The presence of bundle of sheath is a characteristic of

Options

A. `C_4` plant
B. `C_3` plant
C. CAM Plant
D. All of the above

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the characteristic presence of bundle sheath cells. We need to identify which type of plants exhibit this feature.

2. **Identifying Plant Types**: There are two main types of plants based on their photosynthetic pathways: C3 plants and C4 plants. We need to determine which of these has bundle sheath cells.

3. **Characteristics of C4 Plants**: In C4 plants, there are two types of cells involved in photosynthesis:
- **Mesophyll Cells**: These cells are responsible for the initial fixation of carbon dioxide. They contain an enzyme called phosphoenolpyruvate carboxylase (PEP carboxylase) which helps in forming a 4-carbon compound (oxaloacetic acid).
- **Bundle Sheath Cells**: These cells surround the vascular bundles and contain the enzyme ribulose bisphosphate carboxylase/oxygenase (rubisco). This is where the Calvin cycle (C3 cycle) occurs.

4. **Conclusion**: Since bundle sheath cells are specifically found in C4 plants, we can conclude that the presence of bundle sheath cells is a characteristic of C4 plants.

5. **Final Answer**: The presence of bundle sheath is a characteristic of **C4 plants**.

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