NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 43

Which bacterium is used to turn the milk to curd? A. Streptomyces B. Vibrio C. Lactobacillus D. Spirilla

  1. C

  2. B

  3. D

  4. A

Show answer & explanation

Answer: (A) C

Explanation

Lactobacillus bacteria turn milk into curd by fermenting its sugar, lactose, into lactic acid, which makes the milk protein coagulate. Lactobacillus also adds vitamin B12 to curd.