Question

1. the process by which alcohol is made by yeast is called ______.

○ purification
○ distillation
○ bioconversion
○ fermentation

Explanation:

Yeast produces alcohol through anaerobic fermentation, breaking down sugars into ethanol and carbon dioxide. Purification and distillation are post-production steps, while bioconversion is a broader term not specific to this yeast-driven alcohol-making process.

Answer:

○ fermentation