Pith, which constitutes the central core of stem is also called

Options

A. Medulla
B. Epiblema
C. Bast
D. Ground tissues

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the alternative name of "pith," which is the central core of a stem.

2. **Identifying the Options**: The options provided are:
- Medulla
- Epiblema
- Bast
- Ground tissues

3. **Analyzing Each Option**:
- **Medulla**: This is the correct answer. Pith is indeed referred to as medulla and is primarily composed of parenchyma cells.
- **Epiblema**: This term refers to the outer layer of cells in the root, also known as the epidermis or rhizodermis. It is not related to the pith.
- **Bast**: This term is synonymous with phloem, which is responsible for the transport of nutrients and food. It does not refer to the pith.
- **Ground Tissues**: This term encompasses all types of ground tissues in plants, including pith, cortex, and others. It is not a specific name for pith.

4. **Conclusion**: Based on the analysis, the correct answer is **Medulla**, as it is the term used to describe the pith in the stem.

### Final Answer:
Pith, which constitutes the central core of the stem, is also called **Medulla**.

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