The stem develops from-

Options

A. Hypocotyl
B. Epicotyl
C. Radicle
D. Plumule

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the origin of the stem in a plant. Specifically, it wants to know which part of the embryo develops into the stem during germination.

2. **Identifying the Options**: The options provided are:
- A) Hypocotyl
- B) Epicotyl
- C) Radicle
- D) Plumule

3. **Defining Each Term**:
- **Hypocotyl**: The part of the seedling that is below the cotyledons and above the radicle.
- **Epicotyl**: The part of the seedling that is above the cotyledons.
- **Radicle**: The part of the seed that develops into the root.
- **Plumule**: The part of the seed that develops into the stem and leaves.

4. **Analyzing the Development**: During germination, the plumule is the part of the embryo that grows into the stem. It is the ascending part of the axis that will eventually bear branches, leaves, flowers, and fruits.

5. **Conclusion**: Based on the definitions and the role of each part, the stem develops from the **plumule** of the embryo.

### Final Answer:
The stem develops from **D) Plumule**.

---