Answer
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Hint: We know that water is drained from the surface water by root hairs of higher plants. Root hairs have water-permeable walls and are hydrophilic in nature. They have vacuoles that are packed with cell sap. The root cells consume water using metabolic energy released by respiration during successful absorption.
Complete solution:
Transpiration is the process involved in the process of water absorption. The suction generated by water molecules escaping from the cells of the leaf draws water from the xylem cells of the roots. The transpiration pull becomes the main driving force in the flow of water in the xylem during the day, when the stomata are free. Root hair cells have evolved to speed up osmosis by having a wide surface area. Water is consumed by the roots and transferred to the rest of the plant, where it is used for a variety of purposes: It's a component of photosynthesis.
We should also remember the process of osmosis. Water molecules pass from a weaker solution to a stronger solution across a partly permeable membrane in the process of osmosis. Root hair cells have evolved to speed up osmosis by having a wide surface area. It also helps in the absorption of water by plants.
Hence, Transpiration is the process involved in the process of water absorption.
Note:
Loss of water in the form of water vapours from the aerial surface of a plant is called transpiration.
Transpiration is responsible for the ascent of sap in tall trees. It depends mainly on the cohesion. Cohesion is the attraction between water molecules.
Complete solution:
Transpiration is the process involved in the process of water absorption. The suction generated by water molecules escaping from the cells of the leaf draws water from the xylem cells of the roots. The transpiration pull becomes the main driving force in the flow of water in the xylem during the day, when the stomata are free. Root hair cells have evolved to speed up osmosis by having a wide surface area. Water is consumed by the roots and transferred to the rest of the plant, where it is used for a variety of purposes: It's a component of photosynthesis.
We should also remember the process of osmosis. Water molecules pass from a weaker solution to a stronger solution across a partly permeable membrane in the process of osmosis. Root hair cells have evolved to speed up osmosis by having a wide surface area. It also helps in the absorption of water by plants.
Hence, Transpiration is the process involved in the process of water absorption.
Note:
Loss of water in the form of water vapours from the aerial surface of a plant is called transpiration.
Transpiration is responsible for the ascent of sap in tall trees. It depends mainly on the cohesion. Cohesion is the attraction between water molecules.
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