Question

Methanogens do not produce:

• A. oxygen
• B. hydrogen
• C. sulfide carbon dioxide
• D. methane

Answer 1

The correct option is A oxygen

Methanogens:

Methanogens like Methanobacterium are anaerobic bacteria that can act upon organic matter like cellulose, releasing a mixture of gases composed of hydrogen, carbon dioxide and methane.



Hydrogen sulfide:

Small amount of hydrogen sulfide (H2S) is also produced during methanogenesis.



Oxygen:

Oxygen is not a byproduct of this anaerobic digestion process.

Final answer:a. oxygen