Which of the following categories of photosyn | vedclass

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(C) The transpiration ratio $(TR)$ is defined as the ratio of the number of moles of $H_2O$ transpired to the number of moles of $CO_2$ assimilated.$C

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$CAM$ plants

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(C) The transpiration ratio $(TR)$ is defined as the ratio of the number of moles of $H_2O$ transpired to the number of moles of $CO_2$ assimilated.$C_3$ plants have a high transpiration ratio (typically $400-1000$) because they are less water-efficient.$C_4$ plants have a lower transpiration ratio (typically $200-350$) compared to $C_3$ plants.$CAM$ (Crassulacean Acid Metabolism) plants have the lowest transpiration ratio (typically $50-100$) because they open their stomata only at night,which significantly reduces water loss while fixing $CO_2$.

Which of the following categories of photosynthetic plants has the lowest transpiration ratio $(TR)$?

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