What happen in stomata when leaf mounted by water?
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Answer:
Stomate, also called stoma, plural stomata or stomas, any of the microscopic openings or pores in the epidermis of leaves and young stems. When the guard cell is filled with water and it becomes turgid, the outer wall balloons outward, drawing the inner wall with it and causing the stomate to enlarge. ...
When the plant has excessive water the guard cells become turgid and the ostiole opens. ... Water enters and goes out the stomata by osmosis. Other factors like light intensity and carbon dioxide concentration in the leaves influence the opening and the closing of the stomata.
Some plants limit water loss by closing their stomata when conditions are unfavorable. For example, when the humidity is low, water is more likely to evaporate quickly from the leaf surface, and plants often close or partially close their stomata to maintain a stable water balance in the leaf.
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. ... Leaf surfaces are dotted with pores called stomata (singular "stoma"), and in most plants they are more numerous on the undersides of the foliage.
Stomata are composed of two guard cells. These cells have walls that are thicker on the inner side than on the outer side. This unequal thickening of the paired guard cells causes the stomata to open when they take up water and close when they lose water
a lot of plants need well drained soil. They're said to not like getting their feet wet. The explanation given is that the roots need oxygen; they will rot and die if they're in standing water for too long.
Soil roots are not able to do that. That also explains why they tend to suffocate (and then rot) in case they are waterlogged.