Concept:Cambium is a type of meristematic tissue that actively divides to increase plant girth. It is classified based on its location as a lateral meristem.
Explanation:Meristematic tissues are responsible for plant growth. Based on position, they are: apical (tips), intercalary (base of leaves or internodes), and lateral (sides).
Cambium is located along the sides of stems and roots. It is called a lateral meristem.
Its main function is secondary growth: producing new xylem and phloem, which thickens the plant. Examples include vascular cambium and cork cambium.
Other options: Apical meristem is at root and shoot tips for length increase. Intercalary meristem is at leaf bases for regrowth (e.g., grass). Permanent tissue consists of non-dividing specialized cells.
Hence, cambium is not apical, not intercalary, and not permanent. It is a lateral meristem.
Answer:A. Lateral meristem
