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Fermentation involves the decomposition of organic compounds, especially sugars, in the absence of oxygen. Saccharomyces cerevisiae is utilized in this process to ferment sugars, producing ethyl alcohol and carbon dioxide as final products.

1. Fermentation occurs in the presence of oxygen.
2. Saccharomyces cerevisiae is employed to ferment sugars.
3. The process results in the production of ethyl alcohol and carbon dioxide.
4. Both statements about Saccharomyces cerevisiae and the formation of products are correct.

Correct answer: Both statements about Saccharomyces cerevisiae and the formation of products are correct.

Solution

Saccharomyces cerevisiae is a yeast used in fermentation, and the process produces ethyl alcohol and carbon dioxide as end products under anaerobic conditions. Both statements (b) and (c) are correct.

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