Essential knowledge about yeast
Rules of the Quiz: do you know all there is to know about yeast? Find out by answering these six questions!
Be careful, though. There may be more than one correct answer; no points will be awarded if you miss one, or if you include a wrong answer.
Your final score will be given once you have answered all the questions.
What is yeast?
a fungus
a microbe
a vitamin
a fungus and a microbe
Correct!
Wrong!
A 1 cm cube of yeast weighs around 1 g and contains...
500,000 living yeast cells
1 million living yeast cells
10 billion living yeast cells
Correct!
Wrong!
Who discovered the role of yeast in fermentation?
Marie Curie
Louis Pasteur
Walter Flemming
Correct!
Wrong!
Yeast is used to make...
bread
beer
wine
vaccines
bread, beer, wine and vaccines
Correct!
Wrong!
The etymology of the word "yeast" comes from...
release
inflate
foam
Correct!
Wrong!
Man invented bread
500 years ago
3000 years ago
5000 years ago
Correct!
Wrong!
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Essential knowledge about yeast
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