Microorganisms in Industrial Fermentations (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is bioprocessing?
What is bioprocessing?
Use of enzyme-controlled reactions
Which micro-organisms are mainly used in industrial fermentations?
Which micro-organisms are mainly used in industrial fermentations?
Bacteria and fungi, especially yeast
What is a bioreactor?
What is a bioreactor?
A large vessel for fermentation
Why is a sterile environment essential in bioreactors?
Why is a sterile environment essential in bioreactors?
To prevent contamination
What does yeast produce to help dough rise in bread making?
What does yeast produce to help dough rise in bread making?
Carbon dioxide
What products does yeast produce through alcohol fermentation?
What products does yeast produce through alcohol fermentation?
Beer and wine
In industry, does fermentation require oxygen?
In industry, does fermentation require oxygen?
With or without oxygen
Which traditional product is made using bacteria and yeasts?
Which traditional product is made using bacteria and yeasts?
Yoghurt
What is immobilised E. coli used for?
What is immobilised E. coli used for?
Water treatment to detoxify sewage
Why is the mixture stirred in a bioreactor?
Why is the mixture stirred in a bioreactor?
For even distribution of nutrients
What can genetically modified micro-organisms produce?
What can genetically modified micro-organisms produce?
Enzymes to break down stains
Why are micro-organisms preferred over plant and animal cells?
Why are micro-organisms preferred over plant and animal cells?
Due to their efficiency