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

Options

A. Stem and root
B. All parts
C. Shoot tips and root tips
D. Flowers, fruits and leaves

Answer

To answer the question regarding which parts of a woody dicotyledonous tree mainly consist of primary tissues, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Woody Dicotyledonous Trees**:
- Woody dicotyledonous trees undergo secondary growth, which means they can grow thicker over time due to the activity of the cambium layer.

2. **Identifying Primary Tissues**:
- Primary tissues are those that are formed from the apical meristem and procambium. These include tissues that are present in the early stages of plant development.

3. **Parts of the Plant**:
- The main parts of a woody dicotyledonous tree include:
- Stem
- Roots
- Leaves
- Flowers
- Fruits

4. **Location of Primary Tissues**:
- Primary tissues are primarily found in the younger parts of the plant, such as:
- Shoot tips (where growth occurs)
- Root tips (where root growth occurs)
- Leaves (developed from primary meristems)
- Flowers and fruits (which also develop from primary tissues)

5. **Distinguishing Between Primary and Secondary Tissues**:
- Secondary tissues, such as secondary xylem and phloem, are produced by the cambium and contribute to the thickness of the stem and roots. These are not considered primary tissues.

6. **Conclusion**:
- Therefore, the parts of a woody dicotyledonous tree that mainly consist of primary tissues are the shoot tips, root tips, leaves, flowers, and fruits.

### Final Answer:
The parts of a woody dicotyledonous tree that mainly consist of primary tissues are the shoot tips, root tips, leaves, flowers, and fruits.

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