Question

Members of which group are used in making beer?
1. Rhizopus
2. Albugo
3. Neurospora
4. Yeast

Answer 1

Correct Answer - Option 4 : Yeast

Concept-

• The fungi constitute a unique kingdom of heterotrophic organisms.
• True fungi are divided into the following classes-
  • Phycomycetes- Examples are mucor, rhizopus.
  • Ascomycetes- Examples are Neurospora, Claviceps, yeast.
  • Basidiomycetes- Examples are Agaricus, ustilago.
  • Deuteromycetes- Examples are Alternaria, Colletotrichum.

Explanation-

• Yeast is a unicellular fungus.
• Yeast grows on ripened fruits like grapes, sugarcane, date palm, and flowers.
• Mycelium is absent in yeast.
• If the yeast is dissolved in sugar solution then pseudomycelium is formed. Because in a sugar solution, it grows very fast i.e. it reproduces fast.
• Yeast is also called fermentation fungi because different types of products are formed by fermentation with the help of yeast.

Yeast is used as a fermentation agent in breweries (wine industry).

• Rhizopus and Mucor are known as bread mold.
• Neurospora is red or pink mold. is used for the study of genetics in the Plant Kingdom.