The stele is composed of

How many of the following structures are associated with the conduction of water?
Tracheids,Xylem parenchyma,Xylem fibers,Vessels

Specialised epidermal cells surrounding the guard cells are called

Select the correct option for the following statements:
$(i)$ The vessel element is made up of cells arranged one above the other.
$(ii)$ When xylem and phloem are arranged together on the same radius,it is called a conjoint/radial vascular bundle.

Consider the following structures and select the structures which form the stele.
$(A)$ Endodermis
$(B)$ Pericycle
$(C)$ Vascular tissue system
$(D)$ Pith

The chief function of a vessel in a plant body is