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In beverage production, what role does Saccharomyces cerevisiae play when grapes are turned into wine?
AFermentation of the juice
BSeparating seeds from the fruit
CBleaching the colour
DPasteurising the bottle
Answer & Solution
Correct answer: A. Fermentation of the juice
1. Wine is made from grapes using Saccharomyces cerevisiae.
2. The yeast carries out fermentation of the juice.
3. Separating seeds from fruit is the role of microbes in coffee and cocoa, not wine.
4. Bleaching and pasteurising are vinegar steps, not the yeast's job here.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.89_
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