cbse biology sample paper 2024 class 10 – Discussion Forum

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Subham Kumar

Asked: December 30, 2023In: Class 10 Science

Two major forces help in the transport of water in a plant. Force A is the driving force in the movement of water during the day, whereas force B helps the movement of water in a plant during the night or during the day when humidity is very high. (a) Identify force A and force B. (b) Describe how each of these forces helps in the movement of water in a plant.

Water in plants moves through xylem vessels via capillary action and transpiration. Root absorption, cohesion, and adhesion contribute to the upward flow, ensuring nutrient transport and maintaining plant turgidity.