Water vapor exits from the leaves of terrestr | vedclass

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Question

(A) During the day,when stomata are open to allow the entry of $CO_2$ for photosynthesis,water vapor also escapes from the leaves due to transpiration

Vedclass · Accepted Answer

Both processes occur simultaneously because the diffusion coefficients of water and carbon dioxide are different.

Vedclass · Answer

(A) During the day,when stomata are open to allow the entry of $CO_2$ for photosynthesis,water vapor also escapes from the leaves due to transpiration. Although the diffusion coefficients of water vapor and $CO_2$ are different,the concentration gradient for water vapor (from inside the leaf to the outside) and $CO_2$ (from outside to inside) allows both processes to occur simultaneously through the same open stomata. Therefore,the correct explanation is that both processes happen at the same time because the diffusion rates are governed by their respective concentration gradients despite different diffusion coefficients.

Water vapor exits from the leaves of terrestrial plants through open stomata. During photosynthesis,carbon dioxide enters the plant through the same open stomata. Identify the reason for the above statements from the following options.

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