The correct option is A Preparation of soft drinks
∙ Fermentation is a process in which a substance is broken down into a simpler substances by various microorganisms such as, yeast and bacteria.
∙ These microorganisms are widely used in the fermentation process for creating beer, wine, bread, kimchi, yogurt and other foods.
∙ The bacterium Lactobacillus ferments milk to form curd.
∙ Yeast fermentation is used to produce bread and various alcoholic drinks.