The process of fermentation includes the formation of curd by bacteria.

The correct option is A True

$\bullet$ Fermentation is a process by which carbohydrates are changed into alcohols and carbon dioxide by bacteria or yeast under anaerobic conditions.

$\bullet$ Fermentation involves the conversion of milk sugar (lactose) by Lactobacillus to produce lactic acid. These bacteria denature milk protein (casein) so that they clump together to form curd.