The plant hormone, which synthesized in root and translocated to aerial parts is :

Options

A. Auxin
B. Cytokinin
C. Traumatin
D. Morphactins

Answer

To solve the question regarding the plant hormone synthesized in the roots and translocated to the aerial parts, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for a specific plant hormone that is produced in the roots and then moves to the aerial parts of the plant, which typically include stems and leaves.

2. **Identify the Options**: The options provided are:
- Auxin
- Cytokinin
- Traumatin
- Morphectin

3. **Analyze Each Option**:
- **Auxin**: This hormone is primarily involved in the growth of plant cells and is known for its role in processes like phototropism and gravitropism. However, it is not specifically synthesized in the roots.
- **Cytokinin**: This hormone is indeed synthesized in the roots and is known to promote cell division and growth in the aerial parts of the plant. This makes it a strong candidate.
- **Traumatin**: This hormone is produced in response to wounding and is not primarily synthesized in the roots.
- **Morphectin**: This is a lesser-known hormone that contains fluorine and is known to suppress growth, and it is not synthesized in the roots.

4. **Conclusion**: Based on the analysis, the correct answer is **Cytokinin**, as it is synthesized in the roots and translocated to the aerial parts of the plant.

### Final Answer:
The plant hormone, which is synthesized in the root and translocated to the aerial parts, is **Cytokinin**.