Method of making milk free from microorganisms is called Pasteurisation because :

Correct option is D

The correct answer is (d).
Explanation
Pasteurisation is named after Louis Pasteur, the scientist who discovered this method. In this process, milk is heated to a specific temperature for a short period and then rapidly cooled to destroy harmful microorganisms without affecting the nutritional value of milk.
Additional Information
• Option {a} is incorrect because the method was not invented in Prussia. • Option {b} is incorrect because the term pasteurisation is derived from the name of the scientist, not a language. • Option {c} is incorrect because the scientist was Louis Pasteur, not Braille Pasteur.