MICR 4003 Exam 4/5
Most hops in the US are grown in which
h state - answers-Washington
Which segment of the brewing industry uses the highest percentage of hops in their
beer - answers-US craft brewers
Hops are in the same family as what other well known plant - answers-Marijuana
The essential oils, myrcene and humulene have what property - answers-Analgesic
Anti-tumor
Anti-inflammatory
The bubbles in Guinness appear to fall, rather than rise. Why? - answers-Bubbles
actually rise in the middle of the glass creating a convection that forces bubbles down
the sides of the glass
What is not an alpha-acid - answers-Melanoidin
What is not an anatomical structure of hops - answers-Leaf
The tannins (phenolic acids) in hops are found in which anatomical structure - answers-
Strig
In which anatomical structure of hops are the essential oils found - answers-Lupulin
glands
(T/F) The alpha-acids must be converted during the boil to iso-alpha-acids to become
soluble and thereby impart bitterness to the beer - answers-True
The beta-acids must be _____ to become bitter - answers-Oxidized
The essential soils, e.g., myrcene, provide which properties to beer - answers-Aroma
(T/F) Terpenes are volatile, so hops that are added at the beginning of the boil are
those that contribute the most aroma to the beer - answers-False
Alpha- and beta-acids provide preservative properties to beer because they - answers-
Carry protons into the cell, acidifying the cytoplasm
, (T/F) Hops breeders are not concerned about varietals and pest resistance - answers-
False
Hops are dioecious plants, so male plants are not allowed in hop yards as a means to
prevent - answers-Seed formation
Rhizomes are cloned rather than planted from seed as a means to prevent - answers-
Genetic variation
How long does it take a newly planted hop yard to reach maximum production -
answers-5 yr
(T/F) Training of hop vines takes place twice in May and is a very labor intensive
process - answers-True
In large hop yards the hops are harvested and processed by - answers-Machine
Hops are dried with hot air in a kiln for 8-10 hour, then they are - answers-Cooled
It is important for harvested hops to be stored in the cold because they - answers-
Quickly lose their flavor and aroma at room temperature
(T/F) Water is the least complicated ingredient in beer - answers-False
The water used to brew beer on the East Coast of the US is - answers-Obtained from
local aquifers
Water is a polar molecule. The hydrogens are ____ and the oxygen is _____ - answers-
Slightly positive
Slightly negative
Being a polar molecule, water - answers-Forms hydrogen bonds between adjacent
molecules
Ionizes ionic compounds such as sodium chloride
Has surface tension
Water ionizes to form ____ and ____ - answers-Hydronium
Hydroxide
One reason that water is so _____ is because it interacts with just about everything -
answers-Complicated
When alcohol is expressed by volume (ABV), that means - answers-ml alcohol per 100
ml of beer
Most hops in the US are grown in which
h state - answers-Washington
Which segment of the brewing industry uses the highest percentage of hops in their
beer - answers-US craft brewers
Hops are in the same family as what other well known plant - answers-Marijuana
The essential oils, myrcene and humulene have what property - answers-Analgesic
Anti-tumor
Anti-inflammatory
The bubbles in Guinness appear to fall, rather than rise. Why? - answers-Bubbles
actually rise in the middle of the glass creating a convection that forces bubbles down
the sides of the glass
What is not an alpha-acid - answers-Melanoidin
What is not an anatomical structure of hops - answers-Leaf
The tannins (phenolic acids) in hops are found in which anatomical structure - answers-
Strig
In which anatomical structure of hops are the essential oils found - answers-Lupulin
glands
(T/F) The alpha-acids must be converted during the boil to iso-alpha-acids to become
soluble and thereby impart bitterness to the beer - answers-True
The beta-acids must be _____ to become bitter - answers-Oxidized
The essential soils, e.g., myrcene, provide which properties to beer - answers-Aroma
(T/F) Terpenes are volatile, so hops that are added at the beginning of the boil are
those that contribute the most aroma to the beer - answers-False
Alpha- and beta-acids provide preservative properties to beer because they - answers-
Carry protons into the cell, acidifying the cytoplasm
, (T/F) Hops breeders are not concerned about varietals and pest resistance - answers-
False
Hops are dioecious plants, so male plants are not allowed in hop yards as a means to
prevent - answers-Seed formation
Rhizomes are cloned rather than planted from seed as a means to prevent - answers-
Genetic variation
How long does it take a newly planted hop yard to reach maximum production -
answers-5 yr
(T/F) Training of hop vines takes place twice in May and is a very labor intensive
process - answers-True
In large hop yards the hops are harvested and processed by - answers-Machine
Hops are dried with hot air in a kiln for 8-10 hour, then they are - answers-Cooled
It is important for harvested hops to be stored in the cold because they - answers-
Quickly lose their flavor and aroma at room temperature
(T/F) Water is the least complicated ingredient in beer - answers-False
The water used to brew beer on the East Coast of the US is - answers-Obtained from
local aquifers
Water is a polar molecule. The hydrogens are ____ and the oxygen is _____ - answers-
Slightly positive
Slightly negative
Being a polar molecule, water - answers-Forms hydrogen bonds between adjacent
molecules
Ionizes ionic compounds such as sodium chloride
Has surface tension
Water ionizes to form ____ and ____ - answers-Hydronium
Hydroxide
One reason that water is so _____ is because it interacts with just about everything -
answers-Complicated
When alcohol is expressed by volume (ABV), that means - answers-ml alcohol per 100
ml of beer
