Pith is small or absent in ........... roots.

Answer

To answer the question "Pith is small or absent in ........... roots," we can follow these steps:

### Step-by-Step Solution:

1. **Understand What Pith Is**:
- Pith, also known as medulla, is a central part of the plant stem or root. It is made up of parenchymatous cells that have intercellular spaces.

2. **Identify Where Pith Is Found**:
- Pith is typically present in monocot roots, dicot stems, and monocot stems.

3. **Determine the Absence of Pith**:
- Pith is either small or absent in dicot roots. This is a key characteristic of dicotyledonous plants.

4. **Conclude the Answer**:
- Therefore, the answer to the question is that pith is small or absent in **dicot roots**.

### Final Answer:
Pith is small or absent in **dicot roots**.