Multiple choice general knowledge science & technology

Which bacteria is used in preparing curd?

  1. Streptococcus

  2. Lactococcus

  3. Lactobacillus

  4. Streptobacillus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lactobacillus is the genus of bacteria responsible for fermenting milk to produce curd (yogurt/dahi). These bacteria convert lactose into lactic acid, which causes milk proteins to coagulate and thicken. Streptococcus is a different genus that includes some species used in dairy but not primarily for curd.

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