Question

Bamboo and grasses elongate by the activity of

• A. Secondary meristem
• B. Lateral meristem
• C. Apical meristem
• D. Intercalary meristem

Answer 1

The correct option is D

Intercalary meristem

The correct option is D:

Explanation of the correct option :

1. Intercalary meristem is a type of meristematic tissue which is present in between the mature regions of a plant.
2. The mature region refers to the base of the internodes.
3. They possess the ability to differentiate and produce new cells in mature regions.
4. Hence, they are responsible for the growth of plants like grass and bamboo when they get cut from in between.

Explanation of the incorrect option :

Option A:

Secondary meristem is responsible for secondary growth in plants

Option B :

Lateral meristem is responsible for the increase in the girth of the plant.

Option C:

Apical meristem is responsible for the growth of plants in length and is present on the tip of roots and shoots.

Final answer: Bamboo and grasses elongate by the activity of the intercalary meristem.