AP BIOLOGY

Detailed explanation-1: -The epidermis is the outermost layer of cells that covers the whole plant. In the region of the root this layer is called the epiblema .

Detailed explanation-2: -The epidermis is the protective outer layer of clonally related cells covering all plant organs. It is composed of a number of specialised cell types which differentiate from the basal epidermal cell in adaptively significant frequencies and patterns.

Detailed explanation-3: -Epiblema. It is the root’s outermost cell layer. It is composed of thin-walled, flattened and slightly elongated parenchymatous cells that are tightly packed together. The absence of a distinct cuticle and stomata distinguishes the epidermis of the root from that of the stem.

Detailed explanation-4: -Hint: Epidermis is usually a single layered structure; found all over the surface of the plant body. In case of roots, it is called epiblema instead of epidermis.