Which group includes green leaf microphyllous plants :-

Options

A. Lycopsida
B. Sphenopsida
C. Psilotopsida
D. Pteropsida

Answer

To determine which group includes green leaf microphyllous plants, we will analyze the options provided: Lycopsida, Phenopsida, Psilotopsida, and Pteropsida.

### Step-by-Step Solution:

1. **Understanding Microphyllous Leaves**:
- Microphyllous leaves are small leaves with a single vein. They are characteristic of certain plant groups.

2. **Analyzing the Groups**:
- **Lycopsida**: This group is known for having microphyllous leaves. The sporophyte in Lycopsida is differentiated into stem, roots, and leaves, and the leaves have a single vein. Additionally, Lycopsida does not have leaf gaps.
- **Phenopsida**: This group does not specifically include microphyllous plants.
- **Psilotopsida**: While this group includes some primitive plants, they do not have microphyllous leaves.
- **Pteropsida**: This group includes ferns and flowering plants, which typically have megaphyllous leaves (larger leaves with multiple veins).

3. **Conclusion**:
- Based on the characteristics of the groups, the correct answer is **Lycopsida**, as it includes green leaf microphyllous plants.

### Final Answer:
The group that includes green leaf microphyllous plants is **Lycopsida**.

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