Spore forming anaerobic gram positive bacilli ?
Ans. is 'b' i.e., Clostridia There are two medically impoant spore forming bacteria. Both of them are 'gram positive' `bacilli' :-Aerobic : BacillusAnaerobic (obligate anaerobes) : Clostridia.
Bacillus Anthracis
Clostridia
Corynebacterium
Peptostreptococcus