Emasculation is achieved by -

Options

A. Removal of anther
B. Removal of stigma
C. Removal of entire organisms
D. Removal of petals and sepals

Answer

**Step-by-Step Solution:**

1. **Understanding Emasculation**: Emasculation is a specific botanical technique used in plant breeding. It involves the removal of the male reproductive part of a flower, which is the anther.

2. **Purpose of Emasculation**: The primary purpose of emasculation is to prevent self-pollination. By removing the anthers, the pollen from the same flower cannot fertilize the ovule, allowing for controlled cross-pollination.

3. **Identifying the Correct Process**: Among the options provided:
- **Removal of Anther**: This is the correct answer, as it directly relates to the definition of emasculation.
- **Removal of Stigma**: This is incorrect because the stigma is not removed during emasculation.
- **Removal of Entire Organism**: This is also incorrect and does not pertain to emasculation.
- **Removal of Petals and Sepals**: This is not related to emasculation either.

4. **Conclusion**: Therefore, emasculation is achieved by the removal of the anther.

**Final Answer**: Emasculation is achieved by the removal of anther.

---