Select the mismatched pair.

Options

A. Cycas-Living fossil
B. Thuja-Agar production
C. Pinus-Resin,Turpentine production
D. Araucaria-Ornamental plant

Explanation

To solve the question of selecting the mismatched pair, we will analyze each option one by one.

### Step-by-Step Solution:

1. **Identify the first option: Cyclus**
- Cyclus is known as a living fossil and is involved in evolutionary comeback.
- **Conclusion**: This pair is correctly matched.

2. **Identify the second option: Thuja**
- The question states that Thuja is responsible for egg production. However, Thuja is primarily known for its antibacterial properties, not for egg production.
- **Conclusion**: This pair is mismatched.

3. **Identify the third option: Pinus**
- Pinus is known for the production of resin, specifically terpenes. Terpenes are indeed released from the resin of pine trees.
- **Conclusion**: This pair is correctly matched.

4. **Identify the fourth option: Auracaria**
- Auracaria is a type of conifer and is also considered a living fossil. It is often used as an ornamental plant.
- **Conclusion**: This pair is correctly matched.

### Final Answer:
The mismatched pair is **B: Thuja is responsible for egg production**.

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