Which pair is wrong?

Options

A. Tuber – Potato
B. Rhizome – Ginger
C. Bulb – Onion
D. Corm – Mint

Answer

To determine which pair is wrong among the given options, we need to analyze each pair based on the type of underground modifications of stems they represent.

### Step-by-Step Solution:

1. **Identify the pairs**: The question presents four pairs:
- Pair 1: Tuber, Potato
- Pair 2: Rhizome, Ginger
- Pair 3: Bulb, Onion
- Pair 4: Corm, Mint

2. **Analyze Pair 1 (Tuber, Potato)**:
- A tuber is a swollen underground stem that stores food.
- Potato is indeed a tuber.
- **Conclusion**: This pair is correct.

3. **Analyze Pair 2 (Rhizome, Ginger)**:
- A rhizome is a horizontal underground stem that also stores food.
- Ginger is a well-known example of a rhizome.
- **Conclusion**: This pair is correct.

4. **Analyze Pair 3 (Bulb, Onion)**:
- A bulb is a short underground stem surrounded by fleshy leaves that store food.
- Onion is a classic example of a bulb.
- **Conclusion**: This pair is correct.

5. **Analyze Pair 4 (Corm, Mint)**:
- A corm is a swollen, fleshy, underground stem that serves as a storage organ.
- However, mint is not a corm; it is an example of an aerial modification of a stem.
- **Conclusion**: This pair is incorrect.

6. **Final Answer**: The wrong pair is **Corm, Mint**.