Transfusion tissue is found in

Options

A. Cycas stem
B. Cycas leaflet
C. Cycas petiole
D. Cycas root

Answer

### Step-by-Step Solution:

1. **Understanding Transfusion Tissue**:
- Transfusion tissue, also known as Hydrosterome, is a specialized tissue in plants that is responsible for the conduction of water and food.

2. **Identifying the Location**:
- This tissue is primarily found in the leaves or leaflets of certain plants.

3. **Types of Plants**:
- Transfusion tissue is specifically found in gymnosperms, particularly in the leaves of plants such as Pinus (pine trees) and Cycas (a type of cycad).

4. **Characteristics of Transfusion Tissue**:
- The vascular bundles in the leaves of gymnosperms contain living cells, such as parenchyma, which are not lignified and have thin walls.
- However, the tracheids present in this tissue are lignified and have bordered pits.

5. **Conclusion**:
- Based on the information, we can conclude that transfusion tissue is found in the leaflets of Cycas (option 2).

### Final Answer:
Transfusion tissue is found in the leaflets of Cycas.

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