The function of bulliform cells is to

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(C) Bulliform cells are large,bubble-shaped epidermal cells found in groups on the upper surface of leaves of many monocots,such as grasses.During per

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Reduce the rate of transpiration

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(C) Bulliform cells are large,bubble-shaped epidermal cells found in groups on the upper surface of leaves of many monocots,such as grasses.During periods of water stress or drought,these cells lose water and become flaccid.This loss of turgor pressure causes the leaves to roll inwards,which reduces the surface area exposed to the atmosphere.By rolling the leaves,the plant effectively reduces the rate of transpiration,thereby conserving water.Therefore,the correct option is $(c)$.

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