Part 6 Flashcards
What is viniculture?
Viniculture is the science and study of grape cultivation for winemaking.
What is viticulture?
Viticulture refers to the branch of horticulture that deals with the cultivation of grapevines.
True or False: Viniculture and viticulture are the same.
False
What is the primary goal of viticulture?
The primary goal of viticulture is to produce high-quality grapes for winemaking.
Fill in the blank: The process of harvesting grapes is known as _____
vendange
What are the main factors affecting grapevine growth?
Soil, climate, water availability, and vineyard management.
Multiple Choice: What is the ideal temperature range for grapevine growth? A) 10-15°C B) 15-20°C C) 20-30°C D) 30-35°C
C) 20-30°C
What is terroir?
Terroir refers to the environmental factors that affect a crop’s phenotype, including soil, climate, and topography.
True or False: The term ‘terroir’ is used only in relation to wine.
False
What is the purpose of pruning grapevines?
Pruning helps to control vine growth, improve air circulation, and enhance grape quality.
What is the significance of ‘vintage’ in winemaking?
Vintage refers to the year in which the grapes were harvested.
Fill in the blank: The process of converting grape juice into wine is called _____
fermentation
What is a common pest that affects grapevines?
The grape phylloxera is a common pest that affects grapevines.
Multiple Choice: Which grape variety is known for producing red wine? A) Chardonnay B) Merlot C) Sauvignon Blanc D) Riesling
B) Merlot
What is the role of yeast in winemaking?
Yeast ferments the sugars in grape juice, producing alcohol and carbon dioxide.
True or False: All wines are aged in oak barrels.
False
What does the term ‘malolactic fermentation’ refer to?
Malolactic fermentation is a process that converts sharp malic acid into softer lactic acid in wine.
Fill in the blank: The primary acid found in grapes is _____ acid.
tartaric
What is a ‘wine appellation’?
A wine appellation is a designated geographic area known for producing specific types of wine.
Multiple Choice: Which of the following is not a white grape variety? A) Pinot Grigio B) Cabernet Sauvignon C) Chardonnay D) Sauvignon Blanc
B) Cabernet Sauvignon
What is the significance of ‘oak aging’ in wine production?
Oak aging can impart flavors, aromas, and tannins to the wine, enhancing its complexity.
True or False: The sugar content in grapes decreases as they ripen.
False
What does ‘brix’ measure in winemaking?
Brix measures the sugar content in grape juice.
Fill in the blank: The process of removing grape skins after fermentation is called _____
pressing
What is the main purpose of a vineyard trellis system?
A trellis system supports grapevines and allows for better sunlight exposure and air circulation.
Multiple Choice: Which country is the largest wine producer in the world? A) Italy B) France C) Spain D) USA
A) Italy
What is the role of sulfur dioxide in winemaking?
Sulfur dioxide is used as a preservative to prevent oxidation and spoilage of wine.
True or False: All wines contain sulfites.
True
What is the primary purpose of fermentation?
The primary purpose of fermentation is to convert sugars into alcohol and carbon dioxide.
Fill in the blank: The wine made from the first pressing of grapes is called _____
free run juice
What is the difference between red and white wine production?
Red wine is fermented with grape skins, while white wine is fermented without them.
Multiple Choice: What is the term for the sediment that forms in wine? A) Lees B) Tannin C) Grape pomace D) Must
A) Lees
What is the purpose of cold stabilization in winemaking?
Cold stabilization helps to prevent tartaric crystals from forming in the finished wine.
True or False: The climate in which grapes are grown can influence the flavor profile of the wine.
True
What does ‘decanting’ mean in the context of wine?
Decanting is the process of pouring wine from its bottle into another container to separate it from sediment.
Fill in the blank: The natural sugar content of grapes is measured in _____
brix
What is the role of tannins in wine?
Tannins contribute to the wine’s structure, mouthfeel, and aging potential.
Multiple Choice: What is the primary grape used in Champagne production? A) Merlot B) Chardonnay C) Pinot Noir D) Sauvignon Blanc
C) Pinot Noir
What is the importance of soil type in viticulture?
Soil type affects drainage, nutrient availability, and ultimately the flavor of the grapes.
True or False: Organic viticulture avoids the use of synthetic fertilizers and pesticides.
True
What is the term for the practice of mixing different grape varieties in wine production?
Blending
Fill in the blank: The term ‘phylloxera’ refers to a _____ that affects grapevines.
pest
What is a common method for training grapevines?
Guyot and cordon training are common methods for training grapevines.
Multiple Choice: Which of the following is a characteristic of late harvest wines? A) High acidity B) Low sweetness C) High alcohol D) High sweetness
D) High sweetness
What is the process of ‘malolactic fermentation’ primarily used for?
Malolactic fermentation is primarily used to soften the acidity in wine.
True or False: Grapes can only be grown in temperate climates.
False
What is the main function of a wine cork?
A wine cork seals the bottle and prevents oxidation while allowing minimal gas exchange.
Fill in the blank: The practice of applying water to grapevines during dry periods is called _____
irrigation
What is the significance of the ‘wine label’?
The wine label provides essential information about the wine, including its origin, variety, and vintage.