Which bacteria are responsible for the formation of curd?
Correct answer: D. Lactobacillus acidophilus
- A. Lactic acid bacteria
- B. Bacillus radicicola
- C. Lactobacillus aureus
- D. Lactobacillus acidophilus
Explanation
Curd may contain a wide variety of bacteria like Lactobacillus acidophilus, Lactococcus lactis, Lactococcus lactis cremoris, etc. These bacteria then carry out fermentation of lactose present in the milk to form lactic acid which lowers the pH and causes agglutination of milk proteins and hence curd formation.
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About Scientific Reasoning
Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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