Formation of interfascicular cambium and cork cambium are example of

Options

A. differentiation
B. dedifferentiation
C. redifferentiation
D. both (2) and (3)

Answer

To answer the question regarding the formation of interfascicular cambium and cork cambium, we will analyze the processes involved in plant growth and development.

### Step-by-Step Solution:

1. **Understanding Differentiation**:
- Differentiation is the process by which unspecialized cells develop into specialized cells with distinct functions. In plants, this occurs in meristematic tissues where cells divide and mature into specific cell types, such as tracheary elements.

**Hint**: Remember that differentiation leads to the formation of specialized cells from meristematic tissues.

2. **Understanding De-differentiation**:
- De-differentiation is the process where specialized cells lose their specialized characteristics and regain the ability to divide. This is crucial for the formation of new meristematic tissues. For example, when fully differentiated parenchyma cells revert to a meristematic state to form cambium tissues.

**Hint**: De-differentiation allows specialized cells to become meristematic again, enabling growth and repair.

3. **Formation of Cambium**:
- The interfascicular cambium and cork cambium are formed from differentiated parenchyma cells that undergo de-differentiation. This allows these cells to regain their capacity to divide and form new tissues.

**Hint**: Focus on how cambium formation involves cells reverting to a dividing state from their differentiated form.

4. **Understanding Re-differentiation**:
- After de-differentiation, the cells can undergo re-differentiation, where they mature again into specialized cells that perform specific functions. However, in the context of the question, we are primarily interested in the initial process that leads to cambium formation.

**Hint**: Re-differentiation is the final step where cells mature again after division.

5. **Conclusion**:
- The formation of interfascicular cambium and cork cambium is an example of de-differentiation, as these tissues arise from previously differentiated cells that regain the ability to divide.

**Final Answer**: The correct answer is **de-differentiation**.