Which high yielding semi dwarf variety of rice was developed at Taiwan?

Options

A. Taichung Native-I
B. Ratna
C. Jaya
D. IR-8

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a specific high-yielding semi-dwarf variety of rice that was developed in Taiwan.

2. **Identifying Options**: The options provided are:
- Taichung Native First
- Ratna
- Jaya
- IR8

3. **Analyzing Each Option**:
- **Taichung Native First**: This is a variety of rice known to be developed in Taiwan.
- **Ratna**: This variety was developed in India.
- **Jaya**: This variety was also developed in India.
- **IR8**: This variety was developed at the International Rice Research Institute in the Philippines.

4. **Selecting the Correct Answer**: Among the options, Taichung Native First is the only variety that was developed in Taiwan, making it the correct answer.

5. **Final Answer**: The high-yielding semi-dwarf variety of rice developed in Taiwan is **Taichung Native First**.

---