Bryophyte used as 'antiseptic bandage' is

Options

A. Sphagnum
B. Riccia fluitans
C. Marchantia
D. Porella

Answer

To answer the question "Bryophyte used as 'antiseptic bandage' is," we will follow these steps:

### Step-by-Step Solution:

1. **Understanding Bryophytes**:
- Bryophytes are non-vascular plants that include mosses, liverworts, and hornworts. They are known for their simple structure and habitat in moist environments.

2. **Identifying the Options**:
- The options provided are:
1. Sphagnum
2. Rixia flutens
3. Marchantia
4. Porella

3. **Researching Each Option**:
- Each of the listed bryophytes has different characteristics and uses. We need to identify which one is specifically known for its antiseptic properties.

4. **Focusing on Sphagnum**:
- Sphagnum, commonly known as peat moss, is recognized for its remarkable ability to absorb and retain water. This property makes it useful in various applications, including horticulture and medicine.

5. **Antiseptic Properties of Sphagnum**:
- Sphagnum has slight antiseptic properties, which allow it to be used effectively as an absorbent material in bandages. It can absorb fluids and help keep wounds clean, making it suitable for use in hospitals.

6. **Conclusion**:
- Based on the properties and uses discussed, the bryophyte that is used as an antiseptic bandage is **Sphagnum**.

### Final Answer:
The bryophyte used as an 'antiseptic bandage' is **Sphagnum**.

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