The natural plant hormone isolated from cormn kernels and coconut milk is

Options

A. Florigen
B. `GA_(3)`
C. Free auxins
D. Zeatin.

Answer

To answer the question about the natural plant hormone isolated from corn kernels and coconut milk, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Context**: The question is asking for a specific plant hormone that is found in both corn kernels and coconut milk.

2. **Recall Plant Hormones**: Understand that there are several types of plant hormones, including auxins, gibberellins, cytokinins, and ethylene.

3. **Focus on Cytokinins**: Among these, cytokinins are known for promoting cell division and are often associated with growth and development in plants.

4. **Identify Specific Cytokinins**: Within the category of cytokinins, kinetin is a well-known type that is often isolated from various plant sources.

5. **Connect to Sources**: Kinetin is specifically known to be isolated from corn kernels and coconut milk, which matches the criteria given in the question.

6. **Conclude with the Answer**: Therefore, the natural plant hormone isolated from corn kernels and coconut milk is kinetin.

### Final Answer:
The natural plant hormone isolated from corn kernels and coconut milk is **kinetin**.

---