Requirement for age-able wine - CORRECT ANSWER
>>>>sufficient level of tannin, acidity and/or alcohol
What does fining accomplish - CORRECT ANSWER
>>>>Clump together wine constituents so they
become visible and filterable. Help ensure wine
stability
What are the methods of clarifying a wine? - CORRECT
ANSWER >>>>Sedimentation, fining and filtration.
What are the two methods of filtration? - CORRECT
ANSWER >>>>Depth Filtration using a thick layer of
material and surface filtration using a very fine sieve.
,2|Page
What is tartrate stabilization? - CORRECT ANSWER
>>>>Chill the wine to below 0C for a short period of
time so that tartrate crystals will form and be removed
prior to bottling.
What wine is susceptible to yeast or bacteria spoilage?
- CORRECT ANSWER >>>>Wine that hasn't undergone
MLF, and wine with low to medium alcohol, low
acidity and some residual sugar.
Flushing bottle with CO2 or N can... - CORRECT
ANSWER >>>>eliminate O2 and reduce oxidization
What is gross lees - CORRECT ANSWER >>>>dead yeast
cells and grape fragments
What is malolactic fermentation? - CORRECT ANSWER
>>>>Secondary fermentation that breaks down tart
malic acid into softer lactic acid.
How does MLF affect wine - CORRECT ANSWER >>>>It
softens and reduces acidity, creating buttery flavors
and producing CO2.
,3|Page
How can MLF be avoided - CORRECT ANSWER
>>>>Storage at cool temperature, the use of SO2 and
filtering out the bacteria.
What is chaptilization? - CORRECT ANSWER
>>>>Adding sugar from sources other than grapes to a
wine.
What aromas and flavors does oak provide? -
CORRECT ANSWER >>>>Toast, vanilla, smoke and
cloves.
Which climate requires more spraying of fungicides -
CORRECT ANSWER >>>>Maritime due to the high
rainfall during growing season.
How can you cure vine viruses - CORRECT ANSWER
>>>>No cure, eradicate by digging up vines and
sanitizing the land. Spread through cuttings or
nematodes.
What is a nematode? - CORRECT ANSWER
>>>>Microscopic worms that attack the roots of vine,
interfering with water and nutrient uptake. It can also
transmit vine viruses.
, 4|Page
What is green harvesting? - CORRECT ANSWER >>>>It
is a technique to managing yields by removing
immature grapes shortly after veraison.
What is the suitable planting density for very fertile
soil with sufficient rainfall? - CORRECT ANSWER
>>>>Low density planting using vines with multiple
cordons or canes.
What is the suitable planting density for low level of
soil nutrients and sufficient rainfall? - CORRECT
ANSWER >>>>High density with pruning to control the
number of buds.
What is a spur? - CORRECT ANSWER >>>>Short
sections of one-year-old wood that have been cut
down to only two or three buds.
What is a cane - CORRECT ANSWER >>>>Also called
Guyot, it is a longer section of one-year-old wood with
between 8-20 buds.
What is vertical shoot positioning? - CORRECT
ANSWER >>>>The vine's shoots are trained vertically
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