Question

Describe the structure of stomata 1st puc

Answer 1

Structure. A stoma is the opening on a plant leaf, but there are specialized cells surrounding each stoma that control how open or closed it is. These specialized cells are called guard cells, and they are triggered by a number of factors, such as sunlight, humidity, temperature, and internal plant chemistry.

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.