In leaves, the small openings surrounded by guard cells that allow gas exchange are known as:

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Stomata are microscopic pores typically on the lower epidermis of leaves, bounded by two guard cells that regulate opening and closing for gas exchange (CO₂ in, O₂ out) and transpiration. Lenticels are on bark, hydathodes release water droplets (guttation), sclereids are thick-walled sclerenchyma cells. Stomatal density varies with environmental conditions.

In leaves, the small openings surrounded by guard cells that allow gas exchange are known as: MCQ with Answer and Explanation

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