Question : Water stomata are present in the ______.
Option 1: veins
Option 2: ventral surface of the leaf
Option 3: leaf margin
Option 4: dorsal surface of leaf
Correct Answer: leaf margin
Solution : The correct option is the leaf margin.
Water stomata, also known as hydathodes, are specialised apertures on the surfaces of leaves that allow liquid water to escape. These structures are in charge of the guttation process, in which excess water is expelled from the plant during periods of excessive humidity or in the early morning when root pressure is strong enough to drive water out of the leaf margins.
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