In a woody dicotyledonous tree, which of the following parts of wall mainly consist of primary tissues

Options

A. all parts
B. stem and root
C. fruits, flowers and leaves
D. shoot tip and root tip

Answer

To answer the question, "In a woody dicotyledonous tree, which of the following parts of the wall mainly consist of primary tissues?", we need to understand what primary tissues are and where they are typically found in a plant.

### Step-by-Step Solution:

1. **Understanding Primary Tissues**:
- Primary tissues are those that are formed from the apical meristem and are involved in the primary growth of the plant. They include tissues such as parenchyma, collenchyma, and sclerenchyma.

2. **Identifying Parts of the Plant**:
- In a woody dicotyledonous tree, the main parts include the root, stem, and leaves. Each of these parts can have different types of tissues.

3. **Location of Primary Tissues**:
- Primary tissues are predominantly found in the tips of roots and stems. This is where the apical meristem is located, which is responsible for the growth in length.

4. **Conclusion**:
- Therefore, the parts of the wall that mainly consist of primary tissues in a woody dicotyledonous tree are the shoot tip and root tip.

5. **Final Answer**:
- The correct option is **D: Shoot tip and root tip**.