Bulliform cells are found in the leaves of

Asked by admin @ 25/08/2021 in Biology viewed by 334 People

Answered by admin @ 25/08/2021

Bulliform cells are the large thin-walled, empty cells that occur in the epidermis of many grass leaves (monocots) These cells by their turgor pressure changes cause rolling and unrolling of the leaves, thus regulating water loss. When bulliform cells are flaccid, the leaves of grass close as the two sides of the blade fold up toward each other. Once adequate water is available, the leaves open again. When folded, the leaves are less exposed to sunlight, so they are heated less which prevents water loss.

In dicot leaves, bulliform cells are absent. They contain three types of cells in epidermis and these are- epidermal cells, guard cells, subsidiary cells. When these cells also lose water, the leaf may fold but not as much as in case of monocot leaves containing bulliform cells.

Thus, the bulliform cells is an specific future of monocots to prevent loss of water.

Bulliform cells are found in the leaves of

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