NDA 2017 Biology question

Which one of the following microbes causes acidification and curding of milk ?

(A)Lactic Acid BacillusCorrect
(B)Clostridium botulinum
(C)Vibrio cholerae
(D)Saccharomyces cerevisiae

Answer: (A)

Solution

Lactic acid bacteria (Lactobacillus) ferment the lactose of milk into lactic acid. The acid lowers the pH and coagulates the milk protein casein, turning milk into

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Question ID VK-030896