10 Questions
What are microorganisms?
Microorganisms are very small living organisms that can only be seen through a microscope.
Give an example of a beneficial microorganism and its function.
An example of a beneficial microorganism is Lactobacillus bacteria. It helps in the formation of curd and cheese from milk by breaking down the lactose in milk into lactic acid, which causes the proteins in milk to curdle.
What is the role of yeast in food production?
Yeast is a microscopic, unicellular fungus that performs fermentation. It converts sugars into ethanol and carbon dioxide. This property of yeast is used in making bread and alcoholic beverages like wine and beer.
What is the function of gut bacteria in the human body?
Trillions of bacteria living in the human gut help in breaking down certain nutrients and medications. They also help in producing some vitamins.
How is yeast used in bread-making?
Yeast is used in bread-making to make the dough rise through fermentation, where it converts sugars into ethanol and carbon dioxide, causing the dough to expand and become fluffy.
What is virus outer covering made of?
Capsid
What is the function of Lactobacillus bacteria mentioned in the text?
Breaking down lactose in milk
What is the process by which yeast converts sugars into ethanol and carbon dioxide?
Fermentation
What is the role of gut bacteria in the human body?
Breaking down certain nutrients and medications
Which of the following is NOT a use of yeast mentioned in the text?
Making cheese
Test your knowledge on helpful microbes in Lesson 1. Learn about the different types of microorganisms and their roles, including how curd bacteria contribute to the formation of curd and cheese. Challenge yourself with this quiz and expand your understanding of these tiny but essential organisms.
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