Classification of permanent tissue on basis of their function

(i) Protective tissue¾Epidermis and periderm.
(ii) Photosynthetic tissue¾Chlorenchyma and Mesophyll
(iii) Storage tissue¾Parenchyma]
(iv) Mechanical tissue¾Collenchyma and sclerenchyma.

(v) Conducting tissue¾Xylem and pholem.