From which cell of embryo, plumule is produced
(a) Apical octant
(b) Proembryo
(c) Hypophysis
(d) Micropylar octant

Options

A. Apical octant
B. Proembryo
C. Hypophysis
D. Micropylar octant.

Answer

To solve the question regarding which cell of the embryo produces the plumule, we can analyze the options provided:

1. **Understanding the Terms**:
- **Plumule**: This is the part of the embryo that develops into the shoot system of the plant.
- **Apical Octant**: This is the upper part of the embryo that gives rise to the plumule.
- **Proembryo**: This is an early stage of the embryo but does not specifically lead to the formation of the plumule.
- **Hypophysis**: This is the region of the embryo that contributes to the root system and does not form the plumule.
- **Micropylar Octant**: Also known as the basal octant, this part contributes to the formation of the radical (root) rather than the plumule.

2. **Analyzing the Options**:
- **(a) Apical Octant**: This is responsible for the formation of the plumule.
- **(b) Proembryo**: Does not specifically produce the plumule.
- **(c) Hypophysis**: Involved in root development, not plumule.
- **(d) Micropylar Octant**: Produces the radical, not the plumule.

3. **Conclusion**:
Based on the definitions and functions of each part of the embryo, the correct answer is **(a) Apical Octant**.

### Final Answer:
The plumule is produced from the **Apical Octant** of the embryo.

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