Which of the following is a mismatched pair?

Options

A. Namdapha Biosphere Reserve - Arunachal Pradesh
B. Jim Corbett National Park, Uttarakhand-First national park established in India
C. Western Ghats and Himalayas - Biodiversity hotspots of India
D. Lion-tailed macaque -- An extinct animal

Explanation

To solve the question "Which of the following is a mismatched pair?", we will analyze each option provided.

### Step-by-Step Solution:

1. **Identify the Options**: We need to look at the four options given in the question to determine which one is mismatched.

2. **Evaluate Option A**:
- **Statement**: Namdapha Biosphere Reserve is present in Arunachal Pradesh.
- **Verification**: This statement is correct. Namdapha Biosphere Reserve is indeed located in Arunachal Pradesh.

3. **Evaluate Option B**:
- **Statement**: Jim Corbett National Park is present in Uttarakhand.
- **Verification**: This statement is also correct. Jim Corbett National Park is the first national park established in India and is located in Uttarakhand.

4. **Evaluate Option C**:
- **Statement**: Western Ghats and Himalayas are biodiversity hotspots of India.
- **Verification**: This statement is correct. Both the Western Ghats and the Himalayas are recognized as biodiversity hotspots due to their rich species diversity.

5. **Evaluate Option D**:
- **Statement**: Loin-tailed macaque is an extinct animal.
- **Verification**: This statement is incorrect. The Loin-tailed macaque is not extinct; it is classified as an endangered species, meaning it is at risk of extinction but not yet extinct.

6. **Conclusion**: Since Option D is the only statement that is incorrect, it is the mismatched pair. Therefore, the answer to the question is Option D.

### Final Answer:
The mismatched pair is Option D: Loin-tailed macaque is an extinct animal.

---