I. Occur as layers or patches
II. Cell wall – Unevenly thickened due to pectocellulosic deposition
III. Cells-Spherical, oval or polygonal
IV. Often has chloroplast
V. Living mechanical tissue
VI. Occur in hypodermis of young dicot stem and petiole
The characters are shown by which of the following tissues -

Options

A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Vascular tissue

Answer

To determine which tissue exhibits the given characteristics, we will analyze each point step by step:

### Step-by-Step Solution:

1. **Occurrence as Layers or Patches**:
- The tissue in question occurs in layers or patches. This is characteristic of collenchyma, which is typically found in layers beneath the epidermis in stems and petioles.

2. **Cell Wall – Unevenly Thickened**:
- The cell walls of collenchyma are known for being unevenly thickened due to the deposition of pectocellulose. This feature helps provide flexibility and support.

3. **Cell Shape**:
- The cells of collenchyma can be spherical, oval, or polygonal in shape. This variability in shape is another defining characteristic of collenchyma tissue.

4. **Presence of Chloroplasts**:
- Collenchyma cells often contain chloroplasts, which allows them to perform photosynthesis. This is a unique feature that distinguishes them from other mechanical tissues.

5. **Living Mechanical Tissue**:
- Collenchyma is classified as a living mechanical tissue, which means that the cells are alive at maturity and contribute to the support of the plant.

6. **Location**:
- Collenchyma is typically found in the hypodermis of young dicot stems and petioles, providing structural support while allowing for growth.

### Conclusion:
Based on the analysis of the characteristics provided, the tissue that exhibits all these features is **Collenchyma**. Therefore, the correct answer is **option 2: Collenchyma**.

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