Question

Assertion : Streptococcus thermophilus increases nutritional value of milk
Reason : Curd and yoghurt have higher vitamin content than milk.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion.
• C. If assertion is true but reason is false
• D. If both assertion and reason are false.

Answer 1

Answer: (A)

Microbes have been used for long time in production of dairy products like curd, yoghurt, cheese, etc. Yoghurt is produced by curdling milk with the help of Streptococcus thermophilus and Lactobacillus bulgaricus. Yoghurt has higher nutritional value than milk thus, it can be said that Streptococcus thermophilus increases nutritional value of milk