Question:

Fermentation by yeast is due to

Updated On: Aug 15, 2022
  • amylase
  • invertase
  • zymase
  • galactase.
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The Correct Option is C

Solution and Explanation

Yeast is a unicellular fungi, of great economic importance. They have enzymes for converting sugars into alcohol and $CO_{2}$ (fermentation). The enzyme used in this process is zymase
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Top Questions on Microbes in human welfare

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Concepts Used:

Microbes in Human Welfare

There are several valuable microorganisms that are beneficial to humans in various manners such as:

In Household Products

  1. Fermentation of milk to produce yogurt.
  2. Milk cuddling to compose curd, cheese, and paneer.

In Industrial Products

  1. Production of beverages such as wine, beer, whiskey, brandy, or rum.
  2. Production of antibiotics such as Penicillin and other chemical substances to kill or retard the expansion of disease-causing microbes.

Fermented Beverages

  1. A fermentor is used to produce microbes on a large scale for industrial purposes.
  2. The brewer’s yeast (Saccharomyces cerevisiae) is used to make ethanol. At this time, the yeast ferments malted cereals and fruit juices.

Antibiotics

  1. The term antibiotic means “against life”. These materials can kill or destroy the growth of other microbes.