15
Question
Transpiration is a _____ force.
Transpiration is a _____ force.
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Solution
The correct option is A Pulling
As water is lost from the surface of the leaves due to transpiration a strong suction force is transmitted through the active mesophyll cells to the ends of the water column in root thus is called transpiration pull. It caused the entire water column to be pulled upwards. When the rate of transpiration is very high and the rate of adsorption is slow, the water in the xylem elements of the leaf develops a state of tension.So, the correct answer is B.
As water is lost from the surface of the leaves due to transpiration a strong suction force is transmitted through the active mesophyll cells to the ends of the water column in root thus is called transpiration pull. It caused the entire water column to be pulled upwards. When the rate of transpiration is very high and the rate of adsorption is slow, the water in the xylem elements of the leaf develops a state of tension.
So, the correct answer is B.
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