Capillarity is not the only reason for which one of the following?
The movement of water from the roots of the plant towards its foliage is not solely due to capillarity. While capillarity contributes to water uptake by plants, other processes like transpiration and root pressure also play significant roles in the movement of water from roots to foliage.
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Capillarity is not the only reason for the movement of water from the roots of the plant towards its foliage, as described by option [D]. While capillarity aids in water uptake by plants, other processes such as transpiration and root pressure also contribute significantly to the movement of water within the plant. Transpiration, the loss of water vapor from leaves, creates a negative pressure gradient that pulls water up from the roots. Root pressure, generated by osmotic processes in the roots, also helps push water upwards. Together, these mechanisms facilitate the movement of water through the plant’s vascular system, ensuring hydration and nutrient transport to all parts of the plant. Therefore, while capillarity plays a role in water absorption and movement, it is not the sole reason for water transport from the roots to the foliage in plants.