Question

Periblem forms

• A. Endodermis
• B. Cortex
• C. Both A and B
• D. Epidermis

Answer 1

The correct option is C Both A and B

Histogen theory (By Hanstein 1870) states that shoot apical meristem consists three distinct zones :

1. Dermatogen (external layer) forms the outer covering of all organ of the plant.
2. Periblem (middle layer) gives rise to the cortex and endodermis.
3. Plerome (central layer) forms pith and primary vascular bundle.

Thus, option C is correct.