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Solution


Q.

Which of the following is responsible for peat formation                [2014]
1 Marchantia  
2 Riccia  
3 Funaria  
4 Sphagnum  

Ans.

(4)

Among the bryophytes, Sphagnum accounts by far the most important place economically. It is popularly called bog moss or peat moss. It is perennial, and its growth continues year after year. Older portions undergo death but do not decompose due to the secretion of acid that accounts for the antibacterial and antifungal actions. The increasing mass of dead remains accumulates year after year and forms a compact dark-colored mass rich in carbon, which is called peat. Peat is used as fuel. Paraffin, acetic acid, peat tar, and ammonia are formed as by-products of peat obtained for industrial uses.