Water vapour comes out from the plant leaf th | vedclass

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(D) The correct answer is $D$. Transpiration (loss of water vapour) and photosynthesis (uptake of $CO_2$) occur through the stomata. These two process

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Both processes can happen together because the diffusion coefficient of water and $CO_2$ is different.

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(D) The correct answer is $D$. Transpiration (loss of water vapour) and photosynthesis (uptake of $CO_2$) occur through the stomata. These two processes can occur simultaneously because the diffusion of gases is independent of each other. The rate of diffusion depends on the diffusion coefficient of the specific gas and the concentration gradient. Since water vapour and $CO_2$ have different diffusion coefficients,they can diffuse in opposite directions through the same stomatal pore at the same time.

Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening,carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using one of the following options.

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