Composition of Meat, Types of Meat, Slaughtering, Tenderization and Curing
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Question No. 1
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What is the approximate
water content
in adult mammalian muscle tissue?
A.
90%
B.
50%
C.
60%
D.
75%
Question No. 2
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Which component constitutes approximately
19%
of meat composition?
A.
Carbohydrates
B.
Fat
C.
Water
D.
Protein
Question No. 3
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What is the typical
intramuscular fat content
in adult mammalian muscle?
A.
5%
B.
15%
C.
2.5%
D.
10%
Question No. 4
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Which type of meat protein is
soluble in water
or dilute salt solutions?
A.
Sarcoplasmic proteins
B.
Connective tissue proteins
C.
Myofibrillar proteins
D.
Collagen
Question No. 5
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What percentage of total muscle mass do
myofibrillar proteins
constitute?
A.
5.5%
B.
15%
C.
20%
D.
11.5%
Question No. 6
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Which two proteins are the
most abundant myofibrillar proteins
in meat?
A.
Myosin and actin
B.
Albumin and globulin
C.
Hemoglobin and myoglobin
D.
Collagen and elastin
Question No. 7
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What is the approximate
carbohydrate content
in meat?
A.
1.2%
B.
10%
C.
5%
D.
0.5%
Question No. 8
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Which mineral element is
most abundant
in meat composition?
A.
Iron
B.
Potassium
C.
Calcium
D.
Phosphorus
Question No. 9
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The main carbohydrate present in meat that plays a crucial role in
post-mortem changes
is:
A.
Glucose
B.
Glycogen
C.
Starch
D.
Cellulose
Question No. 10
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Which connective tissue proteins are
insoluble
in water or salt solutions?
A.
Collagen and elastin
B.
Actin and myosin
C.
Sarcoplasmic proteins
D.
Myofibrillar proteins
Question No. 11
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Meat obtained from
cattle
is classified as:
A.
Mutton
B.
Beef
C.
Venison
D.
Pork
Question No. 12
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What is the term for meat obtained from
young sheep
?
A.
Veal
B.
Chevon
C.
Lamb
D.
Mutton
Question No. 13
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Veal
is obtained from:
A.
Young goats
B.
Young sheep
C.
Young pigs
D.
Young calves
Question No. 14
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Meat from
pigs
is commercially known as:
A.
Pork
B.
Venison
C.
Mutton
D.
Beef
Question No. 15
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Steers
in beef classification are:
A.
Uncastrated male cattle
B.
Male cattle castrated while young
C.
Young calves under 3 months
D.
Female cattle that have borne calves
Question No. 16
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Which poultry type is
NOT
commonly classified under meat?
A.
Salmon
B.
Chicken
C.
Duck
D.
Turkey
Question No. 17
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Meat from
deer
is called:
A.
Venison
B.
Chevon
C.
Mutton
D.
Game meat
Question No. 18
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Which meat classification is based on the
tenderness and quality
of cuts?
A.
Prime cuts and secondary cuts
B.
Age of animal
C.
Source animal
D.
Cooking style
Question No. 19
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Offal
refers to:
A.
Game meat
B.
Prime cuts
C.
Edible organs
D.
Ground meat
Question No. 20
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Meat from
bulls
is generally considered:
A.
Most tender and preferred
B.
Tougher and less palatable
C.
Only suitable for veal
D.
The same as steer meat
Question No. 21
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The
three distinct stages
of livestock slaughter are:
A.
Cleaning, cutting, packaging
B.
Bleeding, skinning, evisceration
C.
Stunning, washing, cooking
D.
Preslaughter handling, stunning, slaughtering
Question No. 22
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The process of
bleeding animals
after stunning is called:
A.
Evisceration
B.
Scalding
C.
Dehairing
D.
Exsanguination
Question No. 23
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Hogs are typically stunned using:
A.
Electrical means or CO₂ gas
B.
High pressure
C.
Boiling water
D.
Mechanical stunning only
Question No. 24
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Why is
mechanical stunning NOT
generally used for hogs?
A.
It is ineffective
B.
It damages the hide
C.
It is too expensive
D.
It may cause blood splashing and PSE meat
Question No. 25
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The water temperature used for
scalding hog carcasses
is approximately:
A.
80-90°C
B.
30-40°C
C.
57-63°C
D.
100°C
Question No. 26
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Hogs are unique among livestock because during slaughter:
A.
The skin is left on the carcass
B.
They are not stunned
C.
The head is not removed
D.
No bleeding is required
Question No. 27
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The
viscera
removed during slaughter includes:
A.
The brain and spinal cord
B.
Only the kidneys
C.
The digestive system, liver, stomach, bladder, and intestines
D.
Only the heart and lungs
Question No. 28
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In the
Canpak system
of slaughter, the rate can reach:
A.
20-30 animals/hr
B.
200-300 animals/hr
C.
5-10 animals/hr
D.
50-150 animals/hr
Question No. 29
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After slaughter, hog carcasses are typically split and placed in a cooler for approximately:
A.
48 hours
B.
12 hours
C.
6 hours
D.
24 hours
Question No. 30
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The
pluck
removed during slaughter refers to:
A.
The skin and hide
B.
Thoracic contents including heart and lungs
C.
The intestines only
D.
The bones and cartilage
Question No. 31
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The
most widely used methods
for meat tenderization include:
A.
Only cooking methods
B.
Only mechanical methods
C.
Freezing and thawing only
D.
Mechanical, enzymatic, electrical, and thermal methods
Question No. 32
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During
mechanical tenderization
, tenderness is achieved by:
A.
Adding enzymes
B.
Adding acids
C.
Cooking at high temperature
D.
Disrupting meat structure and weakening protein network
Question No. 33
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Enzymatic tenderization
works by:
A.
Breaking bones
B.
Hydrolyzing meat proteins
C.
Removing fat
D.
Increasing salt content
Question No. 34
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Which plant enzyme is commonly extracted from
pineapple
for meat tenderization?
A.
Bromelain
B.
Zingibain
C.
Papain
D.
Ficin
Question No. 35
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The proteolytic enzyme from
ginger rhizome
is known as:
A.
Papain
B.
Zingibain
C.
Bromelain
D.
Ficin
Question No. 36
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During
aging or conditioning
, meat tenderization occurs through:
A.
Action of endogenous proteolytic enzymes like calpains and cathepsins
B.
Bacterial fermentation
C.
Chemical additives
D.
Addition of external enzymes only
Question No. 37
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Calpains
are enzymes that:
A.
Can degrade myofibrillar proteins except myosin and actin
B.
Cannot degrade any myofibrillar proteins
C.
Only work on collagen
D.
Require high temperatures
Question No. 38
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The optimum temperature range for
enzymatic tenderization
during cooking is approximately:
A.
20-30°C
B.
60-70°C
C.
40-50°C
D.
90-100°C
Question No. 39
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High pressure tenderization
can apply pressure up to:
A.
50 Megapascal
B.
10 Megapascal
C.
500 Megapascal
D.
150 Megapascal
Question No. 40
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Which of the following is an
advantage of enzymatic tenderization
compared to mechanical methods?
A.
It works only on fat
B.
It is more economical and healthy
C.
It requires no preparation
D.
It is faster
Question No. 41
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Blade tenderization
involves:
A.
Freezing and thawing
B.
Making incisions in meat with sharp blades
C.
Coating meat with enzymes
D.
Cooking at high temperature
Question No. 42
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The process of
tumbling or massaging
meat is classified as:
A.
Mechanical tenderization
B.
Enzymatic tenderization
C.
Chemical tenderization
D.
Thermal tenderization
Question No. 43
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Dry aging
of meat involves:
A.
Pressure treatment
B.
Holding carcasses above freezing point without packaging
C.
Quick freezing
D.
Immersing in brine solution
Question No. 44
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Which enzyme group present in
lysosomes
can degrade myofibrillar proteins during aging?
A.
Lipase
B.
Calpains
C.
Amylase
D.
Cathepsins
Question No. 45
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Ginger extract as a tenderizing agent has the
additional benefits
of:
A.
Antioxidant and antimicrobial properties
B.
Increasing fat content
C.
Reducing protein content
D.
Darkening meat color
Question No. 46
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The
primary purpose
of meat curing is:
A.
To remove fat
B.
To increase weight
C.
To increase protein content
D.
To preserve meat and develop characteristic color and flavor
Question No. 47
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In
dry curing
, ingredients are:
A.
Sprayed as mist
B.
Applied directly on meat surface
C.
Injected into meat
D.
Dissolved in water
Question No. 48
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In
immersion curing
, the curing ingredients are:
A.
Dissolved in water to form brine
B.
Injected with needles
C.
Applied as powder
D.
Not used
Question No. 49
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The generally used
salt level
in most cured meat products is:
A.
10-15%
B.
0.5-1%
C.
1.5-2%
D.
5-8%
Question No. 50
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The characteristic
pink color
in cured meat is due to:
A.
Sodium nitrite reaction with myoglobin
B.
Presence of blood
C.
High salt content
D.
Addition of food coloring
Question No. 51
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The USDA regulatory limit for sodium nitrite in
bacon
is:
A.
625 ppm
B.
120 ppm
C.
200 ppm
D.
50 ppm
Question No. 52
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Which additive is required in bacon production to
prevent nitrosamine formation
?
A.
Sodium ascorbate or erythorbate
B.
Garlic powder
C.
Sugar
D.
Phosphates
Question No. 53
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Sugar
in curing mixture serves to:
A.
Preserve meat only
B.
Tenderize meat
C.
Increase protein content
D.
Counteract harshness of salt and improve flavor
Question No. 54
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The conversion pathway in curing starts with sodium nitrate converting to:
A.
Direct color formation
B.
Salt compounds
C.
Sugar derivatives
D.
Sodium nitrite, then nitrous acid, then nitric oxide
Question No. 55
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Sodium nitrite
in curing performs which of the following functions?
A.
Increases water content
B.
Only adds flavor
C.
Only preserves meat
D.
Color fixation, flavor, inhibits Clostridium botulinum, retards lipid oxidation
Question No. 56
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A commonly used
curing salt mixture
contains:
A.
100% sodium nitrite
B.
25% sodium nitrite and 75% sodium chloride
C.
50% sodium nitrite and 50% sodium chloride
D.
6.25% sodium nitrite and 93.75% sodium chloride
Question No. 57
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Brining
requires a high concentration of:
A.
Sugar and vinegar
B.
Salt and water
C.
Oil and spices
D.
Enzymes and acids
Question No. 58
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The
advantages of curing
include:
A.
Improved shelf life, characteristic color/flavor, improved tenderness
B.
Increased fat content
C.
Removal of proteins
D.
Reduced shelf life
Question No. 59
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Pickle curing
involves:
A.
Injection only
B.
Smoking without salt
C.
Marinating or dipping in curing solution
D.
Dry salt application
Question No. 60
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Salt level in
dry cured hams
typically ranges from:
A.
10-15%
B.
1-2%
C.
5-8%
D.
2-3%
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