WSET Viticulture & Winemaking

Question 1

What is the term for the period when grapes begin to ripen on the vine?

Accepted Answer

Veraison

Answer

Budburst

Answer

Flowering

Answer

Harvest

Question 2

Which factor has the greatest influence on the sugar and acidity levels in grapes?

Accepted Answer

Climate

Answer

Grape color

Answer

Type of barrel

Answer

Bottle closure

Question 3

What is the purpose of malolactic fermentation in winemaking?

Accepted Answer

Reduces acidity and softens flavor

Answer

Increases tannin levels

Answer

Clarifies the wine

Answer

Converts sugar to alcohol

Question 4

Which vineyard technique helps control yields and improve grape quality?

Accepted Answer

Green harvesting

Answer

Trellising

Answer

Irrigation

Answer

Grafting

Question 5

Which vessel is traditionally used for fermenting and aging wine in a way that allows for gentle oxygen exposure?

Accepted Answer

Oak barrel

Answer

Glass tank

Answer

Stainless steel tank

Answer

Plastic fermenter

Question 6

What is the role of sulfur dioxide (SO₂) in winemaking?

Accepted Answer

Preserves wine by preventing oxidation

Answer

Sweetens the wine

Answer

Increases alcohol content

Answer

Enhances fruit flavors