Biology, asked by swara7793, 9 months ago

Please Give the answers
(Class 9th Questions)​

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Answered by Anonymous
2

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Ans 1:- Root Pressure. It is the transverse osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves. Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or when transpiration is low during the day.

Ans 2 :- Transpiration pull or the suction force is the force which aids in drawing the water upward from roots to leaves. In leaves, some amount of water is used for photosynthesis and excess water is released into atmosphere through openings called as stomata.

Answered by pragnya3952
0

Explanation:

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