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One of the following is of considerable ...

One of the following is of considerable economic importance

A

Marchantia

B

Riccia

C

Funaria

D

Sphagnum.

Text Solution

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The correct Answer is:
**Step-by-Step Text Solution:** 1. **Identify the Options**: The question provides four options: Marchantia, Riccia, Funaria, and Sphagnum. 2. **Understand the Economic Importance**: We need to determine which of these options has considerable economic importance. 3. **Analyze Each Option**: - **Marchantia**: This is a liverwort and does not have significant economic uses. - **Riccia**: Another liverwort, similar to Marchantia, with limited economic importance. - **Funaria**: This is a type of moss but is not widely recognized for economic uses. - **Sphagnum**: This is commonly known as peat moss and has several economic applications. 4. **Highlight the Economic Importance of Sphagnum**: - **Packing Material**: Sphagnum is used to pack bulbs, cuttings, and seedlings due to its ability to absorb and retain moisture. - **Seed Beds and Greenhouses**: It is utilized in seed beds and greenhouses for root cuttings because of its moisture retention properties. - **Soil Acidity Maintenance**: Sphagnum helps maintain high soil acidity, which is beneficial for growing certain plants that require acidic conditions. - **Source of Coal**: Sphagnum is a potential source of coal and can be used as a fuel when dried. - **Antiseptic Properties**: Sphagnum has slight antiseptic properties and can be used as a substitute for cotton in bandages. 5. **Conclusion**: Based on the analysis, Sphagnum is the option with considerable economic importance due to its various applications in horticulture, agriculture, and as a resource for fuel and antiseptics. **Final Answer**: The correct option is **Sphagnum**. ---
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