Frying - Quiz
Frying
  • 1. What percentage of calories can come from fat in fried foods due to oil absorption?
A) Up to 90%
B) Up to 25%
C) Up to 75%
D) Up to 50%
  • 2. What percentage of a battered chicken or fish's final weight is absorbed frying oil?
A) 40%
B) 35%
C) 20%
D) 15%
  • 3. What percentage of a breaded chicken or fish's final weight is absorbed frying oil?
A) 25%
B) 20%
C) 15%
D) 30%
  • 4. What is the final weight percentage of frying oil in doughnuts?
A) 25-30%
B) 15-20%
C) 5-10%
D) 35-40%
  • 5. What is the final weight percentage of frying oil in potato chips?
A) 35-40%
B) 15-20%
C) 50-60%
D) 10-15%
  • 6. Which vitamins are unstable at high temperatures according to the text?
A) Thiamin, riboflavin, and vitamin A
B) Vitamin B12 and vitamin K
C) Vitamin C and vitamin D
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 transforms into protein
D) It is destroyed by oxidation
  • 8. What percentage of vitamin A is destroyed during frying?
A) 14%
B) 24%
C) 10%
D) 50%
  • 9. What percentage of vitamin A is destroyed when food is boiled?
A) 14%
B) 24%
C) 5%
D) 30%
  • 10. What causes fiber to increase in fried foods?
A) The concentration of minerals
B) The breakdown of carbohydrates
C) The formation of brown melanoidins in the crust
D) The absorption of plant-based frying oils
  • 11. Why does the proportion of protein increase in fried foods?
A) Due to the Maillard reaction absorbing nitrogen
B) Due to the formation of melanoidins
C) Due to the addition of protein-rich oils
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) Lysine
C) Glycine
D) Valine
  • 13. What unwanted substances found in some fish are concentrated during frying due to dehydration?
A) Synthetic plastics
B) Microscopic parasites
C) Pesticides
D) Heavy metals
  • 14. What toxic compounds are produced during frying and evaporate with steam?
A) Aldehydes
B) Alcohols
C) Ketones
D) Esters
  • 15. Give an example of an aldehyde produced during frying mentioned in the text.
A) Acetaldehyde
B) Benzaldehyde
C) Butyraldehyde
D) Formaldehyde
  • 16. What part of the human body can be irritated if frying fumes are inhaled?
A) Liver cells
B) Stomach lining
C) Skin cells
D) Lung tissue
  • 17. How have fumes from frying been classified by the International Agency for Research on Cancer?
A) Definitely carcinogenic to humans
B) Probably carcinogenic to humans
C) Non-carcinogenic
D) Highly beneficial to health
  • 18. What three elements cause degradation of oil during frying?
A) Sugar, cold temperatures, and nitrogen
B) Salt, light, and pressure
C) Acids, metals, and carbon dioxide
D) Water, high temperatures, and oxygen
  • 19. What effect does hydrolysis have on an oil's smoke point?
A) It causes it to decrease
B) It eliminates it completely
C) It causes it to increase
D) It stabilizes it
  • 20. What causes the formation of volatile compounds that change flavor, quality, and texture?
A) Dehydration
B) Hydrolysis
C) Hydrogenation
D) Oxidation
  • 21. What is another name for rapeseed oil?
A) Groundnut oil
B) Canola oil
C) Sunflower oil
D) Linseed oil
  • 22. What ranking does rapeseed oil hold among used frying oils?
A) Second most used
B) Most used
C) Third most used
D) Least used
  • 23. In which regions is rapeseed oil especially used?
A) Central America and the Caribbean
B) Northern Europe, Japan, Oceania, and Canada
C) Central Africa and the Middle East
D) West Africa and South America
  • 24. Why is rapeseed oil prone to oxidation despite mostly comprising monounsaturated fat?
A) Its high water content
B) Its low saturated fat content
C) Its low antioxidant content
D) Its high linolenic acid content
  • 25. What is another name for peanut oil?
A) Canola oil
B) Olive oil
C) Groundnut oil
D) Rapeseed oil
  • 26. Where is peanut oil commonly used?
A) West Africa
B) Northern Europe
C) Japan
D) Canada
  • 27. How does peanut oil differ from rapeseed oil regarding linolenic acid?
A) It contains no fat at all
B) It is high in linolenic acid
C) It is low in linolenic acid
D) It has double the amount
  • 28. Why is olive oil stable at high temperatures?
A) Because it is chemically hydrogenated
B) Because of its high monounsaturated fat and antioxidant content
C) Because it contains no water
D) Because of its high linolenic acid content
  • 29. How much more slowly does olive oil degrade compared to sunflower oil?
A) Two times as slowly
B) Twenty times as slowly
C) Ten times as slowly
D) Five times as slowly
  • 30. How much more slowly does olive oil degrade compared to linseed oil?
A) Two times as slowly
B) Ten times as slowly
C) Fifty 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 consumption of green tea
B) The widespread use of olive oil
C) The high intake of vitamin C
D) The avoidance of fish
  • 32. What is used with a small amount of oil in air frying?
A) A chip pan
B) An air fryer
C) A deep fryer
D) A wok
  • 33. Which equipment can be used in an industrial frying operation for deep frying?
A) A shallow pan
B) A sauté pan
C) An air fryer
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) Boiling or steaming
D) Battering or breading
  • 35. Which of the following is a common deep-fried food?
A) Boiled potatoes
B) Scrambled eggs
C) Steamed rice
D) Doughnuts
  • 36. What is tempura an example of?
A) An air-fried food
B) A stir-fried food
C) A deep-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) A concave shape
C) A flat bottom
D) Higher sides
  • 38. What is another name for shallow frying?
A) Deep frying
B) Pressure frying
C) Air frying
D) Pan frying
  • 39. What is stir frying?
A) An Italian technique using a deep fryer
B) A French technique using a shallow pan
C) An industrial frying operation
D) A Chinese, high-heat technique using a wok
  • 40. What temperature can the base of the wok reach during stir frying?
A) 500 °C (932 °F)
B) 400 °C (752 °F)
C) 100 °C (212 °F)
D) 200 °C (392 °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) 37%
B) 28%
C) 3%
D) 52%
  • 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) 2%
D) 3%
  • 43. What was the increased risk of major cardiovascular events for those who ate the most fried food in the 2021 study?
A) 2%
B) 28%
C) 3%
D) 52%
  • 44. What increased risk of coronary heart disease was associated with a high intake of fried food in 2021?
A) 2%
B) 22%
C) 3%
D) 37%
  • 45. What relation did the 2021 study conclude fried food consumption has with cardiovascular disease?
A) No relation
B) A protective relation
C) A linear dose-response 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) 37%
B) 52%
C) 28%
D) 3%
  • 47. Around what year is frying believed to have first appeared?
A) 1000 BC
B) 500 AD
C) 2500 BC
D) 1500 BC
  • 48. In which ancient civilization did frying first appear?
A) Ancient Egypt
B) Ancient Rome
C) Zhou dynasty
D) Ancient Greece
  • 49. What was one of the first foods deep fried in oil according to history?
A) Wheat bread
B) Corn tortillas
C) Tiger nut cakes
D) Potato chips
  • 50. Which chemical change takes place during the frying process?
A) Protein synthesis
B) Enzymatic browning
C) Cellulose breakdown
D) Protein denaturation
  • 51. Which of the following is another chemical change that occurs during frying?
A) Starch gelatinization
B) Lactic acid fermentation
C) Alcohol evaporation
D) Protein oxidation
  • 52. In whose tomb are depictions of workers putting small cakes in pots of oil found?
A) Egyptian Vizier Rekhmire
B) Vizier Ptahhotep
C) Pharaoh Ramses II
D) King Tutankhamun
  • 53. During which Chinese period were the Rites of Zhou and the Book of Rites written?
A) Warring States period
B) Tang dynasty
C) Han dynasty
D) Ming dynasty
  • 54. Who described pancake-like griddle cakes made with sesame seeds and fried in olive oil?
A) Galen
B) Aristotle
C) Rekhmire
D) Apicius
  • 55. In what century did the Greek cook Galen describe griddle cakes fried in olive oil?
A) 5th century AD
B) Late 2nd century AD
C) 15th century BC
D) 2500 BC
  • 56. Which Roman cookbook describes a Delian sweet?
A) Book of Rites
B) Rites of Zhou
C) Rekhmire's Tombs
D) Apicius
  • 57. What is a Delian sweet made from?
A) Sesame seed dough
B) Tiger nut flour
C) Hardened wheat paste
D) Pickled meat paste
  • 58. What is created in the food's cell walls when water vaporizes during frying?
A) Crystals
B) Pores
C) Blisters
D) Cracks
  • 59. What causes the food's starch content to soften?
A) Denaturation
B) Dehydration
C) Carbonation
D) Gelatinization
  • 60. Which type of fats are most prone to oxidation and polymerization?
A) Palmitic acid
B) Monounsaturated fats
C) Saturated fats
D) Polyunsaturated fats
  • 61. What do oxidation and polymerization of fats form that are absorbed by food?
A) Oleic acid
B) Toxic compounds
C) Vitamins
D) Monounsaturated fats
  • 62. According to the 2022 WHO review of 170 studies, what did polyunsaturated fat consumption reduce?
A) Cancer risks
B) Vitamin E content
C) Overall mortality
D) Palmitic acid levels
  • 63. Which oxidizes more quickly: unsaturated fats or saturated fats?
A) They oxidize at the same rate
B) Saturated fats
C) Neither oxidizes
D) Unsaturated fats
  • 64. What can oils with a high linolenic acid content result in when reused?
A) Explosion
B) Sweet fragrance
C) Fish-like smell
D) Foaming
  • 65. How does reusing oil affect the saturated and trans fat content in foods?
A) Removes them completely
B) Increases them
C) Decreases them
D) Has no effect
  • 66. How does reusing oil affect monounsaturated and polyunsaturated fats in foods?
A) Doubles them
B) Has no effect
C) Reduces them
D) Increases them
  • 67. How do foods fried in reused oil behave regarding oil absorption?
A) They absorb more
B) They absorb less
C) They repel oil
D) They absorb no oil
  • 68. Which type of oils are more prone to foaming?
A) Palm oil
B) Sunflower oil
C) Blended oils
D) Saturated fats
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