Question

Identify the processes discovered by Louis Pasteur.

• A. Vaccination
• B. Fermentation
• C. Decomposition
• D. Pasteurisation

Answer 1

Answer: (B), (D)

The correct options are
B Fermentation
D Pasteurisation

• Louis Pasteur discovered fermentation and pasteurisation.
• Fermentation is the process in which breakdown of sugar substances occur in the presence of microorganisms such as yeast. This process involves conversion of sugar into alcohol in the absence of oxygen.
• Pasteurisation is the sterilisation process wherein food materials, like milk/ milk products or wine are subjected to heating. This process aims at killing the pathogens, preventing food spoilage, etc.