Fermentation processes MCQs 

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1. 1. What is the primary purpose of fermentation in food processing?
Answer: d) All of the above





2. 2. Which microorganism is primarily responsible for the fermentation of bread dough?
Answer: b) Saccharomyces cerevisiae





3. 3. What type of fermentation produces ethanol as a major product?
Answer: b) Alcoholic fermentation





4. 4. Which process is used to produce yogurt from milk?
Answer: c) Lactic acid fermentation





5. 5. Which bacteria are commonly used in the production of sauerkraut?
Answer: a) Lactobacillus plantarum





6. 6. Which microorganism is used in the production of kefir?
Answer: c) Kefir grains





7. 7. What is the main product of lactic acid fermentation?
Answer: b) Lactic acid





8. 8. Which process converts sugars into vinegar?
Answer: c) Acetic acid fermentation





9. 9. What is the role of yeast in the fermentation process of beer production?
Answer: a) To convert sugars into ethanol and carbon dioxide





10. 10. Which type of fermentation is used to produce kimchi?
Answer: c) Lactic acid fermentation





11. 11. Which organism is primarily responsible for the fermentation in sourdough bread?
Answer: b) Lactobacillus species





12. 12. Which enzyme is crucial for breaking down sugars during alcoholic fermentation?
Answer: a) Amylase





13. 13. Which fermentation process is used to produce soy sauce?
Answer: d) Koji fermentation





14. 14. In which type of fermentation are lactic acid bacteria used to produce cheeses?
Answer: a) Homolactic fermentation





15. 15. Which process involves the fermentation of grape juice to produce wine?
Answer: b) Alcoholic fermentation





16. 16. What is the primary microorganism involved in the fermentation of kombucha tea?
Answer: c) Acetobacter species





17. 17. Which microorganism is essential for the fermentation of pickles?
Answer: a) Lactobacillus plantarum





18. 18. Which fermentation process is used in the production of miso?
Answer: b) Koji fermentation





19. 19. Which type of fermentation is used to produce buttermilk?
Answer: c) Lactic acid fermentation





20. 20. Which organism is primarily responsible for the fermentation of sake?
Answer: a) Aspergillus oryzae





21. 21. In which type of fermentation does yeast convert sugars into both ethanol and carbon dioxide?
Answer: c) Alcoholic fermentation





22. 22. Which fermentation process is used to produce tempeh?
Answer: d) Soybean fermentation





23. 23. Which bacteria are used in the fermentation of fermented fish products like surströmming?
Answer: b) Leuconostoc species





24. 24. What is the primary product of fermentation in the production of beer?
Answer: b) Ethanol





25. 25. Which enzyme helps in the breakdown of starches during the fermentation of beer?
Answer: a) Amylase





26. 26. Which fermentation process is used to produce traditional Korean fermented foods such as kimchi?
Answer: b) Lactic acid fermentation





27. 27. Which microorganism is crucial for the production of cider from apples?
Answer: a) Saccharomyces cerevisiae





28. 28. What is the purpose of malolactic fermentation in wine production?
Answer: b) To convert malic acid to lactic acid





29. 29. Which bacteria are used to ferment soybeans in the production of natto?
Answer: a) Bacillus subtilis





30. 30. What is the primary function of yeast in alcoholic fermentation?
Answer: b) To convert sugars into ethanol and carbon dioxide





31. 31. Which fermentation process is used to produce sauerkraut?
Answer: a) Lactic acid fermentation





32. 32. Which type of fermentation is used to produce the Japanese rice wine, sake?
Answer: a) Koji fermentation





33. 33. Which bacteria are used to produce buttermilk from milk?
Answer: c) Lactococcus lactis





34. 34. Which fermentation process is essential for making vinegar?
Answer: c) Acetic acid fermentation





35. 35. Which microorganism is involved in the fermentation of chocolate from cacao beans?
Answer: c) Aspergillus species





36. 36. Which process is used to ferment soybeans into soy sauce?
Answer: a) Koji fermentation





37. 37. What type of fermentation is used to produce the alcoholic beverage kombucha?
Answer: b) Acetic acid fermentation





38. 38. Which bacteria are involved in the fermentation of sour cream?
Answer: d) Both a and c





39. 39. What is the primary fermentation product of soy sauce production?
Answer: d) Amino acids





40. 40. Which microorganism is used in the production of fermented sausages like salami?
Answer: a) Lactobacillus species





41. 41. Which type of fermentation is used to make traditional Asian pickled vegetables?
Answer: a) Lactic acid fermentation





42. 42. What is the main product of fermentation in the production of miso?
Answer: c) Amino acids





43. 43. Which microorganism is crucial for the production of pickles from cucumbers?
Answer: a) Lactobacillus plantarum





44. 44. What is the main role of yeast in the production of wine?
Answer: b) To convert sugars into ethanol





45. 45. Which process is used to produce fermented fish sauce?
Answer: a) Lactic acid fermentation





46. 46. Which microorganism is essential for the production of tempeh?
Answer: a) Rhizopus oligosporus





47. 47. Which type of fermentation is used in the production of traditional cheese varieties?
Answer: a) Lactic acid fermentation





48. 48. Which microorganism is crucial in the production of sourdough bread?
Answer: b) Lactobacillus species





49. 49. What is the main product of fermentation in the production of cider?
Answer: a) Ethanol





50. 50. Which fermentation process is used to produce fermented soybean paste known as doenjang?
Answer: a) Koji fermentation

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