NEET Biology question

Which of the following correctly states the role of Lactobacillus in curd formation with respect to pH?

(A)It lowers the pH of milk by producing lactic acid, causing coagulationCorrect
(B)It raises the pH of milk, preventing coagulation
(C)It has no effect on the pH of milk
(D)It neutralises milk to exactly pH 7 before curdling

Answer: (A)

Solution

Lactobacillus ferments lactose to lactic acid, which lowers the pH of milk

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Question ID VK-124450