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