Question:
In biogas plant, digestion occurs in the absence of:
In biogas plant, digestion occurs in the absence of:
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No Air (Oxygen) = Biogas. Air = Compost.
Updated On: May 5, 2026
- Carbon dioxide
- Oxygen
- Methane
- Hydrogen
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Concept Biogas is produced through anaerobic digestion, a biological process where microorganisms break down organic matter.
Step 2: Meaning "Anaerobic" literally means "without air," specifically referring to an environment lacking molecular oxygen.
Step 3: Analysis Methanogenic bacteria (methanogens) are strict anaerobes and can only produce methane in an environment where oxygen is absent. If oxygen is present, the process shifts to aerobic decomposition, which does not produce biogas.
Step 4: Conclusion Digestion occurs in the absence of oxygen.
Final Answer: (B)
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