Question

how does transpiraction help in the ascent of sap in plants

Answer 1

Answer: Evaporation of water molecules from the cells of a leaf creates a suction which pulls water from the xylem cells of roots. Thus, transpiration helps in the absorption and upward movement of water and minerals dissolved in it from roots to the leaves.

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Answer 2

Evaporation of water molecules from the cells of a leaf creates a suction which pulls water from the xylem cells of roots. Thus,transpiration helps in the absorption and upward movement of water and minerals dissolved in it from root to the leaves