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CMS Advanced Sommelier study materials
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CMS Advanced Sommelier practice questions

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Question 1Wine Theory and Deductive Tasting

In the classic deductive tasting grid used by advanced sommelier candidates, which structural component is assessed first when evaluating a white wine's palate?

  1. Finish length
  2. Sweetness (dryness level) Correct answer.
  3. Tannin structure
  4. Alcohol level

Explanation

Deductive tasting proceeds from the first impression of sweetness on entry before moving to acidity, alcohol, body, and finish. Sweetness sets the baseline for judging ripeness and style, so it is evaluated before alcohol or length. Tannin is not a primary structural element in most white wines.

Question 2Wine Theory and Deductive Tasting

A red wine shows deep ruby color, high acidity, moderate alcohol, high fine-grained tannin, and aromas of sour cherry, rose, and tar. Which grape variety is most consistent with this profile?

  1. Grenache
  2. Nebbiolo Correct answer.
  3. Merlot
  4. Zinfandel

Explanation

Nebbiolo is classically pale to medium ruby with high acidity, high tannin, and distinctive rose, tar, and sour cherry notes. The combination of elevated acid with grippy tannin is a hallmark of Piedmont Nebbiolo. Merlot, Grenache, and Zinfandel typically show lower acidity and riper fruit profiles.

Question 3Wine Theory and Deductive Tasting

Which tasting term describes the tactile sensation of a wine that feels smooth and low in astringency due to ripe, polymerized tannins?

  1. Closed
  2. Angular
  3. Austere
  4. Velvety Correct answer.

Explanation

Velvety describes a supple, rounded mouthfeel associated with ripe, well-integrated tannins. Austere and angular imply hard or lean structure, while closed refers to aromatically undeveloped wine. The term specifically addresses tactile softness rather than aroma.

Question 4Wine Theory and Deductive Tasting

A white wine is described as having high acidity, medium alcohol, and aromas of green apple, lemon, and wet stone with no oak influence. Which style is most consistent with these observations?

  1. Warm-climate oaked Chardonnay
  2. Cool-climate unoaked Chardonnay Correct answer.
  3. Aged white Rioja
  4. Botrytized dessert wine

Explanation

Green apple, lemon, and wet stone with high acidity and modest alcohol point to a cool-climate, unoaked white such as Chablis-style Chardonnay. Warm-climate oaked Chardonnay would show riper fruit, higher alcohol, and vanilla or toast notes. Botrytis and aged Rioja bring distinct sweetness or oxidative characters absent here.

Question 5Wine Theory and Deductive Tasting

Which component of a wine is most directly perceived as a warming sensation in the back of the mouth and throat?

  1. Residual sugar
  2. Tannin
  3. Alcohol Correct answer.
  4. Acidity

Explanation

Alcohol produces warmth and a burning sensation on the palate and in the throat, especially at higher levels. Acidity causes salivation and a tart impression, sugar adds weight and sweetness, and tannin creates drying astringency. Warmth is the classic marker for assessing alcohol by mouth.

Question 6Wine Theory and Deductive Tasting

A sparkling wine shows prominent aromas of green apple and lemon, high acidity, and a fine persistent mousse, with autolytic notes of brioche and toasted almond. Which production factor most explains the brioche character?

  1. Dosage addition
  2. Extended lees aging Correct answer.
  3. Chaptalization
  4. Malolactic fermentation

Explanation

Autolytic notes such as brioche, toast, and almond develop during extended aging on the yeast lees after the secondary fermentation. Malolactic fermentation softens acidity and adds buttery notes, while dosage adjusts sweetness and chaptalization raises alcohol. Only lees contact produces classic autolytic complexity.

Question 7Wine Theory and Deductive Tasting

In deductive tasting, a wine described as having medium garnet color with slight bricking at the rim, dried cherry, leather, and mushroom notes, with softened tannin, most likely indicates which condition?

  1. High sulfur addition
  2. Carbonic maceration
  3. Bottle age Correct answer.
  4. Reductive winemaking

Explanation

Bricking at the rim, dried fruit, leather, and mushroom are classic tertiary aromas that develop with bottle age, along with softening tannin. Reductive winemaking produces struck-match or sulfide notes, carbonic maceration yields bubblegum and banana, and excess sulfur masks fruit. None of these produce bricking or leather.

Question 8Wine Theory and Deductive Tasting

Which term describes the impression of weight and fullness that a wine leaves on the palate, influenced primarily by alcohol, extract, and glycerol?

  1. Texture
  2. Intensity
  3. Body Correct answer.
  4. Concentration

Explanation

Body refers to the perceived weight and fullness of a wine on the palate, driven largely by alcohol, extract, and glycerol. Texture concerns tactile qualities like silkiness or grip, intensity concerns the strength of aromas and flavors, and concentration refers to depth of fruit extract. Body is the standard structural descriptor for weight.

Question 9Wine Theory and Deductive Tasting

A red wine shows medium ruby color, elevated alcohol, medium-plus body, moderate tannin, and aromas of blackberry, black pepper, and smoked meat. Which grape and region best fit this profile?

  1. Pinot Noir from Burgundy
  2. Syrah from the Northern Rhône Correct answer.
  3. Sangiovese from Chianti
  4. Cabernet Franc from the Loire

Explanation

Blackberry, black pepper, and smoked meat with elevated alcohol and moderate tannin are signatures of Northern Rhône Syrah. Pinot Noir is lighter with red fruit, Sangiovese shows high acid with sour cherry and earth, and Loire Cabernet Franc is lighter with herbal and red fruit notes. The savory, peppery profile points clearly to Syrah.

Question 10Wine Theory and Deductive Tasting

During deductive tasting of a white wine, you note high acidity, medium alcohol, medium body, and aromas of lime, green pear, and a distinct wet-wool note. Which grape is most likely?

  1. Albariño
  2. Chenin Blanc
  3. Sauvignon Blanc Correct answer.
  4. Viognier

Explanation

Lime, green pear, and wet-wool or lanolin notes with high acidity are classic markers of Sauvignon Blanc, especially from cooler sites. Chenin Blanc can be acidic but shows quince and honey, Viognier is low-acid with stone fruit and blossom, and Albariño shows citrus and stone fruit with a saline edge. The wet-wool note is distinctive to Sauvignon Blanc.

Question 11Wine Theory and Deductive Tasting

A wine is described as having high alcohol, low acidity, full body, and aromas of baked apple, honey, and ginger. Which style is most consistent with these observations?

  1. Cool-climate Riesling
  2. Traditional-method sparkling wine
  3. Warm-climate white with some botrytis influence Correct answer.
  4. Unoaked cool-climate Sauvignon Blanc

Explanation

Baked apple, honey, and ginger with high alcohol and low acidity suggest a warm-climate white, possibly with botrytis or late-harvest influence. Cool-climate Riesling and Sauvignon Blanc retain high acidity and fresher fruit, and traditional-method sparkling wine is high in acidity with autolytic notes. The honeyed, low-acid profile fits a warm, ripe style.

Question 12Wine Theory and Deductive Tasting

Which observation during deductive tasting most strongly suggests a wine has undergone malolactic fermentation?

  1. A pronounced green bell pepper aroma
  2. A creamy, buttery texture with softened acidity Correct answer.
  3. A drying, grippy tannin on the gums
  4. A pronounced struck-match reduction

Explanation

Malolactic fermentation converts sharper malic acid to softer lactic acid, yielding a creamy texture and buttery diacetyl notes with reduced acidity. Green bell pepper reflects pyrazines from grape ripeness, grippy tannin comes from skins and oak, and struck-match notes indicate reduction. Only the creamy, softened profile points to malolactic conversion.

Question 13Wine Theory and Deductive Tasting

A red wine shows pale ruby color, high acidity, low tannin, and aromas of red cherry, raspberry, and forest floor with a light body. Which grape is most consistent with this profile?

  1. Petite Sirah
  2. Cabernet Sauvignon
  3. Mourvèdre
  4. Pinot Noir Correct answer.

Explanation

Pale ruby color, high acidity, low tannin, light body, and red cherry with forest floor are classic Pinot Noir markers. Cabernet Sauvignon and Petite Sirah are deeply colored with high tannin, and Mourvèdre is fuller-bodied with dark fruit and game notes. The delicate, high-acid structure fits Pinot Noir.

Question 14Wine Theory and Deductive Tasting

When assessing sweetness in a wine by taste, which factor most reliably distinguishes a dry wine from an off-dry wine?

  1. The sensation of viscosity and residual sugar on the mid-palate Correct answer.
  2. The amount of tannin on the gums
  3. The level of acidity on the sides of the tongue
  4. The intensity of fruit aroma on the nose

Explanation

Sweetness is confirmed on the palate by the perception of residual sugar, often accompanied by viscosity and a rounded mid-palate sensation. Acidity can mask sugar and create confusion, so it is not a reliable indicator by itself. Aroma intensity and tannin do not measure sugar content.

Question 15Wine Theory and Deductive Tasting

A wine shows deep purple color, high alcohol, high tannin, and aromas of blackberry, cassis, mint, and cedar with a full body. Which grape and style best fit this profile?

  1. Cabernet Sauvignon aged in new oak Correct answer.
  2. Nebbiolo from Barolo
  3. Gamay from Beaujolais
  4. Pinot Grigio from Alsace

Explanation

Deep purple color, high alcohol and tannin, blackberry and cassis fruit, and mint with cedar from new oak are hallmarks of Cabernet Sauvignon. Gamay is light and low-tannin, Nebbiolo is pale with high acid and tar, and Pinot Grigio is a white wine. The structural weight and oak signature fit Cabernet Sauvignon.

Question 16Wine Theory and Deductive Tasting

Which sensory observation would most strongly suggest that a white wine has been aged in new oak barrels?

  1. A pronounced petrol or kerosene note
  2. Vanilla, toast, and a creamy texture with moderate tannin Correct answer.
  3. High acidity with green apple and citrus
  4. A saline, briny finish

Explanation

New oak contributes vanilla, toast, spice, and sometimes a creamy texture with a touch of tannin to white wines. Green apple and citrus reflect cool-climate fruit, petrol notes are typical of aged Riesling, and a saline finish suggests maritime influence. Only the vanilla and toast combination indicates new oak.

Question 17Wine Theory and Deductive Tasting

In deductive tasting, a wine showing medium amber color, aromas of walnut, caramel, orange peel, and a savory, salty finish most likely indicates which style?

  1. Extended barrel-aged white, such as Vin Jaune or aged Rioja Correct answer.
  2. Fresh Beaujolais Nouveau
  3. Vintage-dated vintage Port
  4. Young unoaked Sauvignon Blanc

Explanation

Amber color with walnut, caramel, orange peel, and a savory, salty finish points to extended oxidative barrel aging, as in Vin Jaune or traditional white Rioja. Young Sauvignon Blanc is pale and fresh, Beaujolais Nouveau is a light red, and vintage Port is a sweet fortified red. The oxidative, nutty profile is the key identifier.

Question 18Wine Theory and Deductive Tasting

Which factor most explains why a warm-climate red wine often shows higher alcohol and lower acidity than a cool-climate wine of the same variety?

  1. Warmer temperatures accelerate sugar accumulation while reducing malic acid Correct answer.
  2. Warmer temperatures increase skin tannin and reduce color extraction
  3. Cooler temperatures increase malic acid and reduce sugar ripeness
  4. Cooler temperatures increase yeast activity and raise alcohol

Explanation

In warm climates, grapes accumulate sugar rapidly while malic acid is respired away, producing higher potential alcohol and lower acidity. Cooler conditions preserve malic acid and slow sugar accumulation. The other options misstate the direction of these effects.

Question 19Wine Theory and Deductive Tasting

A wine shows high acidity, medium alcohol, and aromas of green pepper, blackcurrant leaf, and graphite with moderate tannin. Which grape is most likely?

  1. Malbec
  2. Merlot
  3. Cabernet Franc Correct answer.
  4. Grenache

Explanation

Green pepper, blackcurrant leaf, and graphite with high acidity and moderate tannin are typical of Cabernet Franc, especially from cooler climates. Merlot and Malbec are riper and softer with plum and black fruit, and Grenache is higher in alcohol with red berry and spice. The pyrazine-driven green notes point to Cabernet Franc.

Question 20Wine Theory and Deductive Tasting

Which observation during deductive tasting most reliably distinguishes a wine affected by Brettanomyces from one showing clean oak influence?

  1. Buttery diacetyl and creamy texture
  2. Barnyard, band-aid, and smoky medicinal aromas Correct answer.
  3. Vanilla, clove, and toasted notes
  4. Petrol and lanolin notes

Explanation

Brettanomyces produces volatile phenols that smell of barnyard, band-aid, and smoky medicine, often increasing with air. Oak influence yields vanilla, clove, and toast, while diacetyl gives buttery notes and petrol or lanolin relate to grape aging. The medicinal, animal aromas are the Brett signature.

Question 21Wine Theory and Deductive Tasting

In a blind tasting, a red wine shows medium ruby color, high acidity, high tannin, and aromas of sour cherry, dried herbs, and tomato leaf. Which grape and region best fit?

  1. Merlot from Pomerol
  2. Pinotage from Stellenbosch
  3. Sangiovese from Chianti Classico Correct answer.
  4. Syrah from Barossa Valley

Explanation

Sour cherry, dried herbs, and tomato leaf with high acidity and firm tannin are classic Sangiovese markers, particularly from Chianti Classico. Pomerol Merlot is softer and plumper, Barossa Syrah is riper with blackberry and pepper, and Pinotage shows dark fruit with smoky or earthy notes. The herbal, high-acid profile fits Sangiovese.

Question 22Wine Theory and Deductive Tasting

A white wine shows medium gold color, high alcohol, low acidity, and aromas of dried apricot, orange marmalade, and marzipan. Which production method most likely explains this profile?

  1. Cool fermentation in stainless steel
  2. Late harvest with botrytis influence Correct answer.
  3. Extended lees aging in tank
  4. Whole-cluster pressing with no skin contact

Explanation

Dried apricot, orange marmalade, and marzipan with high alcohol and low acidity indicate late-harvest ripeness, often with botrytis, which concentrates sugar and develops honeyed, dried-fruit character. Stainless steel and lees aging do not create marmalade or marzipan notes, and whole-cluster pressing produces a fresher, leaner profile. The dried-fruit complexity points to late harvest.

Question 23Wine Theory and Deductive Tasting

Which combination of observations best supports identifying a wine as an aged Riesling from a cool-climate region?

  1. High alcohol with blackberry and cedar and firm tannin
  2. Medium acidity with banana and bubblegum aromas
  3. High acidity with petrol, lime, and honeyed notes and modest alcohol Correct answer.
  4. Low acidity with baked apple and vanilla from new oak

Explanation

Aged cool-climate Riesling retains high acidity and develops petrol or kerosene notes alongside lime and honeyed characters at modest alcohol. Baked apple with vanilla indicates warm-climate oak, blackberry and cedar indicate a red Bordeaux-style wine, and banana and bubblegum indicate carbonic maceration. The petrol and high-acid combination is diagnostic for Riesling.

Question 24Wine Theory and Deductive Tasting

During deductive tasting, a taster notes that a red wine's tannin feels coarse and drying on the finish while the fruit is ripe and forward. Which conclusion is most defensible?

  1. The wine has been aged too long in bottle
  2. The wine must be made from unripe grapes
  3. The wine may need further bottle age for tannin to polymerize and soften Correct answer.
  4. The wine is certainly affected by Brettanomyces

Explanation

Coarse, drying tannin alongside ripe fruit often indicates a wine whose tannins have not yet polymerized and softened, so further bottle age may integrate them. Brettanomyces would show barnyard or medicinal aromas, extended bottle age usually softens rather than coarsens tannin, and unripe grapes would produce green, herbal fruit. Ripe fruit with firm tannin suggests youth rather than unripeness.

Question 25Wine Theory and Deductive Tasting

A fortified wine shows medium amber color, aromas of roasted nuts, toffee, orange peel, and a long finish with noticeable sweetness balanced by acidity. Which style is most consistent with these observations?

  1. Fino Sherry
  2. Dry Madeira
  3. Aged tawny Port Correct answer.
  4. Vintage Port

Explanation

Amber color with roasted nuts, toffee, orange peel, sweetness, and a long finish is characteristic of aged tawny Port, which gains oxidative complexity through cask aging. Vintage Port is dark and fruit-driven, Fino Sherry is dry and pale with flor notes, and dry Madeira is higher in acidity with a drier profile. The nutty, sweet oxidative character fits tawny Port.

Question 26Wine Theory and Deductive Tasting

In deductive tasting, which structural component is assessed primarily by the drying, gripping sensation on the gums and inner cheeks rather than by the tongue's edges?

  1. Tannin Correct answer.
  2. Residual sugar
  3. Volatile acidity
  4. Alcohol by volume

Explanation

Tannin is a polyphenolic compound that binds salivary proteins and produces a drying, astringent, gripping sensation felt on the gums and inner cheeks. Sweetness is detected on the tongue tip, acidity along the sides, and alcohol as warmth in the throat.

Question 27Wine Theory and Deductive Tasting

A taster notes that a white wine's acidity feels soft and rounded while its pH-driven freshness seems muted, yet the wine shows no obvious sweetness. Which structural reading best fits this observation?

  1. High tannin with high acidity
  2. Low acidity with moderate alcohol Correct answer.
  3. High acidity with low alcohol
  4. Low alcohol with high acidity

Explanation

Soft, rounded acidity with muted freshness points to low acidity, and the absence of sweetness suggests alcohol rather than sugar provides the body. Moderate alcohol fits a wine that feels broad but not hot.

Question 28Wine Theory and Deductive Tasting

Which grape variety is the sole permitted red variety of the Côte de Nuits' Grand Cru vineyards such as Chambertin and Musigny?

  1. Syrah
  2. Grenache
  3. Gamay
  4. Pinot Noir Correct answer.

Explanation

The red Grand Cru vineyards of the Côte de Nuits are planted to Pinot Noir, which is the only red variety permitted in those appellations. Gamay is excluded from these sites, and Syrah and Grenache belong to the Rhône.

Question 29Wine Theory and Deductive Tasting

A German wine labeled with a Prädikat but without a vineyard designation shows high acidity, medium alcohol, and aromas of green apple, lime zest, and wet slate. Which Prädikat level is most consistent with this profile?

  1. Trockenbeerenauslese
  2. Eiswein
  3. Kabinett Correct answer.
  4. Beerenauslese

Explanation

Kabinett is the lightest Prädikat, typically producing a dry to off-dry wine with high acidity and modest alcohol from green fruit. The botrytized and frozen-grape Prädikats produce far richer, sweeter, higher-alcohol or concentrated wines.

Question 30Wine Theory and Deductive Tasting

Which soil type is most closely associated with the great red wines of Château Pétrus in Pomerol?

  1. Blue clay Correct answer.
  2. Granite
  3. Chalk
  4. Volcanic basalt

Explanation

Pétrus sits on a plateau of blue clay, which retains water and contributes to the dense, structured Merlot-based wines for which the estate is known. Chalk dominates parts of the Côte des Blancs, granite the northern Rhône, and basalt appears in places such as Etna.

Question 31Wine Theory and Deductive Tasting

A taster detects a distinct aroma of kerosene alongside lime and honey in a mature white wine with high acidity. Which grape variety and origin best fit this profile?

  1. Sauvignon Blanc from New Zealand
  2. Albariño from Rías Baixas
  3. Chardonnay from Burgundy
  4. Riesling from Germany Correct answer.

Explanation

Kerosene, sometimes called petrol, is a classic tertiary aroma of aged Riesling, and German Riesling retains high acidity into maturity. Chardonnay, Sauvignon Blanc, and Albariño do not typically develop this note.

Question 32Wine Theory and Deductive Tasting

During deductive tasting, a red wine shows pale ruby color, elevated acidity, low tannin, and aromas of cranberry, red cherry, and a distinct earthy, savory note. Which grape is the most likely candidate?

  1. Cabernet Sauvignon
  2. Petit Verdot
  3. Nebbiolo Correct answer.
  4. Syrah

Explanation

Nebbiolo produces pale-colored wines with high acidity, firm but fine tannin, and red fruit with earthy, tar-like savoriness. The pale color despite structure is a hallmark, whereas the other varieties are deeper in color and higher in tannin.

Question 33Wine Theory and Deductive Tasting

Which term describes the total impression of a wine's aromas and flavors persisting after swallowing, often measured in seconds or caudalies?

  1. Body
  2. Length Correct answer.
  3. Balance
  4. Texture

Explanation

Length refers to how long the aroma and flavor impressions persist after the wine is swallowed, often counted in caudalies. Body is weight on the palate, texture is tactile feel, and balance is the harmony among components.

Question 34Wine Theory and Deductive Tasting

A taster notes a wine with medium gold color, aromas of bruised apple, lanolin, and honey, plus a slightly waxy texture and moderate acidity. Which grape variety is most consistent with this profile?

  1. Grüner Veltliner
  2. Muscadet
  3. Chenin Blanc Correct answer.
  4. Pinot Grigio

Explanation

Chenin Blanc is known for lanolin, honey, and bruised apple notes with waxy texture and high-to-moderate acidity, especially with bottle age. The other varieties show lighter, more neutral or peppery profiles.

Question 35Wine Theory and Deductive Tasting

In deductive tasting, which observation most directly indicates that a white wine has been fermented or aged in contact with its lees?

  1. Pronounced vanilla and coconut aromas
  2. Crisp acidity with aromas of grapefruit and grass
  3. Creamy texture with aromas of bread dough and hazelnut Correct answer.
  4. Deep gold color with aromas of dried apricot

Explanation

Lees contact contributes creamy texture and yeasty, bready, or nutty aromas through autolysis. Vanilla and coconut indicate new oak, dried apricot suggests botrytis or age, and grapefruit and grass suggest a lean, unoaked style.

Question 36Wine Theory and Deductive Tasting

Which region is the traditional source of the Palomino Fino grape used to produce dry Sherry?

  1. Porto
  2. Madeira
  3. Jerez Correct answer.
  4. Marsala

Explanation

Palomino Fino is the principal grape of Jerez in Andalusia, where it is used for dry Sherry styles such as Fino and Manzanilla. Porto, Madeira, and Marsala are fortified wine regions with different principal varieties.

Question 37Wine Theory and Deductive Tasting

A fortified wine shows a pale lemon color, delicate aromas of chamomile, bread dough, and sea salt, with a bone-dry, light-bodied palate. Which style is most consistent with these observations?

  1. Fino Sherry Correct answer.
  2. Tawny Port
  3. Oloroso Sherry
  4. Ruby Port

Explanation

Fino Sherry is aged under flor yeast, giving pale color, delicate bready and saline notes, and a bone-dry, light palate. Ruby and tawny Ports are sweet and red, and Oloroso is darker and oxidative.

Question 38Wine Theory and Deductive Tasting

Which factor most directly explains why grapes grown on a steep, south-facing slope in the northern hemisphere ripen more fully than those on an adjacent north-facing slope?

  1. Lower diurnal temperature range
  2. Increased rainfall
  3. Greater solar radiation interception Correct answer.
  4. Higher soil pH

Explanation

A south-facing slope in the northern hemisphere receives more direct solar radiation, raising the temperature and light available for photosynthesis and ripening. Soil pH, temperature range, and rainfall are not the primary driver of this aspect difference.

Question 39Wine Theory and Deductive Tasting

A red wine shows deep purple color, high alcohol, high tannin, and aromas of blackberry, cassis, and eucalyptus, with a full body and a warm finish. Which origin is most consistent with this profile?

  1. Chablis
  2. Barossa Valley Shiraz Correct answer.
  3. Sancerre
  4. Mosel Riesling

Explanation

Barossa Valley Shiraz is a warm-climate red with deep color, high alcohol, full body, and ripe black fruit, sometimes with eucalyptus from nearby gum trees. The other options are cool-climate white wines.

Question 40Wine Theory and Deductive Tasting

During deductive tasting, a taster notes a wine with high acidity, medium alcohol, and pronounced aromas of green bell pepper, blackcurrant leaf, and graphite alongside moderate tannin. Which grape variety fits best?

  1. Zinfandel
  2. Pinotage
  3. Cabernet Sauvignon Correct answer.
  4. Merlot

Explanation

Green bell pepper, blackcurrant leaf, and graphite are classic Cabernet Sauvignon markers, especially from cooler sites or less-ripe vintages, with moderate to high tannin. Merlot is softer, Zinfandel is riper and higher in alcohol, and Pinotage shows smoky, earthy notes.

Question 41Wine Theory and Deductive Tasting

Which practice is most characteristic of the traditional method used for Champagne and other quality sparkling wines?

  1. A second fermentation in the bottle followed by aging on the lees Correct answer.
  2. Fermentation in new oak barrels only
  3. Carbonation of a still base wine in a pressurized tank
  4. Addition of sweet reserve before bottling without a second fermentation

Explanation

The traditional method requires a second alcoholic fermentation inside the bottle, followed by extended aging on the lees to build complexity and mousse. Tank carbonation is the Charmat approach, and sweet reserve addition without fermentation does not create the sparkle.

Question 42Wine Theory and Deductive Tasting

A wine shows aromas of sauerkraut, wet dog, and a bitter, drying finish, with the fault becoming more pronounced after the bottle has been open for an hour. Which fault is most likely?

  1. Cork taint Correct answer.
  2. Oxidation
  3. Volatile acidity
  4. Reduction

Explanation

Cork taint, caused by TCA, produces musty, wet-cardboard, and sometimes sauerkraut-like aromas with a drying finish, and it does not blow off with air. Reduction and oxidation behave differently with aeration, and volatile acidity reads as vinegar.

Question 43Wine Theory and Deductive Tasting

Which term describes the process by which a wine's tannins and acids soften and its aromas evolve toward dried fruit, leather, and earth over time in bottle?

  1. Maturation Correct answer.
  2. Clarification
  3. Fermentation
  4. Maceration

Explanation

Maturation is the slow evolution in bottle or cask during which tannins polymerize and soften and primary aromas give way to tertiary notes. Maceration extracts color and tannin during fermentation, and clarification removes suspended particles.

Question 44Wine Theory and Deductive Tasting

A taster notes a red wine with medium ruby color, high acidity, high tannin, and aromas of sour cherry, dried herb, and tar, with a firm, drying finish. Which origin is most consistent with this profile?

  1. Châteauneuf-du-Pape
  2. Barolo Correct answer.
  3. Amarone
  4. Napa Valley Cabernet Sauvignon

Explanation

Barolo, made from Nebbiolo, is pale to medium in color with high acidity, high tannin, and sour cherry, tar, and dried herb notes. Napa Cabernet is riper and deeper, Châteauneuf-du-Pape is warmer and rounder, and Amarone is rich and dried-fruit driven.

Question 45Wine Theory and Deductive Tasting

Which grape variety is the principal white variety of the Chablis appellation?

  1. Riesling
  2. Sauvignon Blanc
  3. Chardonnay Correct answer.
  4. Chenin Blanc

Explanation

Chablis is produced exclusively from Chardonnay grown on Kimmeridgian limestone soils in northern Burgundy. Sauvignon Blanc, Riesling, and Chenin Blanc are not permitted in the appellation.

Question 46Wine Theory and Deductive Tasting

During deductive tasting, a wine shows medium amber color, aromas of walnut, caramel, orange peel, and a savory, salty finish. Which production method best explains this profile?

  1. Carbonic maceration
  2. Whole-cluster fermentation in concrete
  3. Oxidative aging in a solera system Correct answer.
  4. Reductive fermentation in stainless steel

Explanation

Oxidative aging in a solera, as with Oloroso Sherry or aged Madeira, produces amber color and nutty, caramel, and orange-peel notes with a savory finish. Reductive and carbonic methods preserve fresh fruit, and concrete fermentation alone does not create this oxidative character.

Question 47Wine Theory and Deductive Tasting

Which structural relationship best describes a wine in which high alcohol is balanced by equally high acidity and abundant tannin?

  1. A wine that will taste thin and hollow
  2. A structured, ageworthy wine with a firm framework Correct answer.
  3. A wine that will taste cloying and sweet
  4. A wine with a short finish and no texture

Explanation

When high alcohol is matched by high acidity and abundant tannin, the components support one another and create a firm, structured framework typical of ageworthy reds. Thinness would require low alcohol and low extract, and cloying sweetness requires high sugar with low acidity.

Question 48Wine Theory and Deductive Tasting

Which region is the classic source of the Melon de Bourgogne grape used for crisp, saline white wines?

  1. Sancerre
  2. Muscadet Correct answer.
  3. Chablis
  4. Vouvray

Explanation

Melon de Bourgogne is the sole variety of Muscadet in the western Loire, producing crisp, saline, lees-aged whites. Sancerre and Vouvray are Loire appellations but use Sauvignon Blanc and Chenin Blanc respectively, and Chablis is Chardonnay.

Question 49Wine Theory and Deductive Tasting

A taster notes a wine with pronounced aromas of rose petal, lychee, and ginger, low acidity, and a slightly bitter finish. Which grape variety is most consistent with this profile?

  1. Chardonnay
  2. Sauvignon Blanc
  3. Gewürztraminer Correct answer.
  4. Pinot Noir

Explanation

Gewürztraminer is known for rose petal, lychee, and ginger aromas with low acidity and a slightly bitter finish. Sauvignon Blanc is herbal and high-acid, Chardonnay is neutral to buttery, and Pinot Noir is a red variety.

Question 50Wine Theory and Deductive Tasting

In a blind tasting, a wine shows pale lemon-green color, high acidity, medium alcohol, and aromas of green apple, lemon, and a distinct wet-stone minerality, with no oak influence. Which style is most likely?

  1. Botrytized dessert wine
  2. Aged white Rioja
  3. New World oaked Chardonnay
  4. Unoaked cool-climate white Correct answer.

Explanation

Pale lemon-green color, high acidity, green apple and citrus, and wet-stone notes without oak point to an unoaked cool-climate white such as Chablis or a lean Sauvignon. Oaked Chardonnay would show vanilla and toast, aged Rioja would show nutty oxidation, and botrytis would show honey and dried fruit.