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Girth of stem of a plant increases due to division of cells in1. apical meristem only.2. lateral meristem only.3. apical and intercalary meristem.4. both apical and lateral meristem.

Answer» Correct Answer - Option 2 : lateral meristem only.

  • If a dividing tissue helps to increase the girth of the stem or root, then it's called Lateral meristem (cambium).
  • If meristem is at the base of the leaves or internodes (on either side of the node) on twigs then it's called Intercalary meristem.

Types of meristem

Description

Lateral meristem
 

 

The girth of the stem and roots increases due to lateral meristem. It is present on both sides of stem and roots.

Intercalary meristem
 

It is present in some plants and located near the nodes. It helps in the growth of leaves and internodes.

Apical meristem

It is present at the growing tips stems and roots and increases the length of stems and roots.

 


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