Question:

Which of the following is responsible for peat formation in Bog System?

Show Hint

Sphagnum = peat moss; its water retention and acidic environment creation make it essential for peat formation.
Updated On: May 26, 2026
  • Riccia
  • Funaria
  • Polytrichum
  • Sphagnum
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The Correct Option is D

Solution and Explanation


Step 1: Concept

Peat formation in bog ecosystems.

Step 2: Meaning

Peat forms when organic matter accumulates and decomposes very slowly under waterlogged, acidic conditions.

Step 3: Analysis

Sphagnum (peat moss) absorbs large quantities of water (up to 20 times its dry weight), creates and maintains the acidic, anaerobic conditions that inhibit decomposition, and directly contributes its biomass to peat formation. The other mosses (Riccia, Funaria, Polytrichum) do not form significant peat deposits.

Step 4: Conclusion

Sphagnum is the primary agent of peat formation in bog systems. Final Answer: (D)
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