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87 True/False questions

  1. What 3 dissolved gasses are commonly found in wine?1. Oxygen
    2. Carbon Dioxide
    3. Sulfites

          

  2. What phenolic compound group is the yellow pigment in wine?Anthocyanins

          

  3. Ethanol is also called?Ethyl Alcohol

          

  4. What is the most common type of Aldehydes?Acetaldehydes

          

  5. What phenolic compound group is astringent or bitter?Flavones and Flavonols

          

  6. Which acid is sharp, slightly bitter, and slightly salty?Citric Acid which is also natural in minute quantities

          

  7. Which acid has a buttery aroma?Lactic Acid

          

  8. Sulfites are based on what element?Sulfur

          

  9. Name the 3 main acids in wine that originate from grapes?1. Tartar Acid
    2. Malic Acid
    3. Citric Acid

          

  10. Lactic Acid is created through Malolactic Fermentation from what other acid?Malic Acid

          

  11. Which acid tastes like green apples?Malic Acid

          

  12. Name 2 main styles of Red Wine?

    From Wikipedia
    1. Dry Red
    2. Sweet Red

          

  13. Tartar acid at low temps will form what?White Diamonds

          

  14. What is the most common Ester?Acetaldehydes

          

  15. What acid can be create by either bacteria or through a chemical reaction between alcohol and oxygen?Acetic Acid

          

  16. The U.S. must label the amount of sulfates in wine if the amount is greater than?10 ppm

          

  17. Most phenolic compounds are from what 2 parts of the grape?1. Skins
    2. Seeds
    3. Stems

          

  18. Which acid is a minor component of grapes and can be a by-product of fermentation?Succinic Acid

          

  19. What Ester in low amounts smells flowery or fruity?wine

          

  20. What is another name for sweet Fortified Wines?

    from Wikipedia
    1. Red Fortified
    2. White Fortified

          

  21. How can White Diamonds be removed?Methyl Alcohol

          

  22. Methanol is also called?Methyl Alcohol

          

  23. Name a common antioxidant added to wine?Sulfites

          

  24. What phenolic compound group is the backbone of big reds?Tannins

          

  25. What is the typical percentage of sugar in grapes at harvest?15% to 28%

          

  26. Which acid is sometimes added to low quality wines?Malic Acid

          

  27. Name the two types of Monosaccharides?1. Glucose
    2. Fructose

          

  28. Which wine acid is more common in Vinegar?Acetic Acid

          

  29. What does Malolactic Fermentation do to Malic Acid?wine

          

  30. What are the 2 major types of wine?Ethyl Acetate

          

  31. Name 2 main types of Fortified Wine?

    from Wikipedia
    1. Dry Red
    2. Sweet Red

          

  32. What produces the tears or legs in a glass of wine after the wine is swirled?15% to 28%

          

  33. What happens to Tannins and pigments when they polymerize?Polymerize

          

  34. Define assuage.Make something less intense

          

  35. Name 2 main styles of White Wine?

    from Wikipedia
    1. Red Fortified
    2. White Fortified

          

  36. Name 2 common methods to describe the amount of acid in wines?Sulfites

          

  37. Tannins in wine are from what 3 parts of the grape?1. Skins
    2. Seeds

          

  38. What component of wine can have a major impact in minute quantities?Phenolic compounds

          

  39. Acids are what percent by volume in most wines?0.5% to 0.75%

          

  40. Which acid can get so high in concentration that the wine can become undrinkable?Malic Acid

          

  41. What dissolved gas is in the bubbles of sparkling wines?Carbon Dioxide

          

  42. What Ester in high amounts smells like nail polish?Ethyl Acetate

          

  43. What phenolic compound group causes a drying sensation in the mouth?Tannins

          

  44. What phenolic compound group is the red pigment in wine?Anthocyanins

          

  45. Name 5 main types of wine?

    From Wikipedia
    1. Red Wine
    2. White Wine
    3. Rose Wine
    4. Sparkling Wine
    5. Fortified Wine

          

  46. Name 5 phenolic compound groups?1. Anthocyanins
    2. Favones and Flavonols
    3. Tannins
    4. Vanillin
    5. Resveratrol

          

  47. What 2 phenolic compound groups are also found in Oak?Flavones and Flavonols

          

  48. Overtime Tannins and pigments can?Tartaric Acid

          

  49. What is the fermented product of grapes?Tartaric Acid

          

  50. All 5 types of wines can be made with 3 main levels of sweetness, what is another term for level of sweetness?

    From Wikipedia
    wine making style

          

  51. Which acid is more common in grapes grown in cool climates?Citric Acid which is also natural in minute quantities

          

  52. What can be added to a wine before selling that is determined by the amount of acid measured in the wine?1. Total Acidity
    2. pH

          

  53. Simple sugars are also called?Methyl Alcohol

          

  54. Name the 4 main alcohols in wine?1. Ethyl Alcohol also called Ethanol
    2. Glycerol
    3. Methyl Alcohol also called Methanol
    4. Fusel Alcohols also called Higher Alcohols

          

  55. Which wine acid is most volatile?Lactic Acid

          

  56. Oxidized alcohol forms what?Aldehydes

          

  57. Between water and alcohol, which is heavier?Alcohol

          

  58. Name an important preservative in wine?Tartaric Acid

          

  59. Wines with less sugar are considered?Dryer

          

  60. What phenolic compound group deepens in color with increased acidity?Anthocyanins

          

  61. Name the 3 main acids in wine that are created through fermentation?1. Malic Acid
    2. Lactic Acid

          

  62. What sometimes can appear at the bottom of a wine bottle and will not redissolve?White Diamonds

          

  63. Name 2 main styles of Rose Wine?

    from Wikipedia
    1. Dry Red
    2. Sweet Red

          

  64. Between 2.9 and 3.9, which is the stronger acid?Acetobactor Bacteria

          

  65. Ethyl Acetate is form by what 2 components?Sulfur

          

  66. What type of organism is used in the fermentation of grapes to make wine?10% to 15%

          

  67. Name the strongest acid in wines?Tartaric Acid

          

  68. What 2 acids are involved in Malolactic Fermentation?Lactic Acid Bacteria

          

  69. What are the 3 main levels of sweetness that the 5 main types of wine can be made?

    From Wikipedia
    1. Lactic Acid
    2. Acetic Acid
    3. Succinic Acid

          

  70. Which phenolic compound is more aromatic?Tannins

          

  71. More sunlight increases which phenolic compound group?1. Anthocyanins
    2. Favones and Flavonols
    3. Tannins
    4. Vanillin
    5. Resveratrol

          

  72. What is the process called when molecules combine forming longer chains?Polymerization

          

  73. Which phenolic compound group is also a preservative?Tannins

          

  74. Name the bacteria that creates Acetic acid?1. Ethyl Alcohol also called Ethanol
    2. Glycerol
    3. Methyl Alcohol also called Methanol
    4. Fusel Alcohols also called Higher Alcohols

          

  75. What sometimes can appear at the bottom in a wine bottle but is not considered a defect?White Diamonds

          

  76. Name the bacteria involved with Malolactic Fermentation?Lactic Acid Bacteria

          

  77. What is the largest group of odoriferous compounds?Esters

          

  78. What type of organism makes Acetic Acid?1. Red
    2. White

          

  79. Name 3 main types of Sparkling Wine?

    from Wikipedia
    1. Red Fortified
    2. White Fortified

          

  80. Which phenolic compound may have beneficial health effects?Vanillin

          

  81. Dessert wines can have sugar levels up to what percentage?18%

          

  82. Which acid is created through Malolactic Fermentation?Lactic Acid

          

  83. Acetic Acid is more common which type of wine?Red wines

          

  84. What dissolved gas can be both beneficial and damaging?1. Oxygen
    2. Carbon Dioxide
    3. Sulfites

          

  85. Name the most common antibacterial agent in wine?Sulfites

          

  86. What normally is the percentage of alcohol in wines?wine

          

  87. What are 3 other names for Phenolic compounds?Esters