Question

definition of Guard cells​

Answer 1

Answer:

Guard cells are specialized plant cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore.

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Answer 2

Explanation:

guard cells are cells which close and open due to water pressure and according to need of sunlight eg. it controls the transpirarion i.e the amount of water loss from body of plant they also help in exchange of gases