Write short notes on the following:
a) Transpiration pull
b) Root pressure
c) Cohesion
d) Adhesion
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2
Explanation:
Transpiration pull – As the water is lost from the leaf surface by transpiration more water molecules are pulled up due to the tendency of water molecules to remain joined ( cohesion ) , and thus to produce a continuous column of water through the stem . ... Cohesion force is rampant among water molecules.
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2
Answer:
a) biological process in which force of pulling is produced inside the xylem tissues.
b) root pressure is a force that helps to drive fluid upward into the water.
c) the force of attraction between molecules in a mass.
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