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Set 1: General knowledge
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What is diurnal range?
Diurnal range is the difference between daytime and night-time temperatures. Warm days support sugar and flavour development, while cool nights slow respiration and help preserve acidity.
Which vineyard technique can protect vines from radiation frost where a temperature inversion is present?
Wind machines mix warmer air above the vineyard with colder air around the vines. They are most effective during radiation frosts where a temperature inversion has formed.
What is the difference between a clone and a crossing?
A clone is a selected variation within an existing grape variety that is propagated vegetatively. A crossing is a new variety created by breeding two varieties of the same species.
Which treatment is traditionally used to control downy mildew?
Copper-based sprays, including Bordeaux mixture, have traditionally been used to control downy mildew. Sulphur is more commonly associated with the treatment of powdery mildew.
What is chaptalisation?
Chaptalisation is the addition of sugar before or during fermentation to increase the potential alcohol level. It is commonly associated with cooler regions where grapes may struggle to accumulate sufficient sugar.
What happens during malolactic conversion?
Malolactic conversion changes sharper malic acid into softer lactic acid. This generally reduces perceived acidity and may create buttery or creamy aromas.
Which factor is most likely to contribute to a high selling price for a wine?
Reputation, scarcity and strong demand can significantly increase the price of a wine. Production costs, vineyard location and lengthy maturation may also contribute.
What does a European Protected Designation of Origin generally indicate?
A Protected Designation of Origin identifies a geographical origin and establishes production regulations such as permitted grape varieties, yields and winemaking methods.
Which statement generally describes the soils of Bordeaux’s Left and Right Banks?
Gravel is especially important in the Médoc and Graves on the Left Bank. Clay and limestone are more prominent in areas such as Saint-Émilion and Pomerol on the Right Bank.
Which grape variety is most closely associated with Madiran?
Madiran is principally associated with Tannat, which produces deeply coloured wines with high tannin, concentrated black fruit and strong ageing potential.
Which mountain range creates a rain shadow that contributes to Alsace’s dry climate?
The Vosges Mountains protect Alsace from much of the rainfall arriving from the west, making it one of France’s driest wine regions.
Which Alsace noble grape variety generally produces the most intensely aromatic wines?
Gewurztraminer commonly produces intensely aromatic wines with lychee, rose, tropical fruit and spice characteristics.
What does the term climat mean in Burgundy?
A climat is a precisely delimited vineyard site with its own name and recognised characteristics. Burgundy’s classification system is closely linked to these individual vineyard parcels.
Which grape variety is used for the great majority of red Beaujolais?
Beaujolais is principally produced from Gamay, which commonly gives wines with high acidity, low to medium tannin and fresh red-fruit aromas.
Which grape variety is used to make Sancerre and Pouilly-Fumé?
Sancerre and Pouilly-Fumé are important Loire Valley appellations for Sauvignon Blanc, typically producing dry wines with high acidity and pronounced citrus, green-fruit and herbaceous aromas.
Which is the only permitted black grape variety for red wines in the Northern Rhône?
Syrah is the only permitted black grape for Northern Rhône red wines. Some appellations allow small proportions of white grapes to be co-fermented with it.
Which grape variety usually dominates red blends in the Southern Rhône?
Grenache commonly forms the largest part of Southern Rhône blends, supported by grapes such as Syrah and Mourvèdre.
Which Prädikat category is positioned between Spätlese and Beerenauslese in terms of minimum grape must weight?
The relevant progression is Kabinett, Spätlese, Auslese and Beerenauslese. The Prädikat level refers to minimum grape must weight at harvest rather than the sweetness of the finished wine.
Grüner Veltliner is most strongly associated with which country?
Grüner Veltliner is Austria’s most widely planted grape variety and is particularly important in regions such as Wachau, Kamptal and Kremstal.
Which process is fundamental to the production of Tokaji Aszú?
Tokaji Aszú is produced using individually selected grapes affected by noble rot. These grapes provide intense sweetness, acidity and concentrated flavours.
Assyrtiko is most strongly associated with which country?
Assyrtiko is a leading Greek white grape variety and is especially associated with the volcanic island of Santorini.
How does DOCG generally compare with DOC in the Italian classification system?
DOCG is positioned above DOC within Italy’s traditional classification system. It generally involves more restrictive regulations and additional certification, although it does not guarantee that every DOCG wine will taste better than every DOC wine.
Which grape variety is used to make Barolo and Barbaresco?
Barolo and Barbaresco are made from Nebbiolo. The variety typically produces pale-coloured wines with high acidity, high tannin and complex floral, red-fruit and savoury aromas.
Which grape variety forms the basis of Chianti Classico?
Chianti Classico is based on Sangiovese, which typically produces wines with high acidity, medium to high tannin and red cherry, plum and dried-herb characteristics.
Primitivo is genetically identical to which grape variety?
DNA profiling has shown that Primitivo, Zinfandel and Croatia’s Crljenak Kaštelanski are genetically the same grape variety.
Which grape variety is the principal component of most red Rioja?
Tempranillo is the principal black grape of Rioja. It may be blended with varieties such as Garnacha, Graciano and Mazuelo.
Which statement best describes the climate of Napa Valley?
Southern Napa is cooled by air and fog from San Pablo Bay, while northern and more sheltered areas are generally warmer.
Which grape variety is most strongly associated with Oregon’s Willamette Valley?
The Willamette Valley is particularly well known for cool-climate Pinot Noir, although Chardonnay and Pinot Gris are also important.
Which former Bordeaux grape variety became strongly associated with Chile after many plantings were mistaken for Merlot?
Carménère declined sharply in Bordeaux but survived extensively in Chile, where many vines were long confused with Merlot.
Which grape variety is most strongly associated with quality red wine from Mendoza?
Malbec is Argentina’s flagship black grape and is particularly successful in the high-altitude vineyards of Mendoza.
Pinotage was created by crossing which two grape varieties?
Pinotage was created in South Africa by crossing Pinot Noir with Cinsault, which was historically known there as Hermitage.
Which description best matches Coonawarra’s terra rossa soil?
Coonawarra’s terra rossa consists of red clay-loam over free-draining limestone and is particularly associated with high-quality Cabernet Sauvignon.
Which wine style established Marlborough’s international reputation?
Marlborough Sauvignon Blanc is known for high acidity and pronounced passionfruit, citrus, gooseberry and herbaceous aromas.
Which grape variety is used to produce the still wines of Vouvray?
Vouvray is made from Chenin Blanc and can produce dry, medium, sweet and sparkling wines with high acidity.
Which style is most strongly associated with the Barossa Valley?
The warm Barossa Valley is particularly known for full-bodied Shiraz with ripe blackberry, plum, spice and often high alcohol.
Which grape variety is used to make Saint-Bris?
Saint-Bris is made from Sauvignon Blanc. Its cool climate commonly produces wines with high acidity and citrus, green-fruit and herbaceous characteristics.
What is the purpose of the liqueur de tirage in traditional-method sparkling wine production?
The liqueur de tirage contains wine, sugar and yeast. It is added before bottling to initiate the second fermentation that produces carbon dioxide.
Which three grape varieties account for the great majority of Champagne production?
Chardonnay, Pinot Noir and Meunier are the three principal grape varieties used in Champagne.
What is the minimum total ageing period for non-vintage Champagne before release?
Non-vintage Champagne must undergo a minimum total ageing period of 15 months from bottling before release.
Which production method is most commonly used for Prosecco?
Most Prosecco is produced using the tank method, in which the second fermentation takes place in a pressurised tank. This helps preserve the wine’s fresh fruit and floral aromas.
Where is the region, Tupungato, located?
Tupungato is located in the northern Uco Valley of Mendoza, Argentina.
Which region is regarded as the heart of high quality Port production?
Centered around the village of Pinhão, Cima Corgo is the heart of production and home to the most renowned estates (Quintas). The warmer climate produces premium grapes for Vintage, Reserve, and aged Tawny Ports.
How is a base wine intended for Fino Sherry treated before biological ageing?
Fino base wine is fermented to dryness and then fortified to approximately 15% alcohol, allowing a protective layer of flor yeast to develop.
What is the principal purpose of the solera system?
The solera system blends younger and older wines through fractional withdrawal and replenishment, helping producers maintain a consistent house style.
When is grape spirit normally added during Port production?
Grape spirit is added partway through fermentation. The increase in alcohol stops the yeast before all the sugar has been consumed, leaving the wine sweet.
Which process is fundamental to the maturation of Madeira?
Madeira undergoes heating through methods such as estufagem or canteiro. Controlled heating and oxidation contribute to its distinctive caramelised, nutty character and exceptional stability.
What effect does umami in food generally have on the perception of wine?
Umami can make wine appear more bitter, acidic and astringent while reducing perceived sweetness and fruit character.
Which aromas are commonly associated with a pronounced Brettanomyces fault?
Brettanomyces can produce barnyard, medicinal, animal and adhesive-bandage aromas. When pronounced, these characteristics can obscure the wine’s fruit and varietal character.
Which temperature range is generally suitable for the long-term storage of wine?
Wine should be stored at a cool and stable temperature, generally around 10 to 15°C. Excessive heat accelerates ageing and may damage the wine.
How should a mature red wine that has thrown sediment be prepared and served?
Standing the bottle upright allows sediment to collect at the bottom. Careful decanting then separates the clear wine from the sediment.
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Set 2: General knowledge
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Set 2: General knowledge
Read each question carefully. The timer begins when you press Begin. Good luck!
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A red wine has pale colour, high acidity, low tannin and a fresh, savoury character. Which production approach is least consistent with this style?
Extended maceration and new oak would generally increase tannin, structure and oak character. The other approaches are more consistent with a pale, fresh and lightly structured red wine.
Two vineyards are planted with the same clone of the same grape variety at a similar latitude, yet they produce noticeably different wine styles. Which explanation is most likely?
Latitude is only a broad climatic indicator. Mesoclimate, soil, altitude, aspect, water availability and vineyard management can create significant differences between sites.
A region experiences a cool, wet growing season followed by a warm and dry final month before harvest. Which outcome is most likely?
Cool and wet conditions can increase disease pressure and delay ripening. A warm, dry period before harvest may improve ripening and fruit condition, but it cannot completely reverse all earlier problems.
A producer in a warm, dry region wants to preserve natural acidity without relying on acidification. Which vineyard decision is most likely to help?
Higher altitude and cooler mesoclimates can slow ripening and reduce the rate at which acidity is lost. Delayed harvesting and severe water stress are more likely to reduce acidity.
Two red wines are produced from grapes harvested at similar sugar levels, but one has harsh, green tannins and the other has ripe, smooth tannins. Which explanation is most likely?
Grapes can achieve sufficient sugar while seeds and skins remain phenolically unripe. Extraction temperature, duration and technique can then increase or reduce the expression of those tannins.
A producer wants to reduce fungal disease pressure and reliance on fungicide treatments. Which vineyard strategy is most directly relevant?
Improved airflow and sunlight reduce the humid and shaded conditions that favour fungal diseases. Excessive vigour and dense canopies can increase disease pressure.
A steep, south-facing vineyard in the Northern Hemisphere is compared with a flat valley-floor vineyard in the same region. Which statement is most accurate?
A south-facing slope generally receives more direct sunlight in the Northern Hemisphere. Slopes may also offer improved drainage, but the final outcome depends on several interacting site factors.
Why can whole-bunch fermentation contribute to both fresh, fruit-driven wines and structured, age-worthy wines?
Intact berries can encourage intracellular fermentation and fresh fruit character. Where stems are extracted during a conventional fermentation, they may add tannin, spice and herbal character, particularly if they are not fully ripe.
Intact berries can encourage intracellular fermentation and fresh fruit character. Where stems are extracted during a conventional fermentation, they may add tannin, spice and herbal character, particularly if they are not fully ripe.
Sauvignon Blanc style is influenced by climate, grape ripeness, fermentation conditions and oxygen management. Smoky or struck-flint aromas may arise from sulphur compounds rather than flavour being transferred directly from the soil.
An aged Riesling shows a noticeable petrol or kerosene aroma alongside citrus and floral characteristics. How should this generally be interpreted?
Petrol or kerosene aromas can develop in Riesling through bottle ageing. The character is associated with the compound TDN and is not automatically considered a wine fault.
Why might a cool-climate site successfully ripen Pinot Noir but struggle to ripen Cabernet Sauvignon?
Pinot Noir ripens earlier than Cabernet Sauvignon. A site may provide enough warmth and growing-season length for Pinot Noir while remaining marginal for later-ripening Cabernet Sauvignon.
A red wine has pale-to-medium colour, high acidity, high tannin and aromas of red fruit, dried flowers and earth. Which variety is least likely to fit this profile?
Merlot generally produces deeper-coloured wines with softer tannins and riper plum and black-fruit characteristics. The other varieties can produce pale or moderate colour with high acidity and tannin.
During a hot and dry Bordeaux vintage, why might some clay-rich vineyards experience less water stress than shallow, free-draining gravel sites?
Clay generally has greater water-holding capacity than gravel. This may help reduce drought stress, although soil depth, root development, rainfall and vineyard management remain important.
Two Chardonnay wines are tasted blind. Wine A has high acidity, citrus and green-fruit aromas with little obvious oak. Wine B is fuller-bodied, with ripe stone fruit, toast and creamy texture. Which explanation is most plausible?
Chablis commonly produces high-acid Chardonnay with citrus and green-fruit characteristics. Riper Côte de Beaune styles may use barrel fermentation, lees work and malolactic conversion to create greater body and complexity.
Which production difference is most likely between a simple Beaujolais Nouveau and a structured cru Beaujolais intended for ageing?
Beaujolais Nouveau is made for rapid release and fresh fruit expression. Cru Beaujolais may undergo longer maceration and maturation to produce greater structure and ageing potential.
A sweet Vouvray and a dry Savennières can both retain high acidity despite having very different sweetness levels. Which explanation is most accurate?
Chenin Blanc naturally retains high acidity. Vouvray may be produced from later-harvested or botrytis-affected grapes and may retain residual sugar, while Savennières is typically fermented dry.
Which comparison between the Northern and Southern Rhône is most accurate?
Syrah is the only permitted black grape for Northern Rhône red wines. Southern Rhône reds are generally blends led by Grenache, often supported by Syrah and Mourvèdre.
Two Alsace wines are compared. Wine A has high acidity, citrus and floral aromas. Wine B is fuller-bodied, lower in acidity and intensely aromatic with lychee and rose. Which identification is most likely?
Alsace Riesling typically has high acidity and citrus or floral character. Gewurztraminer is generally fuller-bodied, lower in acidity and highly aromatic.
A German wine labelled Auslese is fermented to dryness. Which statement is correct?
Prädikat categories indicate the minimum must weight of the grapes at harvest. An Auslese wine can be fermented dry, although many examples retain residual sugar.
Prädikat categories indicate the minimum must weight of the grapes at harvest. An Auslese wine can be fermented dry, although many examples retain residual sugar.
Temperature affects the rate of ripening, sugar accumulation and acidity loss. Cooler sites tend to preserve acidity, while warmer sites can produce riper fruit and greater body.
Why can Tokaji Aszú remain balanced despite having very high levels of residual sugar?
Furmint has naturally high acidity. This provides freshness and balance against the high residual sugar and concentrated flavours of the botrytised grapes.
Two Rioja wines are produced from Tempranillo. One is pale and savoury with coconut, dill and leather. The other is deeper in colour with ripe fruit, toast and firm tannin. Which explanation is most likely?
Traditional Rioja styles may show long maturation and aromas associated with American oak. Other producers may use greater extraction, French oak or shorter maturation to produce deeper and more fruit-driven wines.
Ribera del Duero and Rioja can both produce Tempranillo-based wines. Why are Ribera del Duero wines often deeper in colour and more structured?
Ribera del Duero has high-altitude vineyards and a strongly continental climate. Warm days and cool nights support ripeness while helping preserve acidity and structure.
Why are Barbaresco wines often approachable earlier than Barolo wines, despite both being made from Nebbiolo?
Barbaresco is generally warmer and lower in altitude than Barolo, which can assist ripening and produce somewhat softer tannins. Barbaresco also has shorter minimum ageing requirements.
A Brunello di Montalcino and a Chianti Classico are both made principally from Sangiovese. Why might the Brunello be fuller-bodied and require longer ageing?
Montalcino is generally warmer and drier than Chianti Classico. This can produce greater ripeness and concentration, while Brunello also has substantial legal maturation requirements.
How does appassimento contribute to the style of Amarone della Valpolicella?
Appassimento involves drying harvested grapes before fermentation. Water loss concentrates sugar, acids and flavour compounds, producing powerful wines with dried-fruit characteristics.
Why can Soave Classico produce more concentrated wines than high-volume Soave from flatter vineyard areas?
The historic Classico zone contains hillside vineyards where drainage, exposure and lower yields can contribute to greater concentration and quality.
Which combination best explains the concentration and high production costs associated with many Priorat wines?
Priorat contains steep, difficult-to-work vineyards with poor slate-based llicorella soils. Old vines and low yields can produce concentrated fruit, while manual work increases costs.
Why is southern Napa Valley generally cooler than areas farther north?
San Pablo Bay provides cooling air and fog that enter the valley from the south. This influence weakens farther north, where conditions are generally warmer.
A Willamette Valley Pinot Noir is compared with a Pinot Noir from a warmer Californian site. Which difference is most likely?
The cooler Willamette Valley generally preserves acidity and supports red-fruit characteristics. Warmer Californian sites can produce riper fruit, fuller body and higher alcohol.
Why can Carménère show pronounced green pepper and herbal aromas when harvested too early?
Carménère is late ripening. If harvested before full ripeness, herbaceous aromas can remain pronounced, while later harvesting can produce riper black-fruit and spice characteristics.
How does high altitude influence wine style in Mendoza?
High-altitude vineyards experience strong sunlight and large diurnal temperature ranges. These conditions can support ripeness, colour and tannin while helping retain acidity.
Why can Stellenbosch produce ripe Cabernet Sauvignon while retaining freshness and structure?
Stellenbosch combines abundant sunshine with varied elevations, slopes and cooling ocean influences. This allows Cabernet Sauvignon to ripen while retaining acidity and structure.
Which comparison between Barossa Valley Shiraz and Coonawarra Cabernet Sauvignon is most accurate?
Barossa Valley’s warm climate supports ripe, full-bodied Shiraz. Coonawarra’s cooler conditions and terra rossa soils are strongly associated with structured Cabernet Sauvignon.
Why might Sauvignon Blanc from the Awatere Valley show more pronounced herbaceous character than an example from the Wairau Valley?
The Awatere Valley is generally cooler, drier and windier than the Wairau Valley. These conditions can slow ripening and contribute to higher acidity and more herbaceous character.
Two wines come from the same appellation and vintage and have similar grape blends, yet one is significantly more expensive. Which explanation is most plausible?
Appellation and vintage do not determine price on their own. Site quality, yields, production methods, reputation, scarcity and demand can all influence the final price.
A sparkling wine has high acidity, fine persistent bubbles and pronounced toast, biscuit and brioche aromas. Which production approach is most consistent with this profile?
Traditional-method production and extended contact with yeast lees can produce fine bubbles and autolytic aromas such as toast, biscuit and brioche.
Why do producers blend reserve wines from previous vintages into non-vintage sparkling wine?
Reserve wines allow producers to balance the characteristics of the current harvest and maintain a recognisable style across different years.
Which factor would most directly reduce the ageing potential of a traditional-method sparkling wine?
Acidity and flavour concentration provide structure and longevity. A low-acid, dilute base wine is less likely to develop positively over an extended period.
Why does Prosecco generally show fresher primary fruit aromas and less autolytic character than Champagne?
The tank method preserves fresh fruit and floral aromas. Champagne undergoes its second fermentation in bottle and commonly receives extended lees ageing, producing autolytic complexity.
Cava and Champagne are both made using the traditional method. Why can their styles still differ significantly?
The production method is only one influence on style. Grape varieties, climate, ripeness, acidity, blending and maturation all contribute to differences between Cava and Champagne.
Why is Port sweet despite being fermented from ripe grapes?
Fortification raises the alcohol level and stops fermentation. Natural grape sugar remains in the wine, producing sweetness.
Why does Fino Sherry develop under flor while Oloroso undergoes oxidative ageing?
Flor can survive at the lower fortification level used for Fino. Oloroso is fortified to a higher alcohol level, preventing flor and allowing oxidative maturation.
What is the principal function of the solera system in Sherry production?
Wine is withdrawn from the oldest barrels for bottling and replaced with younger wine. This fractional blending maintains continuity and a consistent house style.
Which combination of factors best explains the rich, sweet and oxidative style of Rutherglen Muscat?
Rutherglen Muscat is produced from very ripe grapes with high sugar levels. Fortification preserves sweetness, while extended oxidative maturation creates dried-fruit, caramel and nutty characteristics.
Why does Muscat de Beaumes-de-Venise generally retain fresher floral and grape aromas than an old Rutherglen Muscat?
Muscat de Beaumes-de-Venise is a vin doux naturel in which fortification stops fermentation and preserves natural sweetness. The style generally emphasises fresh grape, floral and citrus aromas.
What effect does umami-rich food generally have on the perception of wine?
Umami can make a wine seem more bitter, acidic and astringent. It can also reduce the perception of sweetness and fruit character.
Which example best illustrates the importance of distinguishing a wine fault from a variety-typical aroma?
Some strong aromas are normal for particular varieties or stages of development. Correct fault identification requires knowledge of the wine’s expected varietal and ageing characteristics.
A full-bodied red wine is served significantly too warm. Which effect is most likely?
Serving a wine too warm can exaggerate alcohol and make the wine feel heavy or unbalanced. Fruit definition and freshness may become less apparent.
What is the main difference between decanting a young wine and decanting a mature wine with sediment?
Young wines may sometimes benefit from limited aeration. Mature wines are decanted carefully to remove sediment and should generally be protected from excessive aeration.
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Level 3: Wine Regions - Geography and Location
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Level 3: Winemaking
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