describe the structure and function of stomata ?
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-Epidermis of a leaf is not continuous at some places due to the presence of small pores, called Stomata.
-Each stoma is bounded by a pair of specialized epidermal cells or two kidney cells called guard cells.
-The concave sides of this guard cells face each other and have a small forming Stomata opening.
-Guard cells are the only epidermal cells which contains, Chloroplast, the rest being colour less.
-The stoma allows gaseous exchange to occur during photosynthesis and respiration.
-During transpiration too, water vapour also escapes through Stomata.
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Stomata are present in leaf epidermis. They regulate the process of transpiration and gaseous exchange. They are enclosed by two bean-shaped guard cells
. The gas exchange that occurs when stomata are open facilitates photosynthesis. ... During photosynthesis, carbon dioxide is taken in from the atmosphere through the stomata and oxygen is released as a waste product
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