How many of the following belong to pteridophyta ?
Psilotum , Selaginella , Equisetum , Pteris , Pinus, Funaria , Sphagnum, Cycas, Adiantum

Options

A. Four
B. Five
C. Six
D. Seven

Answer

To determine how many of the listed plants belong to the group Pteridophyta, we will analyze each plant one by one.

### Step-by-Step Solution:

1. **Identify the plants in the list:**
- Psilotum
- Selaginella
- Equisetum
- Pteris
- Pinus
- Funaria
- Sphagnum
- Cycas
- Adiantum

2. **Classify each plant:**
- **Psilotum**: This is a genus of primitive vascular plants and belongs to Pteridophyta.
- **Selaginella**: This is a genus of vascular plants known as spike mosses, and it also belongs to Pteridophyta.
- **Equisetum**: Commonly known as horsetails, this plant belongs to Pteridophyta.
- **Pteris**: This is a genus of ferns, which are also part of Pteridophyta.
- **Pinus**: This is a genus of coniferous trees and belongs to Gymnosperms, not Pteridophyta.
- **Funaria**: This is a genus of mosses and belongs to Bryophyta, not Pteridophyta.
- **Sphagnum**: This is a genus of mosses commonly known as peat moss, and it belongs to Bryophyta, not Pteridophyta.
- **Cycas**: This is a genus of cycads and belongs to Gymnosperms, not Pteridophyta.
- **Adiantum**: This is a genus of ferns, which belong to Pteridophyta.

3. **Count the plants that belong to Pteridophyta:**
- The plants that belong to Pteridophyta are:
- Psilotum
- Selaginella
- Equisetum
- Pteris
- Adiantum
- This gives us a total of **5 plants** that belong to Pteridophyta.

### Final Answer:
**5 plants belong to Pteridophyta.**

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