VEN 003 MIDTERM EXAM 2022-2023 |ACTUAL COMPLETE
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS)ALREADY GRADED A+.
A "dry" wine: - ANSWER -contains no perceptible sugar- no more
sugar within the wine
Which is NOT true about tannins? - ANSWER -They are found in the
grape pulp
+What are tannins? - ANSWER -Contribute to astringency (bitterness)
of wine
Naturally occurring polyphenols
Found in the seeds
The highest Federal excise tax on wine is on - ANSWER -Sparkling
Wine
According to OIV Data, in 2020 the three countries with the most
vineyard area were ______, _____. and _____ and __________
produced the most wine - ANSWER -Spain, France, China, Italy
Country that consumed the largest volume of wine - ANSWER -U.S.A
The most widely planted Vinifera grape variety in 2018 was - ANSWER
-Cabernet Sauvignon
,Pinot Noir - ANSWER -Red Wine
Traditionally Not blended
Very Sensitive to climate
Very old Cultivar
Low levels of tannin and color
From Burgundy
Strawberry Cherry Aroma
Relatively Pale color
Direct Producers - ANSWER -Crossed between Vinifera and other
Vitis species
Not Grafted vines
RESISTANCE TO PHYLLOXERA
Illegal in Europe
Developed by french scientists
Phylloxera - ANSWER -Insect that attacks grapevine roots
Phylloxera - ANSWER -Insect that attacks grapevine roots
Injects poison on sap of roots
Most important fungal disease for California vineyards - ANSWER -
Powdery Mildew
A day in Davis in June with a high of 90F and a low of 60F would
contribute how many degree days to the grapevine? - ANSWER -25
, Two major acids in grapes - ANSWER -Tartaric and Malic
Which red variety of V. vinifera would grow best in a Region I climate?
- ANSWER -Pinot Noir
A 10 acre vineyard that produces 5 tons per acre would produce
approximately how many bottles of wine? - ANSWER -40,000
French chemist, Louis Pasteur, is noted for what discovery relating to
winemaking? - ANSWER -Fermentation results from yeast
How do we describe sugar in grapes or juice? - ANSWER -Degrees
Brix
Respiration - ANSWER -Produces more energy for cell growth
Produces water as end product
Produce CO2
Fermentation - ANSWER -Does not require O2
Produces alcohol, Heat, more yeast, and CO2
Main organism used to ferment grape juice to wine. - ANSWER -
Saccharomyces cerevisia
What is not produced during alcoholic fermentation - ANSWER -
Diacetyl
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