I85PREP
⌘ K
WSET Spirits Level 1 study materials
WSET Spirits Level 1 study resources

WSET Spirits Level 1 practice questions

One question at a time. Build your WSET Spirits Level 1 understanding.

First 50 of 200 questions. Each one lists the choices, the correct answer, and an explanation. The checker at the top of this page saves progress in this browser when it is available.

Continue in the practice tool above to load more questions, 50 at a time.

Question 1The basic principles of spirit production

During fermentation, yeast converts sugar mainly into alcohol and which gas?

  1. Nitrogen
  2. Hydrogen
  3. Carbon dioxide Correct answer.
  4. Oxygen

Explanation

Yeast metabolises fermentable sugars, producing ethanol and carbon dioxide. The carbon dioxide escapes as gas, leaving behind an alcoholic liquid (the wash) that can be distilled.

Question 2The basic principles of spirit production

What is the main aim of distillation in spirit production?

  1. To add colour to the spirit
  2. To sterilise the wash
  3. To concentrate and separate the alcohol Correct answer.
  4. To sweeten the liquid

Explanation

Distillation exploits the difference in boiling points between ethanol and water, vaporising and then recondensing the alcohol to raise its concentration. It also concentrates flavour compounds carried over in the vapour.

Question 3The basic principles of spirit production

Which raw material is the base for most rum production?

  1. Grape juice
  2. Rye grain
  3. Barley malt
  4. Sugar cane molasses Correct answer.

Explanation

Rum is made from sugar cane products, most commonly molasses, a syrupy by-product of sugar refining. Some rums use fresh cane juice instead, but the base is always sugar cane.

Question 4The basic principles of spirit production

Single malt Scotch whisky must be made from which cereal?

  1. Malted barley Correct answer.
  2. Wheat
  3. Maize
  4. Rye

Explanation

Single malt Scotch is made from 100% malted barley at a single distillery. Other cereals such as wheat or maize may appear in grain whiskies but not in malt whisky.

Question 5The basic principles of spirit production

In fermentation, yeast is added mainly to do what?

  1. Convert starch into fermentable sugars
  2. Extract colour and flavour compounds from the oak cask
  3. Convert sugar into alcohol and carbon dioxide Correct answer.
  4. Raise the boiling point of the wash

Explanation

Yeast is the micro-organism that ferments sugar, producing ethanol and carbon dioxide. Converting starch to sugar is a separate step carried out by enzymes during mashing.

Question 6The basic principles of spirit production

What does the abbreviation ABV stand for?

  1. Aged barrel volume
  2. Alcohol by volume Correct answer.
  3. Alcohol base value
  4. Alcohol by vessel

Explanation

ABV means alcohol by volume, the percentage of pure ethanol in the total volume of the liquid. It is the standard measure of strength on a spirit label.

Question 7The basic principles of spirit production

Which botanical must dominate the flavour of a gin?

  1. Orris root
  2. Coriander seed
  3. Angelica root
  4. Juniper berry Correct answer.

Explanation

Juniper berries are the defining botanical of gin; the spirit must taste predominantly of juniper. Other botanicals such as coriander and angelica are used to support and complex the flavour.

Question 8The basic principles of spirit production

Which cereal is the main raw material for bourbon?

  1. Sugar cane
  2. Grape
  3. Maize Correct answer.
  4. Agave

Explanation

Bourbon must be made from a mash containing at least 51% maize (corn), which gives the spirit its sweet, rounded character. The remaining grain is usually rye or wheat plus malted barley.

Question 9The basic principles of spirit production

What is the purpose of the malting stage in cereal spirit production?

  1. To convert the grain's sugars into alcohol
  2. To add caramel colour to the finished spirit
  3. To distil the wash for the first time
  4. To produce enzymes that break down starch Correct answer.

Explanation

During malting, grain is germinated so that it develops enzymes, then dried to stop growth. Those enzymes later convert starch into fermentable sugar during mashing.

Question 10The basic principles of spirit production

Compared with a pot still, a column (continuous) still typically produces a spirit that is...

  1. Darker and sweeter in style
  2. Lower in alcohol and more oily
  3. Heavier and more congeneric
  4. Lighter and higher in strength Correct answer.

Explanation

A column still has many plates that promote repeated vaporisation and condensation, so the spirit leaves at high strength with fewer heavy congeners. That gives a lighter, cleaner character than a pot still.

Question 11The basic principles of spirit production

In a pot still run, what are the 'heads' (foreshots)?

  1. The first part, rich in volatile compounds Correct answer.
  2. The last part, rich in heavier oils
  3. The middle cut kept for maturation
  4. The residue left in the still

Explanation

The heads are the first fraction to come off the still, carrying highly volatile, harsh compounds such as methanol and acetaldehyde. They are usually separated out and not kept in the heart of the spirit.

Question 12The basic principles of spirit production

What is the effect of reflux in distillation?

  1. It cools the wash before fermentation
  2. It adds water to the spirit before bottling
  3. It returns vapour to the still and raises purity Correct answer.
  4. It increases the congener content of the spirit

Explanation

Reflux occurs when vapour condenses and falls back into the still to be re-vaporised. More reflux means more purification, giving a cleaner, stronger and lighter spirit.

Question 13The basic principles of spirit production

Why is spirit usually matured in oak casks?

  1. Oak removes all colour from the spirit
  2. Oak raises the alcohol strength of the spirit
  3. Oak allows oxygen exchange and adds flavour Correct answer.
  4. Oak sterilises the spirit before bottling

Explanation

Oak is porous enough to allow slow oxygen exchange, which softens the spirit, while also releasing extractives such as tannins and lactones that add flavour and colour.

Question 14The basic principles of spirit production

What effect does charring the inside of a cask have?

  1. It lowers the strength of the maturing spirit
  2. It makes the cask unsuitable for reuse
  3. It creates charcoal that filters and flavours Correct answer.
  4. It seals the wood so no oxygen can enter

Explanation

Charring carbonises the inner surface, forming a layer of charcoal that adsorbs some harsh compounds while releasing sweet, smoky and vanilla-like aromas into the spirit.

Question 15The basic principles of spirit production

What is meant by the 'middle cut' during distillation?

  1. The distillate collected before the heads
  2. The residue left behind in the pot
  3. The final distillate rich in heavy oils
  4. The heart of the run, selected for quality Correct answer.

Explanation

The middle cut, or heart, is the portion of the distillate judged best in aroma and strength, and it is the part kept for maturation or bottling. It sits between the heads at the start and the tails at the end of the run.

Question 16The basic principles of spirit production

Why is water added to spirit before bottling?

  1. To reduce the spirit to the intended strength Correct answer.
  2. To increase the congener concentration
  3. To speed up the maturation process
  4. To sterilise the final bottled product

Explanation

Spirit leaves the cask stronger than the target bottling strength, so water is added to dilute it to the required ABV. This is usually done slowly and with care to avoid cloudiness.

Question 17The basic principles of spirit production

What is the main purpose of chill filtration?

  1. To add sweetness to the spirit
  2. To remove compounds that could cause haze Correct answer.
  3. To darken the colour of the spirit
  4. To increase the alcoholic strength

Explanation

Chill filtration removes long-chain fatty compounds that can clump together and make the spirit cloudy when it is chilled or diluted. The trade-off is that some textural character may be lost.

Question 18The basic principles of spirit production

Spirit caramel (E150a) is commonly added to a finished spirit to do what?

  1. Improve its mouthfeel and sweetness
  2. Increase its alcoholic strength
  3. Extend its maturation in cask
  4. Adjust its colour for consistency Correct answer.

Explanation

Spirit caramel is a permitted colourant used in tiny amounts to standardise appearance between batches. It is chosen because it adds colour with minimal effect on flavour.

Question 19The basic principles of spirit production

Which statement best describes a continuous (column) still?

  1. It runs continuously and reaches high strength Correct answer.
  2. It produces a heavy, oily spirit
  3. It can only be used for batch distillation
  4. It must be heated by direct flame

Explanation

A column still can be fed continuously and uses many plates to separate vapour repeatedly, delivering a high-strength, relatively light spirit. It is the workhorse of grain whisky, rum and neutral spirit production.

Question 20The basic principles of spirit production

Congeners in a distilled spirit are best described as what?

  1. Secondary flavour compounds from fermentation Correct answer.
  2. Compounds added after distillation for flavour
  3. The water content of the finished spirit
  4. Inorganic salts left over from fermentation

Explanation

Congeners are the minor flavour-active compounds, such as higher alcohols, esters and acids, formed by yeast and carried through distillation. Their level shapes how light or characterful a spirit tastes.

Question 21The basic principles of spirit production

Which raw material contains sugars that yeast can ferment directly, with no conversion step?

  1. Ripe grape juice Correct answer.
  2. Malted barley
  3. Milled maize grain
  4. Raw potato starch

Explanation

Fruit such as ripe grapes contains simple sugars that yeast can ferment straight away, which is why wine can be made without mashing. Cereals and potatoes store energy as starch, which must first be converted to sugar.

Question 22The basic principles of spirit production

Why does a distiller make cuts based on both strength and taste?

  1. Because the heads always hold the best flavours
  2. Because the desirable heart varies with the style Correct answer.
  3. Because the law fixes a cut point for every still
  4. Because the tails are the strongest fraction

Explanation

The point where heads end and the heart begins is judged by smelling and tasting the spirit as it runs, together with the strength reading. A lighter style calls for a narrower heart, while a characterful style may keep a wider cut.

Question 23The basic principles of spirit production

What is the main reason copper is used in the construction of pot stills?

  1. It removes sulphur compounds from the vapour Correct answer.
  2. It raises the boiling point of ethanol
  3. It prevents any reflux from occurring
  4. It adds a sweet, sugary note to the spirit

Explanation

Copper reacts with sulphur compounds produced during fermentation, forming copper sulphide that stays in the still, so harsh, rotten notes are reduced. More copper contact therefore gives a cleaner spirit.

Question 24The basic principles of spirit production

Why can ethanol be separated from water by distillation?

  1. Ethanol evaporates only above 100 °C
  2. Ethanol sinks below the water in the still
  3. Ethanol boils at a lower temperature than water Correct answer.
  4. Water boils at a lower temperature than ethanol

Explanation

Ethanol boils at roughly 78 °C, well below water's 100 °C, so heating a wash vaporises alcohol preferentially. Condensing that vapour gives a liquid richer in alcohol than the original wash.

Question 25The basic principles of spirit production

Why does spirit mature faster in a warm climate than in a cold one?

  1. Congeners evaporate only in cold conditions
  2. Warm air prevents oxygen entering the cask
  3. Heat stops the wood from expanding
  4. Heat speeds up extraction and evaporation Correct answer.

Explanation

Higher temperatures increase the rate at which the spirit extracts compounds from the wood and increase evaporation through the staves. Both effects accelerate the changes normally associated with maturation.

Question 26The basic principles of spirit production

What is the main role of yeast during fermentation?

  1. To break down starch into sugars that yeast can ferment
  2. To raise the temperature of the wash to boiling point
  3. To convert sugar into alcohol and carbon dioxide Correct answer.
  4. To dissolve the sugars present in the raw material

Explanation

Yeast feeds on the sugars dissolved in the liquid and produces ethanol and carbon dioxide as by-products. This conversion is the step that creates alcohol in every fermented spirit, whatever the raw material.

Question 27The basic principles of spirit production

In distilling, what is a 'wash'?

  1. The spirit collected after its second distillation
  2. The fermented liquid that is ready to be distilled Correct answer.
  3. The mixture of ground grain and water before yeast is added
  4. The residue left in the still after the spirit has been collected

Explanation

A wash is the alcoholic liquid produced when fermentation is complete and is the charge that goes into the still. Its alcoholic strength is usually modest, typically around 8 to 12% ABV.

Question 28The basic principles of spirit production

What does the term 'cask strength' indicate on a bottle of spirit?

  1. The spirit has been filtered to remove all cask-derived colour
  2. The spirit has been matured for a minimum of ten years
  3. The spirit is bottled at the strength it had in the cask Correct answer.
  4. The spirit has been diluted to a standard 40% ABV

Explanation

Cask strength means no water has been added before bottling, so the spirit retains the alcoholic strength it reached during maturation. This strength varies from cask to cask and is usually well above standard bottling strength.

Question 29The basic principles of spirit production

During maturation, what is meant by the 'angel's share'?

  1. The first portion of distillate collected from the still
  2. The volume of spirit permanently absorbed by the cask wood
  3. The portion of spirit lost to evaporation through the cask Correct answer.
  4. The alcohol lost when a cask is opened for sampling

Explanation

Spirit slowly escapes as vapour through the pores of the cask over the years, and this evaporative loss is called the angel's share. It is greater in warm, dry conditions than in cool, damp ones.

Question 30The basic principles of spirit production

In cereal-based spirit production, why is the mash heated before fermentation?

  1. To extract colour compounds from the grain husks
  2. To open up starch granules so enzymes can convert them to sugar Correct answer.
  3. To reduce the sugar content so the wash ferments more slowly
  4. To increase the alcohol tolerance of the distilling yeast

Explanation

Cereal starch is locked inside granules that must be burst by heat before enzymes can break the starch down into fermentable sugars. Without this step the yeast would have nothing to convert into alcohol.

Question 31The basic principles of spirit production

In a column still, what is the main function of the perforated plates or trays?

  1. To filter out solid particles carried over from the wash
  2. To bring rising vapour and falling liquid into repeated contact Correct answer.
  3. To hold the wash directly over an open flame
  4. To cool the vapour so that it condenses before leaving

Explanation

Vapour travels upwards while condensed liquid runs downwards across each plate, so the two mix and partly re-distil at every level. This repeated contact is what allows a column still to reach high strength in a single continuous operation.

Question 32The basic principles of spirit production

At sea level, at approximately what temperature does pure ethanol boil?

  1. 58 °C (136 °F)
  2. 78 °C (173 °F) Correct answer.
  3. 68 °C (154 °F)
  4. 100 °C (212 °F)

Explanation

Ethanol boils at about 78 °C, well below the 100 °C at which water boils. This gap in boiling points is the physical basis for separating alcohol from water in a still.

Question 33The basic principles of spirit production

A cask that has already held spirit once is refilled with new spirit. Compared with a first-fill cask, this refill cask will generally...

  1. raise the strength of the spirit more sharply
  2. impart less wood extract to the spirit Correct answer.
  3. cause the spirit to mature more quickly
  4. give the spirit more colour and tannin

Explanation

A cask releases most of its readily available colour and flavour compounds during its first filling. On refilling, the wood has less extract to give, so its influence on the spirit is gentler.

Question 34The basic principles of spirit production

A fermentation is allowed to run slowly over several days instead of finishing quickly. What is the usual effect on the resulting spirit?

  1. The wash reaches a much higher alcoholic strength
  2. Fewer congeners are carried over during distillation
  3. The yeast produces a higher proportion of water
  4. More flavour-active compounds are formed in the wash Correct answer.

Explanation

A longer, slower fermentation allows yeast to generate a wider range of esters and other aroma compounds in the wash. Many of these survive distillation and give the final spirit greater complexity.

Question 35The basic principles of spirit production

What is the main effect of oxygen entering the cask during maturation?

  1. It increases the alcoholic strength of the spirit
  2. It stops the evaporation of alcohol from the cask
  3. It softens harsh aromas through slow oxidation Correct answer.
  4. It gives the spirit its colour from the oak

Explanation

Small amounts of oxygen pass through the wood and the gap around the bung, slowly oxidising the spirit. This mellows aggressive, sulphury or spirity notes and helps the flavours knit together.

Question 36The basic principles of spirit production

In gin production, what is maceration?

  1. Passing spirit vapour through a bed of fresh botanicals
  2. Adding water to distillate to reduce its strength
  3. Resting the finished gin before it is bottled
  4. Steeping botanicals in spirit so their flavours are extracted Correct answer.

Explanation

Maceration means soaking the botanical mix in spirit, often for hours or days, before the still is run. The alcohol dissolves aromatic compounds from the botanicals, which are then carried over in distillation.

Question 37The basic principles of spirit production

Why is the distillate from a wash still usually distilled a second time?

  1. To convert any remaining sugars into alcohol
  2. To raise strength and allow a cleaner separation of fractions Correct answer.
  3. To remove the water that was created during fermentation
  4. To add flavour compounds that were lost in the first run

Explanation

The first run produces low wines of modest strength with many impurities spread through the distillate. A second distillation concentrates the alcohol and lets the distiller cut more precisely between heads, heart and tails.

Question 38The basic principles of spirit production

The same new-make spirit is filled into a 200-litre cask and a 500-litre cask that are otherwise identical, and the two casks are matured side by side. What is the likely outcome after a few years?

  1. The smaller cask gives more oak character per litre of spirit Correct answer.
  2. The larger cask gives more oak character per litre of spirit
  3. Only the larger cask will give any oak character at all
  4. Both casks give equal oak character because the spirit is the same

Explanation

A smaller cask has a greater surface area of wood relative to the volume of spirit it holds. More wood contact per litre means faster extraction of colour, tannin and oak aroma.

Question 39The basic principles of spirit production

Simple distillation cannot raise a water-ethanol mixture beyond about 95% ABV. What is the practical consequence for distilled spirits?

  1. Water must be added to the wash before distillation begins
  2. Spirit coming straight off the still always contains some water Correct answer.
  3. Ethanol and water cannot be separated by distillation at all
  4. Column stills have to be run at lower pressure than pot stills

Explanation

Ethanol and water form a mixture that boils at a constant composition at very high strength, so distillation cannot yield absolutely pure ethanol. Distillates therefore still contain a small amount of water even at their maximum strength.

Question 40The basic principles of spirit production

Two bottles both carry a 12-year-old age statement, yet the spirits taste quite different. Why is this?

  1. A 12-year-old spirit is always smoother than an 8-year-old
  2. Bottles with the same age statement must contain the same liquid
  3. Older spirits are always darker and sweeter in style
  4. Cask size, climate and previous cask use all affect maturation speed Correct answer.

Explanation

An age statement gives the time spent in wood but says nothing about the conditions of that time. Cask size, warehouse temperature and how many times the cask has been used all change how quickly and how strongly the wood influences the spirit.

Question 41The main types and styles of spirits

Vodka is most commonly distilled from which raw material?

  1. Freshly pressed sugarcane juice
  2. Blue agave hearts
  3. Wheat, rye or other cereals Correct answer.
  4. Fermented grape juice

Explanation

Vodka is a neutral spirit most often made from cereal grains such as wheat, rye or maize, although potato, grape and other bases exist. Cereals are favoured because they yield a clean, neutral spirit after distillation and filtration.

Question 42The main types and styles of spirits

By definition, gin must be flavoured predominantly with which botanical?

  1. Dried citrus peel
  2. Coriander seed
  3. Juniper berries Correct answer.
  4. Angelica root

Explanation

Juniper is the defining flavouring of gin and the only botanical legally required in every style. Coriander, angelica and citrus are common supporting botanicals but are not the defining one.

Question 43The main types and styles of spirits

Rum is distilled from which raw material?

  1. Malted barley mash
  2. Corn and rye mash
  3. Fermented rice
  4. Sugarcane molasses Correct answer.

Explanation

Rum is made from sugarcane products, most often molasses, a by-product of sugar refining, or sometimes fresh cane juice. The sugarcane origin is what links all styles of rum together.

Question 44The main types and styles of spirits

Tequila must be made from which plant?

  1. Potato
  2. Rice
  3. Sugar beet
  4. Blue Weber agave Correct answer.

Explanation

Tequila is legally restricted to spirit distilled from the blue Weber agave, grown mainly in Jalisco and a few neighbouring areas. Other agaves may be used for mezcal, but not for tequila.

Question 45The main types and styles of spirits

Cognac must be produced in which country?

  1. France Correct answer.
  2. Portugal
  3. Spain
  4. Italy

Explanation

Cognac is a protected French brandy from a delimited region around the town of Cognac in the west of France. Producing the same style of brandy elsewhere means it cannot be labelled Cognac.

Question 46The main types and styles of spirits

A bourbon mash must contain at least what proportion of corn?

  1. 25%
  2. 51% Correct answer.
  3. 100%
  4. 75%

Explanation

US rules require a bourbon mash bill to be at least 51% corn, which gives the sweet, full-bodied character typical of the style. The remaining grains are usually rye or wheat plus malted barley.

Question 47The main types and styles of spirits

Which style of spirit is sweetened and flavoured with fruit, herbs or spices?

  1. Liqueur Correct answer.
  2. Whisky
  3. Vodka
  4. Tequila

Explanation

Liqueurs are spirits to which sugar and flavouring materials such as fruit, herbs, spices or cream have been added. They are typically sweeter and lower in alcohol than the base spirit itself.

Question 48The main types and styles of spirits

Which of these best describes a single malt Scotch whisky?

  1. Whisky taken from one cask and never blended
  2. A blend of malt whiskies from several distilleries
  3. Malt whisky from one distillery mixed with grain whisky
  4. Malt whisky made at one distillery Correct answer.

Explanation

Single malt Scotch is made only from malted barley at a single distillery and bottled there. The word single refers to the distillery, not to a single cask, so vatting several casks from that distillery is normal.

Question 49The main types and styles of spirits

Which statement about a column still is correct?

  1. It is used only for making rum
  2. It works in batches like a pot still
  3. It can distil continuously at high strength Correct answer.
  4. It must be built entirely from copper

Explanation

A column still, also called a continuous still, brings vapour and liquid into repeated contact so that spirit can be drawn off continuously at high strength. Pot stills, by contrast, run one batch at a time.

Question 50The main types and styles of spirits

Which Scotch whisky region is known for heavily peated whiskies?

  1. Lowlands
  2. Speyside
  3. Islay Correct answer.
  4. Campbeltown

Explanation

Islay distilleries traditionally dry their malted barley over peat fires, producing smoky, medicinal and maritime flavours. Speyside and the Lowlands are generally associated with lighter or fruitier styles.