Multiple Choice
What happens to the tension in the xylem when the stomata close and evaporation stops?
A) It goes to zero once evaporation ceases.
B) It remains constant the moment the stomata close.
C) It drops to a value closer to that of the water-filled pores in the soil.
D) It continues to increase until the living cells of the leaf are fully hydrated.
Correct Answer:

Verified
Correct Answer:
Verified
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