Question

Describe the structure of stomata

Answer 1

Stomata are small pores present in the epidermis of leaves. They regulate the process of transpiration and gaseous exchange. The stomatal pore is enclosed between two bean-shaped guard cells. The inner walls of guard cells are thick, while the outer walls are thin. The guard cells are surrounded by subsidiary cells. These are the specialised epidermal cells present around the guard cells. The pores, the guard cells, and the subsidiary cells together constitute the stomatal apparatus.

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Answer 2

Answer:

• Stomata are small pores present in the epidermis of leaves and are enclosed by two kidney-shaped cells called guard cells.

Function of stomata:

• Necessary for exchanging gases with the atmosphere during photosynthesis and respiration.
• Transpiration, i.e., loss of water takes place through them.