Multiple choice The bacterium associated with second generation biofuels is Clostridium phytofermentans Clostridium perfringens Clostridium ljungdahlii Clostridium histolyticum Reveal answer Fill a bubble to check yourself C Correct answer Explanation It is an anaerobic, motile, gram-positive bacterium. It plays significant role in the fermentation process for second generation biofuels.