Sphagnum may be used as a substiture of :-

Options

A. Absorbent cotton
B. Non absorbent cotton
C. Plastic
D. Polythene

Answer

### Step-by-Step Solution:

1. **Identify Sphagnum**: Sphagnum is a type of moss, often referred to as peat moss. It is known for its unique properties and is commonly found in wetland areas.

2. **Understand Water Absorption**: One of the key characteristics of Sphagnum is its ability to absorb large amounts of water. It can hold approximately 18 times its own weight in water, making it an excellent absorbent material.

3. **Applications of Sphagnum**: Due to its high water retention capacity, Sphagnum is used in various applications. One significant use is in the transshipment of living materials, such as seedlings, where moisture retention is crucial.

4. **Comparison with Other Materials**: Given its properties, Sphagnum can be compared to other absorbent materials. In particular, it can serve as a substitute for absorbent cotton, which is also used for moisture retention.

5. **Conclusion**: Therefore, based on its properties and applications, Sphagnum may be used as a substitute for absorbent cotton.

### Final Answer:
Sphagnum may be used as a substitute for absorbent cotton.

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