Randomized Test Questions Flashcards
Review (65 cards)
What criteria do we use to assess quality of wine?
Balance
Intensity
Length
Complexity
What does umani in food decrease and increase in wine
Increases perception of: alcohol, bitterness, astringency, acidity
Decreases perception of: body, sweetness, fruitiness
7 wine faults and the odours they produce
TCA - damp cardboard Reduction - rotten eggs, boiled cabbage Sulfur Dioxide - matches Oxidation - toffee, honey, caramel Out of condition - dull, stale Volatile acidity - vinegar, nail polish remover Brettanomyces - plastic, animal
In what style of wine do SO2 levels tend to be the highest?
Sweet white wine
What is Brettanomyces
Spoilage yeast producing aroma of plastic and animal.
What does reduction smell like?
Stinky rotten eggs and boiled cabbage
What of the following alcohol levels would be considered medium for a light wine?
12.5 %
The four main methods to combat spring Frost’s:
Sprinklers
Wind machines
Heaters
Vineyard design
Cool nights vs. warm nights. What are the effects in the grapes?
Cool night can help retain the acidity and aromas in grapes. Warm nights can accelerate the ripe ins.
Sites with large diurnal range can produce wines that are…?
Fresher and more aromatic comparing to the sites that has smaller diurnal range.
What are the three main irrigation techniques?
Drop irrigation
Sprinklers
Flood irrigation
Crossing vs. Hybrid?
Examples
Crossing is when a new variety is produced from two parents of the same species (e.g. Pinotage is a crossing of Pinot Noir x Cinsault; Müller Thurgau is a crossing of Riesling x Ma deleine Royale)
Hybrid is a vine whose parents are from two different vine species, typically hybrids have at least one American parent. E.g. Vidal, Marechal Foch
Which part of vine is a cordon?
Arm of permanent wood
What is the traditional treatment for Downy Mildew?
Cooper-base spray (Bordeaux mixture)
How would a grape grower best switch to a different variety between seasons?
Head grafting
Photosynthesis formulation?
Chlorophyll and sunlight combined with CO2 and water
The warm climate has a temperature range of?
18.5°-21°C
When does budburst occure I’m northern and southern hemisphere?
Northern hemisphere: march-april
Southern hemisphere: september-october
When does early shoot and leaf growth in southern/northern hemisphere ?
Northern hemisphere: march-may
Southern hemisphere: september-november
When does fruit set occur on southern/northern hemisphere ?
Northern hemisphere: may-june
Southern hemisphere: november-december
Vérasion and berry ripening season in southern/norther hemisphere?
Northern: july - september
Southern: january - March
When does harvest occur in northern/southern hemisphere?
Northern: September - October
Southern: March - April
Explain carbonic maceration.
Only whole, uncrushed bunches that are placed into cats filled with CO2 to remove oxygen. Intercellular fermentation begins and when grapes reach 2% ABV they split and release their juice. This method allows to extract color but very little tannin.
These wines are soft and full of fruit with distinctive notes of kirsch, banana, bubble gum and cinnamon.
If whole bunches are used, the winemaker must ensure that…
The grapes stems are fully ripe (if not the stems will add an undesirable bitter taste).
