JKSSB Mock Tests

Which of the following bacteria grow in milk and convert it to curd?

A. Salmonella typhi
B. Salmonella lactae
C. E. curdae
D. Lactic acid bacteria
Answer: Option D
Solution (By JKSSB Mock Tests Team)
Lactic acid bacteria (LAB), such as Lactobacillus, rapidly metabolize the lactose sugars found naturally in milk and excrete lactic acid as a byproduct. This acidifiable environment historically lowers the pH, causing the milk proteins to denature and coagulate into solid curd.
This Question Belongs to: General science Chemistry set 1
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