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Useful and Harmful Microbes — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceUseful and Harmful Microbes5 Marks
Question
How is alcohol produced?
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Answer

- Alcohol is often produced along with sugar in sugar factories.
- Molasses is produced from sugarcane juice. It is rich in carbohydrates.
- Molasses is fermented with the help of the yeast Saccharomyces.
- In this process, ethanol $\left( C _2 H _5 OH \right)$ alcohol is produced as a primary product and ester and other alcohols are produced as secondary products.
- Besides molasses, maize, barley and other grains are also used for industrial production of alcohol.
- Glucose and fructose, the sugars present in grape juice are also fermented with the help of yeast to produce alcohol which is used to make wines.

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