Multiple choice Which of the following is a chemosynthetic bacterium? Nitorsomonas nitrobacter Clostridium botulinum Rhizobium Diplococcus pneumoniae E. coli Reveal answer Fill a bubble to check yourself A Correct answer Explanation Nitrosomonas nitrobacter is a chemosynthetic bacterium, which produces food material by using chemical energy, which is derived from oxidisation of certain inorganic compounds.