Question

what is the function of Guard cell ?​

Answer 1

Answer:

The opening and closing of poar is a function of the guard. The guard cell swell when water flows into them causing stomatal pore to open similarly the pores closes if the guard cells shrink.

Answer 2

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Guard cells are located in the leaf epidermis and pairs of guard cells surround and form stomatal pores, which regulate CO2 influx from the atmosphere into the leaves for photosynthetic carbon fixation. Stomatal guard cells also regulate water loss of plants via transpiration to the atmosphere.

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