Question

Give very short note on epidermal tissue system

Answer 1

The epidermis usually con­sists of a single layer of cells which cover the whole outer sur­face of the plant body. The word is derived from two words of Greek origin, epi, upon, and derma, skin. It is a continuous lay­er except for certain small pores, called stomata and lenticels. Acc­ording to the histogen theory introduced by Hanstein in 1870, it is derived from dermatogen of apical meristem.