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Food drying - Quiz
Food drying
  • 1. What is the primary purpose of food drying?
A) To create new types of protein sources.
B) Preservation by inhibiting bacteria, yeast, and mold growth.
C) To increase the water content for better flavor.
D) To remove all flavor from the food.
  • 2. How far back does the earliest known practice of food dehydration date?
A) 5,000 B.C.
B) 500 B.C.
C) 1,000 A.D.
D) 12,000 B.C.
  • 3. Which of these is a traditional method for removing water from food?
A) Microwave heating
B) Sun drying
C) Chemical fermentation
D) High-pressure boiling
  • 4. What is the name for dried cod prepared with salt?
A) Prosciutto
B) Bacalhau
C) Harðfiskur
D) Biltong
  • 5. What does a grape become when it is dried?
A) A prune
B) A fig
C) A raisin
D) A date
  • 6. Which food item is commonly associated with Sámi traditions?
A) Dried grapes
B) Dried mushrooms
C) Dried reindeer meat
D) Dried cod
  • 7. Which preservation substance is mentioned as a potential additive for home drying?
A) Sodium chloride
B) Calcium carbonate
C) Citric acid
D) Potassium metabisulfite
  • 8. What happens to water during industrial freeze-drying?
A) It sublimates directly from solid to gas.
B) It turns into liquid and drains out.
C) It is absorbed by chemical desiccants.
D) It is boiled away as steam.
  • 9. What is a main advantage of freeze-drying compared to traditional methods?
A) It is significantly cheaper to perform.
B) It is a faster process than sun drying.
C) It uses no electricity.
D) It mitigates changes in flavor and nutritional value.
  • 10. What is a major benefit of convective hot air drying in an industrial setting?
A) It is affordable and easy to maintain.
B) It requires no energy source.
C) It eliminates the need for any packaging.
D) It is the most expensive method available.
  • 11. What is 'hurdle technology' in food preservation?
A) The combination of multiple preservation methods.
B) A method to accelerate the evaporation process.
C) A technique that uses extreme heat only.
D) The use of plastic barriers for packaging.
  • 12. Which of these is a suggested method for packaging dehydrated food?
A) Vacuum sealing
B) Open-air containers
C) Water-soluble paper
D) Metal cages
  • 13. What happens if a dried product lacks preservatives?
A) It may require refrigeration or freezing for safe storage.
B) It becomes toxic immediately.
C) It will last indefinitely at room temperature.
D) It loses all its sugar content.
  • 14. Which dried meat is specifically mentioned as a delicacy in Iceland?
A) Bresaola
B) Beef jerky
C) Harðfiskur
D) Prosciutto
  • 15. What happens to a plum when it is dried?
A) It becomes a prune.
B) It becomes a date.
C) It becomes a raisin.
D) It becomes a fig.
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