Question

Increase in girth of the plant as a result of the activities of primary and secondary lateral meristems is called

• A. primary growth
• B. secondary growth
• C. Intercalary growth
• D. both b and c

Answer 1

The correct option is B secondary growth

Secondary growth is the growth which results due to the activities of the primary and secondary lateral meristem. This kind of growth results in the increase of girth of the plant. While primary growth is the type of growth which causes due to the cell division at the tips of stems and roots, causing them to elongate, and gives rise to primary tissue.
Intercalary growth helps in the elongation of organs and are found in the internodes of the stalks of grasses and at the base of the leaves.