Sweet potato is a modified

Options

A. Stem
B. Adventitious root
C. Tap root
D. Rhizome

Answer

To determine what sweet potato is a modified form of, we need to analyze the options provided:

1. **Understanding the Options**:
- **A. Stem**: This refers to the main structural part of the plant that supports leaves and flowers.
- **B. Adventitious root**: These are roots that grow from parts of the plant other than the primary root, such as stems or leaves.
- **C. Tap root**: This is a type of root that grows deep into the soil, with smaller lateral roots.
- **D. Rhizome**: This is a type of underground stem that grows horizontally and can produce new shoots.

2. **Identifying Sweet Potato**:
- Sweet potato is known for its storage capabilities and is commonly recognized as a root vegetable. It is specifically known for its enlarged roots that store nutrients.

3. **Analyzing Sweet Potato's Structure**:
- Upon examining the structure of sweet potato, it is classified as a tuberous root. This indicates that it is a modified root specifically for storage.

4. **Conclusion**:
- Based on the characteristics of sweet potato, it is classified as a modified **B. Adventitious root**. These roots are adapted for storing food and water, which is why sweet potatoes are often referred to as root tubers.

5. **Final Answer**:
- Therefore, the correct answer is **B. Adventitious root**.