Question

In dicotyledonous plants and gymnosperms, the lateral meristems-vascular cambium and cork cambium appear later in life. They are the meristems that cause increase in the girth of the organs in which they are active. This is known as

Answer 1

Lateral meristem in dicotyledons and gymnosperms is composed of vasular and cork cambium. These meristems cause increase in the girth of the plant parts wherever they are active, resulting in the secondary growth of the plants.

Secondary growth is characterised by increase in thickness of respective plant parts like stem and root.