Bacteria most commonly involved in bowel decomposition after death is -

Ans. is 'b' i.e. Clostridium welchii o Bowel decomposition is brought about by aerobic and anaerobic bacteria present in small intestine (e.g. C. welchii, staphylococcus, E.coli etc.) which release enzymes (especially lipase and lecithinase) which act on body to cause breakdown.