The orientation of cellulose microfibrils in the cell wall of guard cells is?

Longitudinal

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Radial

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Oblique

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Tangential

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Solution

The correct option is C Radial
B. Radial

Reason: Stomata are tiny pore complexes found in the epidermis of leaves and other soft aerial part. Stomata are meant for the gaseous exchange but are also the main source of transpiration. Each stomata or stoma is surrounded by two small but specialized green epidermal cells called guard cells. In the cell wall of guard cells, the radial arrangement of the cellulose and microfibrils within the cell that ensures opening of the stomatal pore.

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Similar questions

In wall of guard cell, cellulose microfibrils are arranged

Assertion : The opening of stoma is also aided due to the orientation of the microfibrils in the cell walls of the guard cells.

Reason : Cellulose microfibrils are oriented radially rather than longitudinally, making it easier for stoma to open.

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