The number of neck canal cells in the archegonium of Selaginella is

Options

A. Two
B. Four
C. One
D. Eight to ten.

Answer

To answer the question about the number of neck canal cells in the archegonium of Selaginella, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**: Recognize that Selaginella is a type of pteridophyte, commonly referred to as club moss or spike moss.

2. **Understand the Reproductive Structures**: In Selaginella, there are two types of reproductive structures:
- Male reproductive structure: Antheridium
- Female reproductive structure: Archegonium

3. **Examine the Archegonium Structure**: The archegonium is the female sex organ that contains:
- An egg cell located in the center
- A ventral canal cell
- Neck canal cells that are located above the egg cell

4. **Determine the Number of Neck Canal Cells**: In the archegonium of Selaginella, it is crucial to note that there is only **one neck canal cell** present.

5. **Select the Correct Answer**: Based on the information gathered, the correct answer to the question is that the number of neck canal cells in the archegonium of Selaginella is **1**.

### Final Answer:
The number of neck canal cells in the archegonium of Selaginella is **1**.

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