Wine Composition And Chemistry

Question 1

Which statement is false

Answer 1

The tart or sours and Sensation of acidity comes to us most strongly at the rear of our tongues

Question 2

Which is these sugars is unfermentable

Answer 2

Rhannose

Question 3

All wine has some residual sugar

Answer 3

T

Question 4

In a fine wine

Answer 4

Hi acid wines may benefit from a higher level of residual sugar for balance

Question 5

To create a wine with a substantial level of residual sugar

Answer 5

All the above

Question 6

Wine Sweetened with unfermented grape juice taste less sweet than wine in which the winemaker leaves residual sugar by arresting fermentation

Answer 6

T

Question 7

The average detection threshold for sugar and wine is 1%

Answer 7

F

Question 8

Which statement about acids is false

Answer 8

Grape acids include tartaric Malik and lactic

Question 9

Tartaric acid is

Answer 9

Rarely found in fruits other than grapes

Question 10

Which statement is true

Answer 10

The lower the pH the stronger the acidity

Question 11

The acudity of wine kills most bacteria

Answer 11

T

Question 12

Which is not a form of alcohol

Answer 12

Phenol

Question 13

Legs and tears in a wine glass are mostly alcohol

Answer 13

F

Question 14

Phenolic compounds

Answer 14

All the above

Question 15

Which statement about red wines is true

Answer 15

The more acidic the wine the redder it is

Question 16

High Tannin wines

Answer 16

May derive tannin in both from grapes in from Oak aging

Question 17

Which group is the most Tanic

Answer 17

Cabernet sauvignon

Question 18

Which statement is false

Answer 18

A tight grained oak imparts more tannin than a wide grained oak

Question 19

Which statement is true

Answer 19

None of the above

Question 20

Yeast fermentation causes bio chemical esters to form during the winemaking process

Answer 20

T

Question 21

Which statement about esters is correct

Answer 21

As acids link with alcohol is the perception of wine acidity diminishes even though the total acidity remains constant

Question 22

Lactic acid

Answer 22

Is created by yaest during the first fermentation