a. Xylem, phloem, permanent tissue, meristematic tissue- Meristematic tissue is the odd one out because xylem and phloem are types of permanent tissues.
b.Epithelium, Muscle fibre, nerve fibre, epidermis- Epidermis is the odd one out because all the other three are different types of tissues. Epidermis is an outer layer of cells found in plants.
c.Cartilage, bone, tendon, cardiac muscle- Cardiac muscle is the odd one out because rest of the three are connective tissues while cardiac muscle is a type of muscular tissue.