Question

Select the names of bacteria which are used in preparation of curd.

• A. Helicobacter pylori
• B. Lactobacillus acidophilus
• C. Lactobacillus bulgaricus
• D. Nitrobacter

Answer 1

Answer: (B), (C)

Lactobacillus bulgaricus

Lactobacillus is a type of bacteria which is used in making curd. During the process of preparation of curd, these bacteria are added to milk in small amount. The bacteria breakdown the lactose sugar present in milk into lactic acid. This conversion of milk into curd is called fermentation. Commonly used bacteria in this process are Lactobacillus acidophilus and Lactobacillus bulgaricus.