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Structure And Working Of Stomata (TutorVista)

Stomata (the word stomata means "mouth") are small pores found in the leaves of the plant that helps in gaseous exchange during photosynthesis and respiration. Stomata consist of two types of cells, the stoma or the pore and guard cells. Stomata are guarded pair of crescent shaped specialized parenchyma cells called guard cells which regulates the size of opening or pore of stomata.

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