Acetobacter aceti: Antibiotics
Saccharomycescerevisiae: Ethanol
Methanobacterium: Lactic acid
Penicillium notatum: Acetic acid
Ethanol fermentation is a biological process in which glucose is converted into ethanol followed by the release of carbon dioxide. It is done in the absence of oxygen by the yeast, Saccharomyces cerevisiae. Thus the correct answer is option B.