Vascular bundles are scattered and closed in

Options

A. monocot root
B. dicot root
C. dicot stem
D. monocot stem

Answer

To answer the question "Vascular bundles are scattered and closed in", we will analyze the characteristics of vascular bundles in different plant groups.

### Step-by-Step Solution:

1. **Understanding Vascular Bundles**:
- Vascular bundles are structures in plants that contain vascular tissues, namely xylem and phloem.
- Their primary function is to transport water, minerals, and food throughout the plant.

2. **Types of Vascular Bundles**:
- Vascular bundles can be classified based on their arrangement and presence of cambium:
- **Scattered**: Vascular bundles are distributed throughout the stem or root.
- **Closed**: There is no cambium present between xylem and phloem, meaning they cannot produce secondary growth.
- **Open**: There is cambium present, allowing for secondary growth.

3. **Analyzing the Options**:
- **Monocot Group**: In monocots, vascular bundles are scattered and closed. This means that they do not form a ring and lack cambium.
- **Dicot Group**: In dicots, vascular bundles are typically arranged in a ring and are open, meaning they have cambium present.
- **Dicot Stem**: Similar to the dicot group, dicot stems have vascular bundles that are conjoined, collateral, and open.
- **Monocot Stem**: As mentioned, monocot stems have scattered and closed vascular bundles.

4. **Conclusion**:
- Based on the analysis, the correct answer to the question is that vascular bundles are scattered and closed in **monocot stems**.

### Final Answer:
Vascular bundles are scattered and closed in **monocot stems**.

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