Which of the following is incorrectly matched ?

Options

A. Flying lizard - Draco volans
B. Garden lizard - Hemidactylus frenatus
C. Tree lizard - Chamaeleo zeylanicus
D. Monitor lizard - Varanus monitor

Answer

To solve the question "Which of the following is incorrectly matched?" we will analyze each option provided and determine if the scientific names are correctly paired with their common names.

### Step-by-Step Solution:

1. **Analyze the First Option:**
- **Common Name:** Flying Lizard
- **Scientific Name:** Draco volant
- **Verification:** The scientific name for the flying lizard is indeed Draco. Therefore, this option is correctly matched.

2. **Analyze the Second Option:**
- **Common Name:** Garden Lizard
- **Scientific Name:** Hemiductylus frenatus
- **Verification:** The scientific name for the garden lizard is Callodes versicolor, while Hemiductylus frenatus refers to a type of gecko. Hence, this option is incorrectly matched.

3. **Analyze the Third Option:**
- **Common Name:** Tree Lizard
- **Scientific Name:** Camellio zelenicus
- **Verification:** The scientific name Camellio zelenicus corresponds to the tree lizard. Thus, this option is correctly matched.

4. **Analyze the Fourth Option:**
- **Common Name:** Monitor Lizard
- **Scientific Name:** Varanus
- **Verification:** The scientific name for the monitor lizard is Varanus. Therefore, this option is correctly matched.

### Conclusion:
After analyzing all options, the incorrectly matched pair is found in the second option: Garden Lizard - Hemiductylus frenatus.

### Final Answer:
The answer is **Option 2: Garden Lizard - Hemiductylus frenatus**.