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Question
Bulliform cells are seen in –
Bulliform cells are seen in –
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Solution
The correct option is D Isobilateral Leaf
Dorsiventral leaf = Dicotyledonous leaf
Isobilateral leaf = Monocotyledonous leaf
In grasses, certain adaxial epidermal cells along with veins modify themselves into large, empty, colourless cells. These are called bulliform cells.
During drought, the loss of water through vacuoles induces the reduced bulliform cells to allow the leaves of many grass species to close as the two edges of the grass blade fold up toward each other.
Once enough water is available, these cells enlarge and the leaves are forced open again. It is concerned with the rolling and unrolling of the leaves.
Dorsiventral leaf = Dicotyledonous leaf
Isobilateral leaf = Monocotyledonous leaf
In grasses, certain adaxial epidermal cells along with veins modify themselves into large, empty, colourless cells. These are called bulliform cells.
During drought, the loss of water through vacuoles induces the reduced bulliform cells to allow the leaves of many grass species to close as the two edges of the grass blade fold up toward each other.
Once enough water is available, these cells enlarge and the leaves are forced open again. It is concerned with the rolling and unrolling of the leaves.
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