Epiblema of roots is equivalent to

Epidermis is the outermost layer of the primary plant body. They are usually single layered.

In case of root, it is called epiblema instead of epidermis.

Stele is collective term for all tissues present on the innerside of the endodermis like pericycle, vascular bundles and pith.

Endodermis and Pericycle are the part of root or stem encircling vascular strands.

Hence the correct answer is option (c).