Choose the correct option -

Options

A. Selaginella has small leaves (microphylls)
B. Selaginella has large leaves (megaphylls)
C. Ferns have megaphylls
D. Both a and c

Answer

To solve the question regarding Teridophytes and their leaf types, let's break down the information step by step:

### Step-by-Step Solution:

1. **Understanding Teridophytes**: Teridophytes are a group of vascular plants that reproduce via spores and do not produce seeds. They include ferns, horsetails, and clubmosses.

2. **Leaf Types in Teridophytes**:
- **Megaphylls**: These are large leaves found in some Teridophytes, specifically in ferns.
- **Microphylls**: These are small leaves found in other types of Teridophytes, such as Selaginella.

3. **Identifying the Plants**:
- **Ferns**: They are characterized by having megaphylls (large leaves).
- **Selaginella**: This plant has microphylls (small leaves).

4. **Analyzing the Options**:
- Option 1 states that Selaginella has small leaves, which is correct.
- Option 2 states that Selaginella has large leaves, which is incorrect.
- Option 3 states that ferns have large leaves, which is correct.
- Option 4 states both A and C are correct, which is also correct.

5. **Conclusion**: The correct option is both A and C, which means the answer is option 4.

### Final Answer:
The correct option is **4 (both A and C)**.