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Test your basic knowledge |
Wine Production 101
Start Test
Study First
Subjects
:
hospitality
,
industries
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Botrytis can penetrate...
Grassy character
Vine's microclimate
A Burgundian-style wine
An intact grape skin
2. The term for drawing off the cuvee with its yeast - sugar - and nutrients into bottles for the second fermentation is...
Racking
Sweet before dry
Surface
Tirage
3. During red wine fermentation the ______ on the fermenting must be kept wet by 'punching down' or 'pumping over' in order to prevent growth of undesirable microorganisms and to promote ______ from the skins.
Quercus Suber
Cap - extraction
Tobacco - coffee - chocolate - soy
Charmat
4. Winemakers taste the fortifying alcohol and match it to the wine being made because...
Hold the wine against a white background
Because those procedures minimize tannin extraction as well
Wine spirits can vary in their flavors depending on the starting wine and the method of distillation - and those flavors need to be compatible with the wine being fortified
False. Many organic growers use pesticides.
5. Removing leaves from around grape clusters
Varietal wines
Decreases grape rots - lowers grape potassium - lowers grape pH
12-18
Warm - dry
6. Winetasters begin the olfactory stage of evaluating a wine by swirling the wine in the glass for 6 or 8 quick revolutions and putting their noses into the glass and taking 4 or 5 quick - deep sniffs.
False. Winetasters begin the olfactory stage of evaluating a wine by sniffing the wine without swirling and swirl 1-2 revolutions and sniff 2-3 times in the second stage.
Pleases him or her
Alcohol solution
Quality will be lower
7. A successful Botrytis infection - from the point of view of the winemakers - if not the mold - is one in which the disease cycle is interrupted before the berries are broken and...
Shoots that grew in summer are termed canes after they lose their leaves in winter.
Secondary infections develop
100
Chardonnay and Pinot Blanc
8. The term 'champagne' may be used on the label for a wine made in any part of France as long as the precise steps that are prescribed by the French law for the methode champenoise process are followed.
Regions II and III
On the tongue's top surface
Perception of the wines' acidity
False. Champagne may only be used for wines produced in the Champagne district of France.
9. How would a wine be aged in barrels to minimize its exposure to air?
Hydrometers
The barrels would be sealed tight - rotated 30 degrees to wet the bung and tighten the seal - and not opened until the aging was complete.
Tiny malolactic bacteria
Transfer
10. ___________________ is the theory that increased node number per vine - but with little change in nodes per meter of row - devigorates the vine.
True
Big Vine Theory
Canopy curtain
Varietal wines
11. In wine usage - ______ refers to the odors which come from the grape and ______ is used for smells that come from fermentation and aging in oak and bottle.
Decreases grape rots - lowers grape potassium - lowers grape pH
False. Both total acid concentration and acid strength decrease.
Aroma - Bouquet
The Muscats
12. If canopy heigh remains constant - then increasing between-row spacing
Less tart
Smaller barrels
If the sulfur remains on the grape - it will be reduced during fermentation to stinky hydrogen sulfide
Decreases light interception by the vineyard
13. What winemaking steps would you use to make a Sauvignon Blanc without grassiness?
Because the CO2 rising from the wine carries volatile odor components out of the wine and into the air.
Sugar and acid composition
Hold the wine against a white background
Harvest at 22 degrees Brix or above - no skin contact - ferment in barrels and at warmer temperatures - age in oak sur lie - and blend with S
14. The amount of sugar in grape juice is estimated by measuring its density in units called 'degrees Brix -' which correspond to the...
Tiny malolactic bacteria
Percentage by weight of sugar in the juice
Dosage
Another indication of the increased fermentation activity of the yeasts in addition to the rapid drop in degrees Brix is the warming of the fermenting juice.
15. You should wait 6-9 months after the yeast removal and sugar addition steps to drink methode champenoise wines. This period is recommended to allow the added sugar to become integrated into the wine.
Carbonic Maceration
Transfer
Blanc de Blancs - Blanc de Noirs.
True
16. Botrytis-affected wines from ________ are more likely to be aged in small oak barrels.
Olfactory epithelium
A sampling of bottle-fermented sparkling wines
Grassy character
Sauvignon Blanc and Semillon
17. When is a wine 'dead'?
Neutral
When off odors - particularly the acetaldehyde odor of oxidation - predominate.
When photographed - about 40 percent of the canopy surface of a thin canopy appears as light patches. The value is much lower with thick canopies. Also - the leaf layer number of thin canopies is 1.5 or lower.
Merlot
18. Sensory stimuli in wine can also be...
Exists above the vineyard
Merlot
Thermal
Taste adaptation
19. You have been hired by Ch
Distinctive flavor compounds in its grapes
Approximate drinkability
Fewer vegetative and herbaceous odors
12-18
20. A Brut sparkling wine made by the methode champenoise will probably ___________ than a Brut Charmat Process wine as Charmat is sweeter.
Bottling dates
Be drier
To be tasted a solid substance must be dissolved in the saliva. Without saliva to dissolve the substances that produce taste stimuli - we could only experience touch sensations with our mouth.
Sensitivity
21. The juice of Zinfandel and most other red wine grapes is...
Sweet (taste) - hot (tactile)
Must
Malolactic fermentation
Colorless
22. What sensation would you expect in your mouth when the stimulus tannin in the wine is low or absent?
Cold stabilization
Racking
Smooth
Decreases light interception by the vineyard
23. Upright shoots grow faster than...
Asti Spumante
In addition to reducing acidity - the MLF causes other organoleptic changes: it produces gas and causes the wines to be less fruity and to have transient cheesy off odors - but it also allows them to develop greater complexity - including a buttery f
Perpendicular
Pendant ones
24. ____________ are made mainly from a single variety of grapes that should impart a characteristic aroma and flavor to the wine.
Varietal wines
It's the passageway from the rear of the mouth and rear nasal passages to the olfactory epithelium.
Aroma - Bouquet
Blended
25. For ordinary fortified wines hot growing regions are beneficial for both high vineyard yields and...
High sugar content grapes
The limited number of shoots do not compete for stored sugars - light - water - and mineral resources - so shoot growth is not restricted by shortages of these resources.
Cardiovascular mortality
Sugar and acid composition
26. How is the evaluation of color and clarity modified for red wines?
Body
Irrigation
One-half month to 48 months
You tilt the glass so that you can look through a thinner layer of wine
27. Sterile filtration followed by aseptic bottling are key strategies in creating...
Less fertilization
To be tasted a solid substance must be dissolved in the saliva. Without saliva to dissolve the substances that produce taste stimuli - we could only experience touch sensations with our mouth.
Microbiological stability
Warm - dry
28. The bottle shape and color are chosen for a particular wine based on the traditional shapes and colors used in the European wine. __________ are often used for Sauvignon Blanc and S
Rainfall
Microbiological stability
Limousin forest
Clear Bordeaux bottles
29. When is the mechanism of taste dependent on saliva?
Vintage-dated varietal
To be tasted a solid substance must be dissolved in the saliva. Without saliva to dissolve the substances that produce taste stimuli - we could only experience touch sensations with our mouth.
On the tongue's top surface
Shoots that grew in summer are termed canes after they lose their leaves in winter.
30. The wine type refers to a winemaker's characteristic way of combining and balancing the sensory features that distinguish a particular wine to create an individualistic expression of that wine.
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31. Giving an odor a _____________- such as our associations with the odor and dictionary-style definitions - enhances our ability to recall its name.
Verbal structure
If you were quoting Chapter 3 directly - you would say - 'in some cases - most commonly for Chardonnay - the winemaker may want to add a yeast character similar to champagne bouquet to the wine and will allow the wine to remain in contact with the ye
Rootstocks
An intact grape skin
32. The mixture of skins - seeds - stems - juice - and pulp produced when the skin of the grape is broken and the juice flows out is called
Must
Premium winegrape vineyards
Sensitivity
Reduced
33. Why has oak become the traditional aging container for wines?
Olfactory sensitivity
The total acid content increases.
Oak has become the traditional wood for aging premium wines because the trees are large enough to make wine containers of useful sizes - the wood is tight-grained - strong - and resilient and can be worked into the curved shapes needed for barrels -
Crop-bearing shoots
34. Explain why the shoots on a severely pruned vine tend to grow very long
Older - typically hillside soils with a higher percentage of gravel and less ability to hold water were correlated with smaller crops and fruiter wine flavors.
Black pepper
The limited number of shoots do not compete for stored sugars - light - water - and mineral resources - so shoot growth is not restricted by shortages of these resources.
Smooth
35. About ______ the fruit for dessert wine production goes to produce the alcohol for fortification - making the per ton yield of finished wine __________ gallons.
Half; 75-110
Olfactory epithelium
Conventional - yeast-catalyzed alcoholic fermentation
Sniffs
36. It is critical for winemakers to control the _____________ to be sure that it is completed before bottling.
Thermal
Timing of the MLF
Vine size
Three
37. The _________ is better because it comes from inside the grapes where the carbonic maceration occurred.
Intense fruit aromas
1. color - sugar - acidity - varietal aroma and flavor; 2. alcohol and carbon dioxide; 3. malolactic fermentation and/or oak barrel and/or sur lie-aging flavors
Press juice
Pendant ones
38. A typical disease cycle of Botrytis begins with the germination of spores that have overwintered in ______ following ______ and can produce shoots and leaves that look like they have been scorched.
Darker colors
Plant debris; spring rain
New World vineyards
Cardiovascular mortality
39. Which wine component protects red wines during the longer aging periods that allow them to develop complex bouquets?
Canopy dimensions
Tannins
Climate.
When off odors - particularly the acetaldehyde odor of oxidation - predominate.
40. The estimates suggest we can learn about 1000 odors. _____ has about 200 odors.
Prise de mousse
Wine
Three things happen: alcohol and water evaporate through the sides of the container - concentrating the wine; some oxygen dissolves in the wine - allowing oxygen-dependent maturation reactions to occur slowly; and substances - color - odor - and flav
Merlot
41. What textures should you expect in a young port and an old port?
Racking
Without perceptible sweetness and with an aroma which has an element that is like roses
A young port - or young red table wine for that matter - should be astringent because it possesses tannins for longevity and an older wine should be velvety smooth because the tannins have polymerized - softening the texture and forming a sediment.
Because they will age through one or two winters at the winery before bottling the cooling that occurs will often cause tartrate crystals to precipitate and tannins will react with and remove the heat-unstable proteins.
42. Used to estimate degrees Brix of a properly collected vineyard sample and can also be used to measure the disappearance of sugars during fermentation.
Water evaporation
wine aroma wheel
Decreases light interception by the vineyard
Hydrometers
43. PTC tasting is a well-documented example of how dramatically people can vary in their ability to taste something bitter and it accurately predicts a person's sensitivity to bitterness in wines.
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44. Because nearly all white table wines are valued principally for their youthful - fruity characteristics - the vast majority of white wines are aged in neutral containers only for as long as it takes to clarify and stabilize them. Only a tiny minority
Aging in oak containers
Brown
Resist spoilage
A sampling of bottle-fermented sparkling wines
45. If you come upon a group of winetasters uttering the descriptive terms 'fresh bread - sour cream - burnt chocolate - cocoa - hazlenut - and toasted grains - these terms describe the champagne's bouquet and you've more likely come upon...
A sampling of bottle-fermented sparkling wines
Methode champenoise
15-18
A Burgundian-style wine
46. Sadly - all wines will improve ____________ and then deteriorate - except for the publicity that they can bring their buyers.
Only up to a certain point
Monoterpenes
Disgorging - trap the yeast - riddling
Black pepper
47. Wines of 2-3% residual sugar can be made by slowing down their fermentations before all the sugar has been used up by chilling them at about 4-8 degrees Brix and then centrifuging to remove the...
Cold-inactivated yeast
Sugars
The degrees Brix does not drop because at this stage; while the yeast cells are metabolizing with the aid of the dissolved oxygen in the grape juice and increasing in number - they have not consumed enough glucose to change the density of the juice.
Tannins
48. Imported sparkling wine makes up about ______% of the U.S. market.
False. Champagne may only be used for wines produced in the Champagne district of France.
False. PTC tasting does not predict a person's sensitivity to bitterness in wines.
29
White Zinfandel
49. What sensory change would you not expect as a fine bottle of Cabernet Sauvignon ages?
The total acid content increases.
Alcohol solution
Wild yeasts
Vine size
50. The malolactic fermentation reduces the acidity in the fermenting grape juice and finished wine because it converts the malic acid from the grape juice to lactic acid - which is...
Tasting situation
Port
About 10 to 20 - if they are well exposed to sunlight.
Less tart