Question

Girth or width of the stem or root increases due to ________.

Answer 1

Meristems:

1. Because of the presence of lateral meristem, cork cambium, and vascular cambium, a stem's girth or secondary growth increases.
2. Apical meristems are found on a plant's apices/growing portions, such as the tips of shoots, roots, and so on.
3. Intercalary meristems can be found in internodes, the grass's base, and between leaves.

Final Answer: Girth or width of the stem or root increases due to Lateral meristems.