Botany - Anatomy of Flowering Plants Question with Solution | TestHub

Stomata are epidermal cells that help in the diffusion of gases. It has stomatal pore, guard cells and subsidiary cells. Guard cells are chloroplast containing epidermal cells which are dumbbell-shaped in monocots and bean-shaped in dicots. The inner wall of the guard cells is thick while the outer wall is thin. Subsidiary cells are epidermal cells without chloroplasts present near guard cells and are specialized in their shape and size.