Nutritional Yeast Trivia Questions and Answers

bread on black round plate

1: What alternative name is often used for nutritional yeast?
A: Nooch
B: Yeasty
C: Fungi pop
D: Veggie flakes
Correct Answer: A
Explanation: Nutritional yeast is commonly referred to as “nooch.”

2: Which type of people commonly use nutritional yeast as a cheese substitute?
A: Vegans
B: Athletes
C: Paleo diet followers
D: Keto dieters
Correct Answer: A
Explanation: Vegans frequently use nutritional yeast due to its nutty or cheesy flavor as a cheese substitute.

3: How many calories are in 15 grams of nutritional yeast?
A: 25 kJ
B: 250 kJ
C: 500 kJ
D: 1000 kJ
Correct Answer: B
Explanation: A 15-gram serving of nutritional yeast provides 250 kJ (60 kcal).

4: How much protein is there in one serving of nutritional yeast (15 grams)?
A: 2 g
B: 5 g
C: 8 g
D: 10 g
Correct Answer: C
Explanation: One 15-gram serving of nutritional yeast contains 8 grams of protein.

5: What vitamin in nutritional yeast exceeds 700% of the daily value per 15 grams?
A: Vitamin A
B: Vitamin C
C: Vitamin B12
D: Vitamin D
Correct Answer: C
Explanation: Vitamin B12 in nutritional yeast exceeds 700% of the daily value per 15 grams, specifically 733%.

6: Which nutrient has 0% of the daily value in nutritional yeast?
A: Calcium
B: Iron
C: Potassium
D: Sodium
Correct Answer: A
Explanation: Nutritional yeast contains 0% of the daily value for calcium per 15 grams.

7: From where is the primary ingredient glucose in the growth medium for nutritional yeast sourced?
A: Corn syrup
B: Beet molasses
C: Cane sugar
D: Wheat starch
Correct Answer: B
Explanation: The primary ingredient glucose is often sourced from beet molasses.

8: How is nutritional yeast different from yeast extract?
A: It has live cells
B: It is water-soluble
C: It contains both soluble and insoluble parts
D: It is used in baking
Correct Answer: C
Explanation: Nutritional yeast is a whole-cell inactive yeast containing both soluble and insoluble parts, unlike yeast extract, which is made by centrifuging and concentrating the water-soluble yeast cell proteins.

9: How is nutritional yeast killed during production?
A: With chemicals
B: By freezing
C: With heat
D: Using radiation
Correct Answer: C
Explanation: Nutritional yeast is killed by heating during production before harvesting, washing, drying, and packaging.

10: What kind of yeast is commonly used in the production of nutritional yeast?
A: Candida utilis
B: Kluyveromyces lactis
C: Saccharomyces cerevisiae
D: Schizosaccharomyces pombe
Correct Answer: C
Explanation: The yeast strain commonly used in the production of nutritional yeast is Saccharomyces cerevisiae.

11: What form does nutritional yeast often come in?
A: Liquid
B: Yellow flakes
C: Capsules
D: Sprays
Correct Answer: B
Explanation: Nutritional yeast is commonly sold in the form of yellow flakes, granules, or powder.

12: What characteristic flavor does nutritional yeast have that makes it popular among vegans?
A: Spicy
B: Bitter
C: Nutty or cheesy
D: Sweet
Correct Answer: C
Explanation: Nutritional yeast has a nutty or cheesy flavor, making it popular among vegans.

13: Which vitamin cannot be produced by yeast and is usually added through fortification?
A: Vitamin C
B: Vitamin D
C: Vitamin B12
D: Vitamin E
Correct Answer: C
Explanation: Yeast cannot produce Vitamin B12; it is produced by bacteria and added to nutritional yeast as a fortification.

14: What is the major dietary fiber content in 15 grams of nutritional yeast?
A: 1 g
B: 2 g
C: 3 g
D: 4 g
Correct Answer: C
Explanation: A 15-gram serving of nutritional yeast provides 3 grams of dietary fiber.

15: In which country is nutritional yeast sometimes sold as “savoury yeast flakes”?
A: United States
B: Canada
C: Australia
D: United Kingdom
Correct Answer: C
Explanation: In Australia, nutritional yeast is sometimes sold as “savoury yeast flakes.”

16: How much potassium does a 15-gram serving of nutritional yeast provide?
A: 10 mg
B: 25 mg
C: 50 mg
D: 100 mg
Correct Answer: B
Explanation: A 15-gram serving of nutritional yeast provides 25 mg of potassium.

17: What percentage of the daily value for iron does unfortified nutritional yeast provide?
A: 0%
B: 5%
C: 10%
D: 20%
Correct Answer: B
Explanation: Unfortified nutritional yeast provides about 5% of the daily value for iron.

18: What is one of the primary reasons vegans use nutritional yeast in their diet?
A: High carb content
B: High fat content
C: Rich in B vitamins
D: Contains cholesterol
Correct Answer: C
Explanation: One of the primary reasons vegans use nutritional yeast is because it is rich in B vitamins.

19: Which method is used to produce nutritional yeast at commercial levels?
A: Spontaneous fermentation
B: Culturing in a nutrient medium
C: Genetic modification
D: Wild harvesting
Correct Answer: B
Explanation: Nutritional yeast is produced by culturing yeast in a nutrient medium for several days.

20: Which B vitamin is NOT significantly found in nutritional yeast?
A: Thiamine (B1)
B: Riboflavin (B2)
C: Niacin (B3)
D: Folic Acid (B9)
Correct Answer: D
Explanation: Folic Acid (B9) is not as significantly found in nutritional yeast compared to other B vitamins like B1, B2, and B3.

21: Which nutrient in nutritional yeast helps with maintaining healthy nerves and blood cells?
A: Vitamin A
B: Vitamin C
C: Vitamin B12
D: Vitamin D
Correct Answer: C
Explanation: Vitamin B12 in nutritional yeast is essential for maintaining healthy nerves and blood cells.

22: How many grams of sugar does nutritional yeast contain per serving?
A: 0 g
B: 1 g
C: 2 g
D: 3 g
Correct Answer: A
Explanation: Nutritional yeast contains 0 grams of sugar per 15 grams serving.

23: What is the energy content in kilocalories for a 15-gram serving of nutritional yeast?
A: 30 kcal
B: 45 kcal
C: 60 kcal
D: 75 kcal
Correct Answer: C
Explanation: A 15-gram serving of nutritional yeast contains 60 kilocalories of energy.

24: Which of the following constituents is completely absent in nutritional yeast?
A: Cholesterol
B: Dietary fiber
C: Protein
D: Fat
Correct Answer: A
Explanation: Nutritional yeast contains 0 mg of cholesterol per serving.

25: What food item is often paired with nutritional yeast as a seasoning in theaters?
A: Popcorn
B: Nachos
C: Soft pretzels
D: Hot dogs
Correct Answer: A
Explanation: Some theaters offer visitors nutritional yeast as a seasoning for popcorn.

26: What is the serving size equivalent for 15 grams of nutritional yeast?
A: 1 teaspoon
B: 1 tablespoon
C: 2 tablespoons
D: 3 tablespoons
Correct Answer: C
Explanation: 15 grams of nutritional yeast is roughly equivalent to 2 tablespoons.

27: Which mineral has the smallest daily value percentage in nutritional yeast?
A: Iron
B: Potassium
C: Sodium
D: Calcium
Correct Answer: D
Explanation: Calcium has the smallest daily value percentage (0%) in nutritional yeast per 15 grams.

28: What part of the yeast cell contributes to the umami taste in yeast extract but not in nutritional yeast?
A: Insoluble parts
B: Soluble proteins
C: Lipids
D: Carbohydrates
Correct Answer: B
Explanation: The soluble proteins in yeast extract contribute to the umami taste, whereas nutritional yeast contains both soluble and insoluble parts.

29: Which product is used to prevent vitamin deficiency among inadequately fed prisoners of war?
A: Commercial nutritional yeast
B: Home-grown yeast
C: Vitamin supplements
D: Yeast extract
Correct Answer: B
Explanation: Inadequately fed prisoners of war have used “home-grown” yeast to prevent vitamin deficiency.

30: What strain of yeast is often used for both baking and brewing?
A: Saccharomyces cerevisiae
B: Candida utilis
C: Kluyveromyces lactis
D: Schizosaccharomyces pombe
Correct Answer: A
Explanation: Saccharomyces cerevisiae is a strain of yeast often used in both baking and brewing.

31: What is the primary nutrient medium ingredient for culturing nutritional yeast?
A: Water
B: Glucose
C: Aged hops
D: Oats
Correct Answer: B
Explanation: The primary nutrient medium ingredient for culturing nutritional yeast is glucose.

32: How much fat is there in a 15-gram serving of nutritional yeast?
A: 0 g
B: 0.5 g
C: 1 g
D: 1.5 g
Correct Answer: B
Explanation: There is 0.5 grams of fat in a 15-gram serving of nutritional yeast.

33: What percentage of the daily value for riboflavin (Vitamin B2) is in a 15-gram serving of nutritional yeast?
A: 347%
B: 288%
C: 746%
D: 992%
Correct Answer: C
Explanation: A 15-gram serving of nutritional yeast contains 746% of the daily value for riboflavin (Vitamin B2).

34: What is one reason why nutritional values for nutritional yeast can vary?
A: Different processing methods
B: Regional climate
C: Yeast age
D: Manufacturer differences
Correct Answer: D
Explanation: Nutritional values for nutritional yeast vary from one manufacturer to another.

35: Which vitamin in nutritional yeast helps with metabolism and energy production?
A: Vitamin C
B: Vitamin B6
C: Vitamin D
D: Vitamin A
Correct Answer: B
Explanation: Vitamin B6 in nutritional yeast helps with metabolism and energy production.

36: What essential component does a complete protein provide that nutritional yeast contains?
A: Fatty acids
B: Enzymes
C: Amino acids
D: Minerals
Correct Answer: C
Explanation: Nutritional yeast is a complete protein, providing all nine essential amino acids that the human body cannot produce.

37: Which country relies on nutritional yeast for vegan cheese substitutes?
A: United States
B: Germany
C: Japan
D: India
Correct Answer: A
Explanation: Nutritional yeast is relied upon in the United States for vegan cheese substitutes.

38: How many amino acids necessary for protein synthesis can the human body not produce and are found in nutritional yeast?
A: 5
B: 7
C: 9
D: 12
Correct Answer: C
Explanation: The human body cannot produce nine essential amino acids, which are all found in nutritional yeast.

39: What is the common fortifying agent added to nutritional yeast for additional nutritional benefit?
A: Vitamin D
B: Vitamin E
C: Vitamin B12
D: Vitamin C
Correct Answer: C
Explanation: Vitamin B12, often produced separately and added to the yeast, is a common fortifying agent.

40: What is the soluble part of yeast cells that gets concentrated in yeast extract for flavor enhancement?
A: Cellulose
B: Lipids
C: Water-soluble proteins
D: Starch
Correct Answer: C
Explanation: Water-soluble yeast cell proteins are concentrated in yeast extract to enhance flavor.

41: Which yeast strain is modified for desirable characteristics in nutritional yeast production?
A: Saccharomyces cerevisiae
B: Candida utilis
C: Pichia pastoris
D: Rhodotorula
Correct Answer: A
Explanation: Strains of Saccharomyces cerevisiae are modified for desirable characteristics in nutritional yeast production.

42: What makes nutritional yeast appealing for individuals following a plant-based diet?
A: It is sugar-free
B: It provides high amounts of protein and B vitamins
C: It is gluten-free
D: It has a long shelf life
Correct Answer: B
Explanation: Nutritional yeast is appealing to individuals following a plant-based diet due to its high protein content and abundance of B vitamins.

43: Which nutrient quantity in nutritional yeast makes it a significant source for vegans?
A: High calcium content
B: High vitamin B12 content
C: High omega-3 content
D: High vitamin D content
Correct Answer: B
Explanation: Nutritional yeast is a significant source of Vitamin B12, making it popular among vegans.

44: In what form is nutritional yeast commonly found in natural food stores?
A: Liquid
B: Yellow flakes, granules, or powder
C: Capsules
D: Brown loaf
Correct Answer: B
Explanation: Nutritional yeast is commonly found in natural food stores in the form of yellow flakes, granules, or powder.

45: By which method do commercial producers often kill yeast during the production of nutritional yeast?
A: Freeze-drying
B: Heat treatment
C: Chemical treatment
D: Dehydration
Correct Answer: B
Explanation: Commercial producers often use heat treatment to kill yeast during the production of nutritional yeast.

46: For how many days is yeast cultured in a nutrient medium to produce nutritional yeast?
A: One day
B: Several days
C: A week
D: A month
Correct Answer: B
Explanation: Yeast is cultured in a nutrient medium for several days to produce nutritional yeast.

47: Which macronutrient content in nutritional yeast makes it a popular ingredient among health enthusiasts?
A: High carbohydrate content
B: High protein content
C: High fat content
D: High fiber content
Correct Answer: B
Explanation: Nutritional yeast’s high protein content makes it popular among health enthusiasts.

48: In nutritional yeast production, what are common sources of glucose used for culturing yeast?
A: Corn syrup or honey
B: Sugar cane or beet molasses
C: Rice syrup or agave
D: Milk sugar or lactose
Correct Answer: B
Explanation: Common sources of glucose for culturing yeast in nutritional yeast production include sugar cane or beet molasses.

49: What flavor is nutritional yeast often described as having?
A: Fruity
B: Nutty or cheesy
C: Bitter
D: Spicy
Correct Answer: B
Explanation: Nutritional yeast is often described as having a nutty or cheesy flavor.

50: What alternative ingredient do vegans use nutritional yeast for in mashed and fried potatoes or scrambled tofu?
A: Butter
B: Cheese
C: Eggs
D: Cream
Correct Answer: B
Explanation: Vegans often use nutritional yeast as an alternative to cheese in mashed and fried potatoes or scrambled tofu.

51: What is an important characteristic of the Saccharomyces cerevisiae strain used in nutritional yeast that differentiates it from baking or brewing yeast?
A: It has live cells
B: It is a different phenotype
C: It ferments faster
D: It has a milder flavor
Correct Answer: B
Explanation: The Saccharomyces cerevisiae strain used in nutritional yeast often exhibits a different phenotype compared to those used in baking or brewing.

52: Which nutrient in nutritional yeast helps support immune function and energy production?
A: Vitamin A
B: Vitamin C
C: Iron
D: Vitamin B6
Correct Answer: D
Explanation: Vitamin B6 in nutritional yeast helps support immune function and energy production.

53: What component is added to some brands of nutritional yeast to make them a good source of Vitamin B12?
A: Cyanocobalamin
B: Folic acid
C: Ascorbic acid
D: Riboflavin
Correct Answer: A
Explanation: Cyanocobalamin is commonly added to fortified nutritional yeast to make it a good source of Vitamin B12.

54: Which food preparation method uses yeast extract to impart an umami taste that nutritional yeast alone cannot provide?
A: Brewing beer
B: Making bread
C: Flavoring soups
D: Fermenting vegetables
Correct Answer: C
Explanation: Yeast extract, rich in umami compounds, is often used for flavoring soups where nutritional yeast alone cannot provide the same taste.

55: How many carbohydrates does a serving of nutritional yeast typically contain?
A: 2 g
B: 3 g
C: 5 g
D: 7 g
Correct Answer: C
Explanation: A serving of nutritional yeast typically contains 5 grams of carbohydrates.

56: What is a notable umami compound found in yeast extract but not in the same quantity in nutritional yeast?
A: Glutamic acid
B: Lactic acid
C: Citric acid
D: Malic acid
Correct Answer: A
Explanation: Glutamic acid is a notable umami compound found in significant quantities in yeast extract.

57: Which nutrient provides a substantial percentage DV in both fortified and unfortified nutritional yeast but is significantly higher in fortified versions?
A: Iron
B: Vitamin B12
C: Vitamin C
D: Calcium
Correct Answer: B
Explanation: Vitamin B12 is provided at significantly higher levels in fortified nutritional yeast compared to unfortified versions.

58: What is the purpose of adding Vitamin B12 to some brands of nutritional yeast?
A: To enhance flavor
B: To increase protein content
C: To provide a source of B12 for vegans
D: To thicken the product
Correct Answer: C
Explanation: Vitamin B12 is added to some brands of nutritional yeast to provide a crucial nutrient often missing from vegan diets.

59: Which form of nutritional yeast is commonly found in the bulk aisles of natural food stores?
A: Liquid concentrate
B: Yellow flakes
C: Chewable tablets
D: Powdered extract
Correct Answer: B
Explanation: Yellow flakes of nutritional yeast are commonly found in the bulk aisles of natural food stores.

60: A serving of nutritional yeast provides what percentage of the recommended daily value for niacin (Vitamin B3)?
A: 188%
B: 288%
C: 488%
D: 588%
Correct Answer: B
Explanation: A serving of nutritional yeast provides 288% of the recommended daily value for niacin (Vitamin B3).

Disclaimer: Please consult a physician before making any changes to your health regimen.

What is the best quiz for you business?

Quizzes are super effective for lead generation and selling products. Find the best quiz for your business by answering a few questions.

Take the quiz