Question:
Which of the following affect composting of organic materials? A. Presence of Bacteria B. Moisture Content C. Presence of Fungi D. Presence of Viruses E. Availability of Oxygen
Which of the following affect composting of organic materials? A. Presence of Bacteria B. Moisture Content C. Presence of Fungi D. Presence of Viruses E. Availability of Oxygen
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Key composting factors: microorganisms (bacteria, fungi), moisture, oxygen, C:N ratio, temperature. Viruses do not contribute.
Updated On: May 26, 2026
- A, B, C and D only
- A, C, D and E only
- A, B, C and E only
- A, C and D only
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Concept
Factors affecting composting.
Step 2: Meaning
Composting is the aerobic decomposition of organic matter by microorganisms; several factors influence its efficiency.
Step 3: Analysis
Bacteria (A): Primary decomposers in composting --- Yes.
Moisture (B): Required for microbial activity; $\sim$50--60% optimal --- Yes.
Fungi (C): Important for breaking down woody/lignocellulosic material --- Yes.
Viruses (D): Do not play a significant role in composting decomposition --- No.
Oxygen (E): Aerobic composting requires O$_2$; anaerobic conditions produce methane instead --- Yes.
Step 4: Conclusion
Bacteria (A), Moisture (B), Fungi (C), and Oxygen (E) all affect composting. Final Answer: (C)
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