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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. Why does the degrees Brix not drop much during the early stages of a white wine fermentation?
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.
Blanc de Blancs - Blanc de Noirs.
About 50% of people
Transfer
2. Although some ___________ sparkling (and still) wines are a very pale yellow - many are appreciated for their light bronze - peach - or salmon colors.
Blanc de Noirs
Cloudy
50% as intense as full sunlight on a clear summer day
On cool nights the grapes need less energy and use up less malic acid. Locations with cooler nighttime temperatures produce fruit that is higher in malic acid than that produced in sites where it stays warm all night.
3. An example of a sparkling wine made up by trapping the CO2 from only one alcoholic fermentation is...
On the tongue's top surface
Microbiological stability
Asti Spumante
Riddling
4. The yield of juice per ton is ________ to 75-90 gallons per ton.
Shorter - hotter - messier - more labor-intensive - more likely to occur in an open-topped tank - less likely to happen in a barrel
Different clones
Perception of the wines' acidity
Reduced
5. Upright shoots grow faster than...
Portugese grape varieties
Pendant ones
Sweeter
Flat
6. Removing leaves from around grape clusters
Recognition Threshold
Port
Less tart
Decreases grape rots - lowers grape potassium - lowers grape pH
7. Even though higher sugars can be obtained - __________ between 35 and 45 degrees Brix are optimal for well-balanced wines.
True
T
Canopy thickness
Harvest sugars
8. 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.
Chardonnay
For two reasons: 1. The high alcohol content of wine spirits can interfere with a winemaker's odor perception. 2. Diluting a solution that has a high concentration of alcohol changes the spectrum of perceptible odors. The spirits will be diluted in t
Stronger acidity
Plant debris; spring rain
9. The flavors of this group of fortified dessert wines are closest to those of their grapes: ______________.
Some exposure to air
The Muscats
Stuck fermentation
3-5
10. 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
Canopy curtain
Serious wine tasters
Clear Bordeaux bottles
Pleases him or her
11. Mild cheeses such as baby swiss are enjoyed with wines because they reduce the...
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12. Winetasters draw some air through the wine so that all their taste buds can come into contact with the wine and the tactile receptors in their mouths can sense its sweetness and tartness
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13. __________ close in strong winds and carbon dioxide - which is essential for photosynthesis - cannot enter the leaf.
Management of the extraction during fermentation
Leaf pores
False. From 10 to 100 percent of the juice will be sprayed over the cap one to three times a day.
A Burgundian-style wine
14. To inspect wine for a color - hold it up to a bright source of light such as a clear light bulb or candle.
Sauvignon Blanc
Thermal
Distinctive flavor compounds in its grapes
False. To inspect a wine for color - hold it up to a white background.
15. If growers maximize light interception - the vine canopies will be thick and shady and grape yields and...
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.
Quality will be lower
Stuck fermentation
Discorging
16. Which variety is blended with Cabernet Sauvignon to 'soften' its tannins?
Merlot
Hold the wine against a white background
Three
Pinot Noir
17. Under appearance - the bubble display of _______________ is evaluated and tasters look for small bubbles that evolve from the wine over a long time and form a smooth - white foam on the surface of the wine.
Table wines
Sniffs
Sparkling wines
False. Many organic growers use pesticides.
18. On average - the overall process of making ______________ takes longer than the overall process of making white wines.
Sweet before dry
Red wines from grape to bottle
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
Recognition Threshold
19. Most ______________ sparkling wines are best if drunk within 2-3 years after they are released.
Methode champenoise
Sensitivity
Management of the extraction during fermentation
Reserve wines are blends of still wines from previous vintages which are added to cuv
20. ______________ is a widely-occurring destructive disease organism that can attack grapevines and many other plants.
False. Many organic growers use pesticides.
Wine spirits
You tilt the glass so that you can look through a thinner layer of wine
Botrytis cinerea
21. Refer to the label De Loach Vineyards Estate Bottled Russian River Valley Gew
Tirage
Microbiological stability
A vineyardist can determine leaf layer number - the measure of canopy 'thickness' - by randomly selecting a number of sites at fruit cluster height along the vine row - pushing a rod through the canopy curtain at each site - and recording the number
About 50% of people
22. The date that bottles in the case were filled is stamped on the box. This is useful for estimating the _________ of wines without vintage dates.
High sugar content grapes
Approximate drinkability
Conventional - yeast-catalyzed alcoholic fermentation
Tobacco - coffee - chocolate - soy
23. The most prestigious wine of a sparkling wine producer may be called ______.
Management of the extraction during fermentation
Dom Perignon - 1668-1715
Canopy curtain
T
24. Used to estimate degrees Brix of a properly collected vineyard sample and can also be used to measure the disappearance of sugars during fermentation.
Microbiological stability
Hydrometers
wine aroma wheel
60-95
25. A key factor that separates premium white grape vineyards from mediocre vineyards is...
Canopy dimensions
Bitterness
Botrytis infection
Stronger acidity
26. The weakening of acid strength during ripening is more important for wine quality than is the decrease in the total amount of acid - because wines with stronger acid strengths have brighter colors - require smaller amounts of sulfur dioxide to protec
Resist spoilage
When off odors - particularly the acetaldehyde odor of oxidation - predominate.
Gew
Pomace
27. ________________ is designed to prevent cloudiness as well and also to avoid undesirable changes other than off odor and flavor such as drop in the acidity of a hot-region wine. It is also very (more - actually) important to prevent changes in the bo
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
80-90 degrees F
Microbiological stability
Sauvignon Blanc and Semillon
28. If water keeps flowing over the ice - the ice will remain at 32 degrees F and the...
Grape shoot will be uninjured
Leaf pores
Sulfite-sensitive - steroid-dependent asthmatics
Swirling makes the dissolved CO2 leave the wine prematurely and makes a proper evaluation of the bubble display and mousse impossible.
29. California wineries age their red wines ________ months in the bottle before releasing them.
Shoots that grew in summer are termed canes after they lose their leaves in winter.
One-half month to 48 months
Perceptible varietal aromas
Cardiovascular mortality
30. The most important step in red wine production for determining the style of a wine.
False. Style refers to a winemaker's characteristic way of combining and balancing the sensory features.
Different clones
Management of the extraction during fermentation
For two reasons: 1. The high alcohol content of wine spirits can interfere with a winemaker's odor perception. 2. Diluting a solution that has a high concentration of alcohol changes the spectrum of perceptible odors. The spirits will be diluted in t
31. Because their detection and prevention is of central concern to winemakers - a very large number of off odors have been linked to particular diagnostic chemicals - such as acetic acid and ethyl acetate - which can be found by laboratory as well as se
Tirage
One place
True
Inhaled air
32. A cuvee blended from white grapes only is called ______ and if only red grapes are used - it is ______.
Vanilla
Blanc de Blancs - Blanc de Noirs.
Limousin forest
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 -
33. In general - the results of canopy management studies for Cabernet Sauvignon have shown results like those for...
Nodes
Sauvignon Blanc
Sit for several hours
22.9 degrees Brix - .80 total acid
34. What sensory change would you not expect as a fine bottle of Cabernet Sauvignon ages?
One of the most effective ways to prevent alcohol abuse
Prise de mousse
The total acid content increases.
One-half month to 48 months
35. 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...
False. Style refers to a winemaker's characteristic way of combining and balancing the sensory features.
Cold-inactivated yeast
A vineyardist can determine leaf layer number - the measure of canopy 'thickness' - by randomly selecting a number of sites at fruit cluster height along the vine row - pushing a rod through the canopy curtain at each site - and recording the number
Wineries do not use these slower - 'natural' methods because the wine would be too old for contemporary tastes by the time it reached the market.
36. About one in ten of 10% of women who are active alcoholics during pregnancy will deliver a child who clearly suffers from...
Less fertilization
Sweeter
Aroma - Bouquet
FAS
37. When are grape plants most resistant to low temperatures?
Conventional - yeast-catalyzed alcoholic fermentation
The astringency from tannins seems to get stronger with each sip and that tires the palate. If tasters wait 40 seconds or more between sip the effect is lessened.
Shorter. They have 1-4 or 5 nodes while canes have 8 or more nodes.
When they are dormant.
38. The maximum _____________ of our sense of smell has been estimated at one part per million to several parts per trillion.
Varietal character
Discorging
Plant debris; spring rain
Sensitivity
39. The National Geographic Smell Survey found that _______________is reduced during pregnancy and that odor perception declines during aging.
Olfactory sensitivity
Microbiological stability
Rootstocks
Less tart
40. The amount of sugar in grape juice is estimated by measuring its density in units called 'degrees Brix -' which correspond to the...
Grape shoot will be uninjured
Asti Spumante
Percentage by weight of sugar in the juice
Low lying areas
41. The alcoholic fermentation in red wine production is _________________ than for white wine production.
Limousin forest
Transfer
Fewer vegetative and herbaceous odors
Shorter - hotter - messier - more labor-intensive - more likely to occur in an open-topped tank - less likely to happen in a barrel
42. About how many leaves does a shoot need to mature its grape clusters?
Shorter - hotter - messier - more labor-intensive - more likely to occur in an open-topped tank - less likely to happen in a barrel
wine aroma wheel
About 10 to 20 - if they are well exposed to sunlight.
Riddling
43. What is photosynthesis?
Different clones
The use of solar energy to snythesize sugar from carbon dioxide and water.
Hedonic quality
Nitrogen fertilizer
44. Weather refers to the...
On the tongue's top surface
A taste modifier
Climate.
Colors
45. According to the legend - the methode champenoise was discovered by ______ sometime during the period ______to______.
Stronger acidity
Olfactory sensitivity
Must
Dom Perignon - 1668-1715
46. ________________ is important to avoid accelerated bubble dissipation while tasting sparkling wines.
Scrupulous rinsing of glasses
The priesthood and of the wealthy
Softer tannins
Blended
47. _____________ are fortified before oxidation and their sugar content is adjusted afterwards.
Racking
Sherries
Decreases grape rots - lowers grape potassium - lowers grape pH
Chardonnay and Pinot Blanc
48. Demographic studies have shown that wine drinkers are better educated and earn more than...
Oloroso
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.
The Muscats
Non-wine drinkers
49. This winemaking step ideally involves only breaking the skins of the grape berries to allow the juice to flow out without any damage to the seeds or stems.
Percentage by weight of sugar in the juice
Crushing
Greater complexity - harmony - and the power to stimulate the emotions
Water evaporation
50. Leaving more nodes will increase the number of _____________ the following year - and the increased competition for resources among the more numerous shoots will decrease their growth.
Irrigation
Crop-bearing shoots
False. Sulfur dioxide levels are monitored throughout winemaking and small amounts are added whenever they are needed.
Grape shoot will be uninjured