Frying - Quiz
Frying
  • 1. What percentage of calories can come from fat in fried foods due to oil absorption?
A) Up to 50%
B) Up to 75%
C) Up to 25%
D) Up to 90%
  • 2. What percentage of a battered chicken or fish's final weight is absorbed frying oil?
A) 20%
B) 40%
C) 15%
D) 35%
  • 3. What percentage of a breaded chicken or fish's final weight is absorbed frying oil?
A) 15%
B) 20%
C) 30%
D) 25%
  • 4. What is the final weight percentage of frying oil in doughnuts?
A) 5-10%
B) 35-40%
C) 25-30%
D) 15-20%
  • 5. What is the final weight percentage of frying oil in potato chips?
A) 10-15%
B) 50-60%
C) 15-20%
D) 35-40%
  • 6. Which vitamins are unstable at high temperatures according to the text?
A) Vitamin C and vitamin D
B) Thiamin, riboflavin, and vitamin A
C) Vitamin B12 and vitamin K
D) Vitamin E and biotin
  • 7. Why is vitamin C lost from fried foods during frying?
A) It is water soluble and lost during water evaporation
B) It reacts directly with frying oil
C) It is destroyed by oxidation
D) It transforms into protein
  • 8. What percentage of vitamin A is destroyed during frying?
A) 14%
B) 10%
C) 50%
D) 24%
  • 9. What percentage of vitamin A is destroyed when food is boiled?
A) 5%
B) 30%
C) 14%
D) 24%
  • 10. What causes fiber to increase in fried foods?
A) The absorption of plant-based frying oils
B) The formation of brown melanoidins in the crust
C) The concentration of minerals
D) The breakdown of carbohydrates
  • 11. Why does the proportion of protein increase in fried foods?
A) Due to the addition of protein-rich oils
B) Due to the formation of melanoidins
C) Due to the Maillard reaction absorbing nitrogen
D) Due to the concentrating effects of dehydration
  • 12. Which amino acid decreases in proportion due to its role in the Maillard reaction?
A) Leucine
B) Valine
C) Lysine
D) Glycine
  • 13. What unwanted substances found in some fish are concentrated during frying due to dehydration?
A) Pesticides
B) Synthetic plastics
C) Heavy metals
D) Microscopic parasites
  • 14. What toxic compounds are produced during frying and evaporate with steam?
A) Ketones
B) Alcohols
C) Aldehydes
D) Esters
  • 15. Give an example of an aldehyde produced during frying mentioned in the text.
A) Benzaldehyde
B) Formaldehyde
C) Butyraldehyde
D) Acetaldehyde
  • 16. What part of the human body can be irritated if frying fumes are inhaled?
A) Liver cells
B) Lung tissue
C) Skin cells
D) Stomach lining
  • 17. How have fumes from frying been classified by the International Agency for Research on Cancer?
A) Non-carcinogenic
B) Highly beneficial to health
C) Definitely carcinogenic to humans
D) Probably carcinogenic to humans
  • 18. What three elements cause degradation of oil during frying?
A) Water, high temperatures, and oxygen
B) Acids, metals, and carbon dioxide
C) Sugar, cold temperatures, and nitrogen
D) Salt, light, and pressure
  • 19. What effect does hydrolysis have on an oil's smoke point?
A) It stabilizes it
B) It causes it to increase
C) It causes it to decrease
D) It eliminates it completely
  • 20. What causes the formation of volatile compounds that change flavor, quality, and texture?
A) Oxidation
B) Hydrogenation
C) Hydrolysis
D) Dehydration
  • 21. What is another name for rapeseed oil?
A) Linseed oil
B) Groundnut oil
C) Canola oil
D) Sunflower oil
  • 22. What ranking does rapeseed oil hold among used frying oils?
A) Second most used
B) Least used
C) Most used
D) Third most used
  • 23. In which regions is rapeseed oil especially used?
A) Central America and the Caribbean
B) West Africa and South America
C) Northern Europe, Japan, Oceania, and Canada
D) Central Africa and the Middle East
  • 24. Why is rapeseed oil prone to oxidation despite mostly comprising monounsaturated fat?
A) Its high linolenic acid content
B) Its low antioxidant content
C) Its high water content
D) Its low saturated fat content
  • 25. What is another name for peanut oil?
A) Olive oil
B) Groundnut oil
C) Rapeseed oil
D) Canola oil
  • 26. Where is peanut oil commonly used?
A) Japan
B) Northern Europe
C) Canada
D) West Africa
  • 27. How does peanut oil differ from rapeseed oil regarding linolenic acid?
A) It is low in linolenic acid
B) It is high in linolenic acid
C) It has double the amount
D) It contains no fat at all
  • 28. Why is olive oil stable at high temperatures?
A) Because of its high linolenic acid content
B) Because it contains no water
C) Because it is chemically hydrogenated
D) Because of its high monounsaturated fat and antioxidant content
  • 29. How much more slowly does olive oil degrade compared to sunflower oil?
A) Five times as slowly
B) Two times as slowly
C) Ten times as slowly
D) Twenty times as slowly
  • 30. How much more slowly does olive oil degrade compared to linseed oil?
A) Two times as slowly
B) Fifty times as slowly
C) Ten times as slowly
D) Five times as slowly
  • 31. What might be the cause of fried food consumption not being linked to increased mortality in Mediterranean countries?
A) The avoidance of fish
B) The widespread use of olive oil
C) The consumption of green tea
D) The high intake of vitamin C
  • 32. What is used with a small amount of oil in air frying?
A) A chip pan
B) A wok
C) An air fryer
D) A deep fryer
  • 33. Which equipment can be used in an industrial frying operation for deep frying?
A) An air fryer
B) A shallow pan
C) A sauté pan
D) A pressure fryer or vacuum fryer
  • 34. What is one method for preparing food for deep frying that adds color and crunch?
A) Tossing in a wok
B) Partial submerging
C) Battering or breading
D) Boiling or steaming
  • 35. Which of the following is a common deep-fried food?
A) Doughnuts
B) Boiled potatoes
C) Steamed rice
D) Scrambled eggs
  • 36. What is tempura an example of?
A) An air-fried food
B) A deep-fried food
C) A stir-fried food
D) A sautéed food
  • 37. What feature do sauté pans usually have to prevent food from exiting while tossing?
A) A built-in thermometer
B) Higher sides
C) A flat bottom
D) A concave shape
  • 38. What is another name for shallow frying?
A) Pressure frying
B) Deep frying
C) Air frying
D) Pan frying
  • 39. What is stir frying?
A) An industrial frying operation
B) A French technique using a shallow pan
C) An Italian technique using a deep fryer
D) A Chinese, high-heat technique using a wok
  • 40. What temperature can the base of the wok reach during stir frying?
A) 400 °C (752 °F)
B) 100 °C (212 °F)
C) 200 °C (392 °F)
D) 500 °C (932 °F)
  • 41. According to a 2021 meta-analysis, the highest category of fried food consumption is associated with what increase in all-cause mortality?
A) 52%
B) 3%
C) 37%
D) 28%
  • 42. What percentage increase in heart failure was linked to the highest intake of fried food in the 2021 study?
A) 28%
B) 37%
C) 3%
D) 2%
  • 43. What was the increased risk of major cardiovascular events for those who ate the most fried food in the 2021 study?
A) 3%
B) 2%
C) 28%
D) 52%
  • 44. What increased risk of coronary heart disease was associated with a high intake of fried food in 2021?
A) 22%
B) 3%
C) 37%
D) 2%
  • 45. What relation did the 2021 study conclude fried food consumption has with cardiovascular disease?
A) A linear dose-response relation
B) No relation
C) A protective relation
D) An inverse relation
  • 46. According to a 2023 meta-analysis, fried food consumption is linked to what increase in the risk of stomach cancer?
A) 3%
B) 28%
C) 37%
D) 52%
  • 47. Around what year is frying believed to have first appeared?
A) 1000 BC
B) 1500 BC
C) 500 AD
D) 2500 BC
  • 48. In which ancient civilization did frying first appear?
A) Ancient Rome
B) Ancient Greece
C) Ancient Egypt
D) Zhou dynasty
  • 49. What was one of the first foods deep fried in oil according to history?
A) Potato chips
B) Tiger nut cakes
C) Wheat bread
D) Corn tortillas
  • 50. Which chemical change takes place during the frying process?
A) Cellulose breakdown
B) Protein denaturation
C) Enzymatic browning
D) Protein synthesis
  • 51. Which of the following is another chemical change that occurs during frying?
A) Lactic acid fermentation
B) Alcohol evaporation
C) Protein oxidation
D) Starch gelatinization
  • 52. In whose tomb are depictions of workers putting small cakes in pots of oil found?
A) King Tutankhamun
B) Egyptian Vizier Rekhmire
C) Vizier Ptahhotep
D) Pharaoh Ramses II
  • 53. During which Chinese period were the Rites of Zhou and the Book of Rites written?
A) Ming dynasty
B) Tang dynasty
C) Warring States period
D) Han dynasty
  • 54. Who described pancake-like griddle cakes made with sesame seeds and fried in olive oil?
A) Galen
B) Rekhmire
C) Apicius
D) Aristotle
  • 55. In what century did the Greek cook Galen describe griddle cakes fried in olive oil?
A) 5th century AD
B) 2500 BC
C) 15th century BC
D) Late 2nd century AD
  • 56. Which Roman cookbook describes a Delian sweet?
A) Rites of Zhou
B) Rekhmire's Tombs
C) Book of Rites
D) Apicius
  • 57. What is a Delian sweet made from?
A) Tiger nut flour
B) Sesame seed dough
C) Pickled meat paste
D) Hardened wheat paste
  • 58. What is created in the food's cell walls when water vaporizes during frying?
A) Cracks
B) Pores
C) Blisters
D) Crystals
  • 59. What causes the food's starch content to soften?
A) Dehydration
B) Denaturation
C) Carbonation
D) Gelatinization
  • 60. Which type of fats are most prone to oxidation and polymerization?
A) Saturated fats
B) Polyunsaturated fats
C) Palmitic acid
D) Monounsaturated fats
  • 61. What do oxidation and polymerization of fats form that are absorbed by food?
A) Toxic compounds
B) Vitamins
C) Monounsaturated fats
D) Oleic acid
  • 62. According to the 2022 WHO review of 170 studies, what did polyunsaturated fat consumption reduce?
A) Cancer risks
B) Palmitic acid levels
C) Overall mortality
D) Vitamin E content
  • 63. Which oxidizes more quickly: unsaturated fats or saturated fats?
A) Unsaturated fats
B) Neither oxidizes
C) Saturated fats
D) They oxidize at the same rate
  • 64. What can oils with a high linolenic acid content result in when reused?
A) Sweet fragrance
B) Foaming
C) Explosion
D) Fish-like smell
  • 65. How does reusing oil affect the saturated and trans fat content in foods?
A) Has no effect
B) Increases them
C) Decreases them
D) Removes them completely
  • 66. How does reusing oil affect monounsaturated and polyunsaturated fats in foods?
A) Increases them
B) Has no effect
C) Doubles them
D) Reduces them
  • 67. How do foods fried in reused oil behave regarding oil absorption?
A) They repel oil
B) They absorb no oil
C) They absorb more
D) They absorb less
  • 68. Which type of oils are more prone to foaming?
A) Sunflower oil
B) Saturated fats
C) Palm oil
D) Blended oils
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