Which root will form a new plant naturally?

Options

A. Sweet potato
B. Dahlia
C. Both (a) and (b)
D. Azadirachta

Answer

To solve the question "Which root will form a new plant naturally?", we will analyze the options provided and determine which roots are capable of naturally forming new plants.

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks which type of root can naturally give rise to a new plant. We need to evaluate the options provided.

2. **Analyzing Option 1: Sweet Potato**:
- Sweet potatoes are tuberous roots that can sprout and produce new plants.
- When conditions are favorable, the eyes or buds on the sweet potato can develop into new shoots, leading to the formation of new plants.
- **Conclusion**: Sweet potato roots can naturally form new plants.

3. **Analyzing Option 2: Dahlia**:
- Dahlias are known for their tuberous roots as well.
- These tubers can also sprout and produce new plants when planted in suitable conditions.
- **Conclusion**: Dahlia roots can naturally form new plants.

4. **Analyzing Option 3: Both A and B**:
- Since both sweet potato and dahlia roots can form new plants, this option is correct as it includes both viable options.

5. **Analyzing Option 4: Incorrect Option**:
- The last option is stated to be incorrect. This option does not correspond to any known root that can form new plants naturally.

6. **Final Conclusion**:
- The correct answer is Option 3, which states that both sweet potato and dahlia roots can form new plants naturally.