In `C_(4)` plants, Calvin cycle enzymes are present in

Options

A. chloroplasts of mesophyl cells
B. chloroplasts of bundle sheath cells
C. cytoplasm of guard cells
D. cytoplasm of epidermal cells.

Explanation

To answer the question regarding where Calvin cycle enzymes are present in C4 plants, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding C4 Plants**: C4 plants have a unique photosynthetic pathway that involves two distinct types of cells: mesophyll cells and bundle sheath cells.

2. **Identifying the Processes**: In C4 plants, the initial fixation of carbon dioxide occurs in the mesophyll cells, where it is converted into a four-carbon compound (oxaloacetic acid). This process is known as the C4 cycle.

3. **Calvin Cycle Location**: The Calvin cycle, which is also referred to as the C3 cycle, occurs in the bundle sheath cells. These cells contain chloroplasts that are agranal (lacking grana), and they are responsible for the dark reactions of photosynthesis.

4. **Conclusion**: Therefore, the enzymes for the Calvin cycle are located in the chloroplasts of the bundle sheath cells in C4 plants.

5. **Final Answer**: The correct option is the second one: **chloroplast of the bundle sheath cells**.