Home
Class 12
BIOLOGY
Assertion : Streptococcus thermophilus i...

Assertion : Streptococcus thermophilus increases nitritional 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

Text Solution

Verified by Experts

The correct Answer is:
A

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

Similar Questions

Explore conceptually related problems

Why is curd more nutritious than milk ?

Bacterial strains of Streptococcus thermophilus and Lactobacillus delbrueckii are added to warm temperature milk in 2 : 1 proportion .

Knowledge Check

  • Assertion : The order of reaction can have fractional value. Reason : Order cannot be determined from a stiochiometrically balance equation.

    A
    Both assertion and reason are true and reason is the correct explanation of assertion.
    B
    Both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    Assertion is true but reason is false.
    D
    Both assertion and reason are false.
  • Assertion (A): Platinised asbestos is a better adsorbent than platinum block. Reason (R): Higher the surface area, higher is the amount adsorbed. In platinum coated asbestos the surface area is more and so it act as a better adsorbent.

    A
    Both A and R are correct and R is the correct explanation of A.
    B
    Both A and R are wrong.
    C
    A is correct but R is wrong.
    D
    A is wrong but R is correct.
  • Assertion : Colour of the sun is red at surface and sunset. Reason : The light rays from the sun have to travel a larger distance in the atmosphere than at noon.

    A
    Both assertion and reason are true and reason is correct explanation of assertion.
    B
    Both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    Assertion is true but reason is false
    D
    Both assertion and reason are false
  • Similar Questions

    Explore conceptually related problems

    Which diary product is more nutritious- Curd or milk? Give reason.

    Mark the correct choice as : (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true but reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true. (e) Both Assertion and reason are false.Assertion : Women have shriller sound than men. Reason : Men produced higher frequency sound than women.

    Assertion : Biofortifications is the most practical aspect to improve health of the people. Reason : Biofortifications is breeding crops with higher levels of vitamins or minerals or higher proteins and healthier fats.

    Assertion (A) : Amorphous solids are isotropic in nature. Reason (R) : In amorphous solids, they have identical values of physical properties such as refractive index, electrical conductance in all directions which is called isotropy.

    Assertion : To neutralise the excess acid formed in the stomach , milk of magnesia is taken . Reason :Milk of magnesia contains a base called magnesium hydroxide.