Q 2. How many types of elements together make up the xylem tissue? Name them.
Xylem transports water and minerals vertically from the roots to various parts of the plants. Xylem tissue consists of four different types of cells:
(i) Tracheids (ii) Vessels (iii) Xylem Parenchyma (iv) Xylem fibres
Out of these four, only Xylem Parenchyma is a living cell.