Industrial Fermentation Processes
Biology ⇒ Biotechnology and Applications
Industrial Fermentation Processes starts at 10 and continues till grade 12.
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Describe one environmental benefit of using industrial fermentation to produce chemicals.
Describe the difference between batch and continuous fermentation processes.
Describe the main advantage of continuous fermentation over batch fermentation.
Explain the term 'upstream processing' in industrial fermentation.
Explain why agitation is important in large-scale fermentation.
Explain why aseptic conditions are necessary in industrial fermentation.
Explain why temperature control is important in industrial fermentation.
A fermentation process produces 200 liters of ethanol from 500 kg of glucose. Calculate the yield of ethanol per kg of glucose.
Which gas is commonly supplied to aerobic fermentations to support microbial growth? (1) Nitrogen (2) Oxygen (3) Carbon dioxide (4) Hydrogen
Which microorganism is commonly used in the production of bread and alcoholic beverages? (1) Lactobacillus (2) Saccharomyces cerevisiae (3) Penicillium notatum (4) Escherichia coli
Which of the following is a by-product of ethanol fermentation? (1) Oxygen (2) Carbon dioxide (3) Ammonia (4) Sulfur dioxide
Which of the following is a common method for sterilizing fermentation media? (1) Filtration (2) Boiling (3) Autoclaving (4) Freezing
Fill in the blank: The foam produced during fermentation is often controlled by adding __________ agents.
Fill in the blank: The microorganism used in the production of penicillin is __________.
Fill in the blank: The process of adding a small amount of microorganisms to start fermentation is called __________.
Fill in the blank: The process of removing unwanted microorganisms from the fermenter before starting fermentation is called __________.
State whether the following statement is true or false: Fermentation can be used to produce single-cell protein for animal feed.
State whether the following statement is true or false: Industrial fermentation can be used to produce biofuels.
State whether the following statement is true or false: Penicillin is produced by a fungus during fermentation.
True or False: Antibiotics are always produced as primary metabolites during fermentation.
