Industrial Fermentation Processes
Biology ⇒ Biotechnology and Applications
Industrial Fermentation Processes starts at 10 and continues till grade 12.
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Describe the difference between batch and continuous fermentation.
Describe the main difference between aerobic and anaerobic fermentation.
Describe the main steps involved in the industrial production of antibiotics.
Describe the role of oxygen in aerobic fermentation processes.
Describe the role of pH control in industrial fermentation.
Explain the term 'inoculum' in industrial fermentation.
Explain the term 'substrate' in the context of industrial fermentation.
A fermentation process yields 50 g of product from 200 g of substrate. What is the yield percentage?
Which microorganism is commonly used in the production of penicillin? (1) Saccharomyces cerevisiae (2) Penicillium chrysogenum (3) Escherichia coli (4) Aspergillus niger
Which of the following is a common application of industrial fermentation in the food industry? (1) Production of plastics (2) Production of cheese (3) Extraction of metals (4) Synthesis of fertilizers
Which of the following is a common nitrogen source in fermentation media? (1) Glucose (2) Ammonium salts (3) Sodium chloride (4) Ethanol
Which of the following is a disadvantage of batch fermentation? (1) High risk of contamination (2) Lower productivity (3) Difficult process control (4) All of the above
Fill in the blank: The microorganism __________ is commonly used for the production of citric acid.
Fill in the blank: The process of converting glucose to ethanol and carbon dioxide by yeast is called __________.
Fill in the blank: The process of converting lactose to lactic acid by bacteria is called __________ fermentation.
Fill in the blank: The process of separating and purifying the product after fermentation is called __________.
True or False: Antibiotics are usually produced as primary metabolites.
True or False: Fermentation can be used to produce both food and pharmaceuticals.
True or False: Fermenters are always operated under aerobic conditions.
True or False: Industrial fermentation always uses genetically modified organisms.
