into
spaces in between the cell wall, much like a
sponge.
B. Water is pulled up through the xylem due
to capillary forces.
C. Water exits the stomata due to capillary
forces.
D. Water is pushed up the xylem due to high
water pressure from the roots.
E. Water is pushed down from the leaves to
the roots during hot sunny days.
A
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Answer the following statement true (T) or false (F)