Q. 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

 1521  181 Plant Growth and Development Report Error

Solution:

In dicotyledons plants and gymnosperms, the lateral meristems—vascular cambium and cork cambium— appear later in life. They are the meristems that cause increase the girth of the organs in which they are ac tive. This is known as secondary growth.