Question

Boojho's grandmother s suffering from diabetes. Her doctor advised her to take ‘Lassi’ wth less fat content. Which of the following methods would be most appropriate for Boojho to prepare it?

• A. Filtration
• B. Decantation
• C. Churning
• D. Winnowing

Answer 1

Answer: (B), (C)

Churning

Explanation for Correct option:

(C) Churning

• By churning the curd, butter (fat) is separated, and the leftover lassi has a less fat content and it can be better for diabetic persons.
• Milk is physically separated while being churned, and during this process, the milk's composition is unaffected.
• Milk components are separated via a physical process known as centrifugation. So, this is the correct option.

Explanation for incorrect options:

(A) Filtration

• Filtration is a method for separating an insoluble solid from a liquid, it cannot be used to separate the fat in the milk. So, this is an incorrect answer.

(B) Decantation

• Decantation can be used to separate immiscible liquids that have different densities, it cannot be used to separate the fat in the milk. So, this is an incorrect option.

(D) Winnowing

• It is used to separate heavier and lighter components of a mixture by wind or by blowing air. So, this is an incorrect option.

Hence, the correct option is (C) Churning