Root Pressure Can Result in the Early Morning Appearance of Water

question 15

Multiple Choice

Root pressure can result in the early morning appearance of water droplets on leaves and flowers of low-growing plants.Which of the following does not contribute to the development of root pressure?

• A)creation of tension in the xylem water column that leads to short-distance water movement
• B)closed stomata
• C)accumulation of ions from the soil by root epidermal cells
• D)movement of ions from epidermis to xylem
• E)creation of a water potential gradient between the xylem (lower ψ)and surrounding cells (higher ψ)in the root

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