MCQ on Wine Yeast (Saccharomyces cerevisiae)




Wine yeast refers to strains of Saccharomyces cerevisiae specifically used in winemaking. These yeasts ferment grape sugars into alcohol and carbon dioxide, influencing wine flavor, aroma, and quality. They’re selected for their ability to thrive in grape must and contribute to desired wine characteristics. This Wine Yeast MCQ will help you to study the structure, reproduction, life cycles and its economic importance and industrial applications of Saccharomyces cerevisiae.

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1. 
Which species of yeast is primarily used in winemaking?

2. 
What role does yeast play in winemaking?

3. 
What does yeast convert sugar into during winemaking?

4. 
Which factor greatly influences the fermentation process of wine yeast?

5. 
What does the term "autolysis" refer to in the context of wine yeast?

6. 
Which nutrient is essential for yeast during the fermentation process in winemaking?

7. 
How does the temperature affect the fermentation process in wine yeast?

8. 
What does "starter culture" refer to in wine yeast terminology?

9. 
Which compound, produced during fermentation by yeast, contributes to the flavor complexity of wine?

10. 
What is the process called when wine yeast consumes all available sugars and fermentation ceases?

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Wine Yeast MCQ



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