A tissue is characterized by the presence of thin walls and isodiametric cells that are either closely packed or have intercellular spaces. This tissue is found in

Options

A. Shoot apex
B. Wood fibres
C. Pith of monocot root
D. Bast fibres

Answer

To solve the question about the tissue characterized by thin walls and isodiametric cells that are either closely packed or have intercellular spaces, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Characteristics of the Tissue**:
- The tissue has thin walls.
- The cells are isodiametric (having equal dimensions in all directions).
- The cells can be closely packed or have intercellular spaces.

2. **Recall Plant Tissue Types**:
- In plants, the main types of tissues include parenchyma, collenchyma, sclerenchyma, xylem, and phloem.
- Among these, parenchyma is known for having thin walls and can have intercellular spaces.

3. **Understand the Function and Location of Parenchyma**:
- Parenchyma is a fundamental tissue in plants that serves various functions including storage, photosynthesis, and tissue repair.
- It is found in various parts of the plant such as the cortex, pith (medulla), leaves, fruits, and seeds.

4. **Analyze the Options Provided**:
- The question provides options: shoot apex, wood fibers, pith of monocot root, and based fibers.
- The shoot apex contains meristematic tissue, which is not characterized by thin walls.
- Wood fibers consist of sclerenchyma, which has thick walls.
- Based fibers refer to phloem, which also does not match the characteristics given.

5. **Identify the Correct Answer**:
- The pith of monocot roots is primarily made up of parenchyma, which matches the description of the tissue in the question.
- Therefore, the correct answer is **pith of monocot root**.

### Final Answer:
The tissue characterized by the presence of thin walls and isodiametric cells that are either closely packed or have intercellular spaces is found in the **pith of monocot root**.

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