Question

Methanogens, growing anaerobically on cellulosic material, produce

• A. methane
• B. methane and carbon dioxide
• C. methane and hydrogen
• D. methane, carbon dioxide and hydrogen

Answer 1

The correct option is D methane, carbon dioxide and hydrogen

Methanogens, growing anaerobically on cellulosic material, produce methane, carbon dioxide and hydrogen.
These microorganisms are generally present in the rumen of the cow. Cows eat hay which is made of cellulose and other polymers, which are long molecules that the animal cannot digest, but methanogens can.