A meristem/fruit is free of viruses.

Answer

### Step-by-Step Solution:

1. **Understanding Meristem**:
- Meristem is a region in plants where cells are actively dividing. This region is crucial for growth and development.
- Meristematic tissues are responsible for the formation of new cells and tissues in plants.

2. **Tissue Culture**:
- Tissue culture is a technique used to grow plants in a controlled environment, typically in a laboratory setting.
- This method allows for the propagation of a large number of plants from a small part of the plant, such as a meristem.

3. **Virus-Free Plants**:
- One of the significant advantages of using meristem in tissue culture is that meristematic tissues are free from viruses.
- Since viruses cannot replicate in the actively dividing cells of the meristem, plants grown from this tissue are considered disease-free.

4. **In Vitro Cultivation**:
- The process of growing plants from meristem in a laboratory is referred to as in vitro cultivation.
- This method ensures that the plants produced are healthy and free from viral infections.

5. **Conclusion**:
- By utilizing meristem for tissue culture, we can effectively produce a large number of virus-free plants, ensuring better health and yield in agricultural practices.