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Milk Quality

Total questions: 150

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Low sodium cheddar cheese contains no more than ________ milligrams of sodium per pound of finished cheese.

a)

105

b)

46

c)

96

d)

56

2.

The somatic cell count standard for Grade A raw milk is ___________ or less per milliliter of milk.

a)

750,000

b)

1,000,000

c)

1,500,000

d)

500,000

3.

U.S. milk production in 2013, increased to over ________________ pounds of milk.

a)

1 billion

b)

100 billion

c)

10 billion

d)

200 billion

4.

One gallon of milk weighs approximately ___________ pounds

a)

7.8

b)

5.5

c)

8.6

d)

10.1

5.

_________________ dominate U.S. cheese production.

a)

Wisconsin and California

b)

Texas and California

c)

Texas and Florida

d)

New York and Wisconsin

6.

The cheese that has maximum moisture of 45 percent and a minimum of 45 percent fat and is a pasta filata cheese is _____________.

a)

swiss

b)

mozzarella

c)

provolone

d)

cheddar

7.

Cultured sour cream is required by federal standards to have a minimum of _______ percent fat.

a)

5

b)

10

c)

3.25

d)

18

8.

The best control of contagious mastitis is __________________.

a)

antibiotic teat dip

b)

iodine teat dip

c)

germicidal teat dip

d)

barrier teat dip

9.

HACCP is a voluntary management tool that milk plants participate in for the control of identified hazards and is based on ______ operating principles.

a)

10

b)

7

c)

5

d)

3

10.

As produced at the farm, milk from Holstein cows is expected to contain approximately ______ percent milkfat and ______ percent nonfat milk solids.

a)

8.7 , 2.7

b)

8.7, 3.7

c)

2.7 , 8.7

d)

3.7 , 8.7

11.

Adolescents have a recommendation of ________ milligrams of calcium per day.

a)

1,500

b)

1,300

c)

1,000

d)

1,200

12.

The leading U.S. state in butter production is _________.

a)

California

b)

New York

c)

Minnesota

d)

Wisconsin

13.

The Grade A Pasteurized Milk Ordinance (PMO) specifies requirements for the production of Grade A raw milk for pasteurization and is recommended by the ________________________.

a)

Small Business Administration

b)

United States Department of Agriculture

c)

National Committee on Milk

d)

Food and Drug Administration

14.

To reduce the feed flavor in milk to acceptable levels, cows should be removed from the offending feeds a minimum of ________ hours prior to milking.

a)

6-8

b)

2-4

c)

4-6

d)

1-2

15.

Butter is made from milk and/or cream and must contain a minimum of _______ percent fat.

a)

20

b)

50

c)

80

d)

5

16.

Butter will begin to lose some of its natural flavor after _____ at refrigerated temperatures.

a)

6 months

b)

2 years

c)

1 year

d)

2 months

17.

When a producer’s milk tests positive for a Beta Lactam drug, the authorities do not _______.

a)

investigate to determine the cause

b)

immediately suspend the producers Grade A milk permit

c)

enforce a penalty for the value of all the milk on the contaminated load, plus expenses

d)

forego permit suspension provided the milk is not sold as Grade A milk

18.

The correct primary taste sensation/causal agent combination is _________________.

a)

sweet-lactic acid

b)

salty-sugar

c)

bitter-quinine

d)

sour-table salt

19.

Cottage cheese from the grocery store must contain no less than ______ percent fat.

a)

.5

b)

4

c)

1

d)

2

20.

Federal milk marketing orders regulate the sale of ______ milk

a)

Grade A, B, and C

b)

Grade B

c)

Grade C

d)

Grade A

21.

The top three milk producing states for 2012 were __________________________.

a)

California, Wisconsin, and New York

b)

California, Wisconsin, and Idaho

c)

Illinois, California, and Wisconsin

d)

Missouri, Illinois, and Wisconsin

22.

The major reason milk from cows treated with antibiotics must be withheld from the milk supply is because _____________________.

a)

some humans are sensitive to antibiotics

b)

antibiotics kill some of the good bacteria found in milk

c)

antibiotics cause an off-flavor in milk

d)

antibiotics increase the somatic cell count of milk

23.

The _________ test is used to detect if milk has been pasteurized properly.

a)

coliform

b)

phosphatase

c)

lipase

d)

standard plate count

24.

Mozzarella makes up nearly______ percent of the total cheese production in the U.S.

a)

34

b)

43

c)

22

d)

28

25.

Approximately 18 percent of the total annual milk supply in the U.S. is to make ___________.

a)

ice cream

b)

butter

c)

cottage cheese

d)

yogurt

26.

A fluid milk product that contains at least 8.25 percent nonfat milk solids and no more than 0.5 gram of fat in a single 8 ounce serving is _________________.

a)

low-fat milk

b)

whole Milk

c)

reduced fat milk

d)

nonfat milk

27.

Some dairy food products have a 'REAL' seal on the package. This seal may not be placed on a package unless the product is _________________.

a)

imitation or substitute foods

b)

produced from NON-organic sources

c)

meeting federal standards

d)

produced from U.S. milk

28.

The total supply of milk is directly influenced by the _____________.

a)

amount of foreign exports

b)

cost of fat production

c)

number of manufacturing plants

d)

prices paid to milk producers

29.

About ______ percent of all the milk produced by U.S. dairy farmers is used to produce ice cream.

a)

9

b)

45

c)

35

d)

21

30.

The titratable acidity of milk that has been cooled properly usually ranges from __________ percent.

a)

.013 to 0.17

b)

.26 to .30

c)

1.3 to 1.7

d)

.13 to .17

31.

Salmonellosis infections are most common in cows that have calved within ________.

a)

2 days

b)

10 days

c)

50 days

d)

20 days

32.

The whey proteins in milk constitutes about ______ percent of the total protein found in milk.

a)

20

b)

15

c)

10

d)

18

33.

An imitation/substitute product by FDA definition meets all of the following statements except:

a)

Looks like the real product it represents

b)

Taste like the real product it represents

c)

Imitation/substitute products are not regulated by the FDA

d)

Has the same nutritional value as the real product in replaces

34.

The decision of a milk hauler to accept or reject milk at the farm _____________________________.

a)

must always be confirmed by acidity test

b)

depends on a knowledge of milk quality and ability to smell off odors

c)

is made the day before pickup is scheduled

d)

all of these

35.

The major cause of a salty flavor in milk is ______________________.

a)

a mastitis infection

b)

the large intake of salt by the cow

c)

bacterial action

d)

excessive sunlight exposure

36.

The two most common tests for determining milk quality are the _________________ test.

a)

flavor and titratable acidity

b)

somatic cell count and standard plate count

c)

standard plate count and color

d)

somatic cell count and odor

37.

The California Mastitis Test (CMT) asks that you use only the __________________.

a)

2nd stream during milking

b)

colostrum

c)

first stream during milking

d)

milk after dry-off

38.

Under Federal Milk Marketing Orders Class III milk is used to make _______________________.

a)

ice cream

b)

ripened cheeses

c)

butter and dry milks

d)

cottage cheese

39.

The largest increase in per capita consumption for any dairy product was in__________________.

a)

low-fat milk

b)

yogurt

c)

cheese

d)

ice cream

40.

Aflatoxins sometimes found in dairy feeds are produced by ____________.

a)

mold

b)

bacteria

c)

protozoa

d)

yeasts

41.

Quality checks of Grade A milk is ______________________.

a)

the first consideration in pooling milk

b)

a part of the testing by Market Administrators

c)

done by the milk processor

d)

a responsibility of the health authority

42.

The ___________ off-flavor of milk is not caused by bacteria.

a)

malty

b)

bitter

c)

yeasty

d)

salty

43.

By using a _________ with plastic beads of varying density, nonfat solids in milk can be rapidly estimated.

a)

humidoscope

b)

hydrometer

c)

polyscope

d)

lactometer

44.

Dry cream is produced by removing the water from pasteurized milk and/or cream. Dry cream is required to contain a minimum of _______ percent fat.

a)

18

b)

75

c)

40

d)

30

45.

Milk is a good source of all water-soluble vitamins except ______________.

a)

cyanocobalmin

b)

thiamine

c)

ascorbic acid

d)

riboflavin

46.

A cow's stomach has four compartments. The ___________ stomach compartment has the primary function of absorbing water and other substances from the digested contents?

a)

reticulum

b)

abomasum

c)

omasum

d)

rumen

47.

Milk that is used to make butter is class_______ milk under Federal Orders?

a)

II

b)

III

c)

I

d)

IV

48.

Heavy cream (whipping cream) contains a minimum milk fat of ____________ percent.

a)

36

b)

30

c)

10

d)

18

49.

It takes approximately ______ pounds of whole milk to make one pound of whole milk cheddar cheese.

a)

5

b)

13

c)

22

d)

10

50.

A dairy farm transitioning to certified organic production will require _______ years to complete the process.

a)

3

b)

7

c)

1

d)

5

51.

Mozzarella can have up to ______ percent moisture content and a maximum fat content of 45 percent .

a)

45

b)

60

c)

50

d)

39

52.

An example of value-added agriculture is _____________________.

a)

a farm that markets a "farm branded" cheese

b)

contracting your alfalfa early

c)

using a custom heifer raiser

d)

purchasing milk from a local producer

53.

The ________ off-flavor is seldom found except in pasteurized milk that has been stored too long.

a)

feed

b)

foreign

c)

high acid

d)

unclean

54.

The constant freezing point of milk is generally considered to be a negative _____________.

a)

0.502 degrees C

b)

0.508 degrees C

c)

0.500 degrees C

d)

0.517 degrees C

55.

A cow needs _________ pounds of water for every pound of dry matter consumed.

a)

4 to 5

b)

25 to 30

c)

1 to 2

d)

10 to 15

56.

Specific gravity of milk at 60F is __________ m/s2.

a)

1.042

b)

1.052

c)

1.032

d)

1.022

57.

A Milk Order, including pricing and other provisions, becomes effective only after approval of the ________.

a)

consumers

b)

Secretary of Agriculture

c)

milk processors

d)

dairy farmers

58.

One 8 oz. serving of milk has about ________ milligrams of calcium.

a)

90

b)

200

c)

150

d)

250

59.

The healthiest range for somatic cell counts is _____________.

a)

0-200,000

b)

5,000,000+

c)

200,000-400,000

d)

400,000-1,200,000

60.

The Babcock test is a rapid, simple, and accurate test for ______________ in milk.

a)

fat content

b)

nonfat milk solids content

c)

water

d)

titratable acidity

61.

The rules adopted by states to govern the production, processing, packaging and storage of Grade A milk are based on the _________________.

a)

Code of Federal Regulations

b)

USDA Rules and Regulations

c)

Pure Milk Act of 1937

d)

Pasteurized Milk Ordinance and Code

62.

One objective of a Federal Milk Order is to ______________________.

a)

assure consumers an adequate supply of pure, wholesome milk

b)

prevent surpluses of milk in the market place

c)

assure all dairy farmers an adequate income

d)

assure that all dairy plants receive an adequate supply of milk

63.

Mastitis has severe economic consequences. The high somatic cell count causes a decrease in cheese yield and the bacteria causes ____________ in lactose. (milk sugar)

a)

denaturation

b)

decrease

c)

gram-negative infection

d)

increase

64.

Total cheese production in the US reached almost _____________ pounds in 2015.

a)

12 billion

b)

20 million

c)

20 billion

d)

15 billion

65.

Suspension of a milk producer's Grade A permit can result after __________ previous bacterial counts exceed the standard.

a)

2 of 4

b)

3 of 5

c)

5 of 7

d)

4 of 6

66.

The _____________ is the length of time after processing during which a dairy product normally remians suitable for human consumption.

a)

code date

b)

product life

c)

package date

d)

shelf date

67.

Cottage cheese is a soft, unripened cheese with approximately _______ percent moisture content.

a)

60

b)

20

c)

80

d)

40

68.

One state that does not participate in the Federal Milk Marketing Order program but is considering a proposal to create a Federal Milk Order is ________________.

a)

California

b)

Minnesota

c)

New York

d)

Pennsylvania

69.

The enzyme _____________ is almost completely inactivated during pasteurization.

a)

acid glycerol

b)

lactose

c)

alkaline phosphatase

d)

FFA (Free Fatty Acid)

70.

The maximum moisture content of cheddar cheese is __________ percent.

a)

39

b)

12

c)

30

d)

23

71.

According to a report compiled by the Institute for Food Technologists, _________ is now America's favorite at-home snack.

a)

chocolate milk

b)

yogurt

c)

cheese

d)

ice cream

72.

Milk becomes the property of the buyer once____________________.

a)

the transport truck leaves the farm

b)

it is loaded into the transport truck on the farm

c)

the transport truck reaches the plant

d)

it is unloaded into the processor's bulk tanks

73.

For the maximum intake of calcium, one should consume _______________ milk.

a)

skim

b)

2 percent

c)

1 percent

d)

whole

74.

Federal definitions and standards of identity specify that whole milk contain not less than ______ percent milk fat and ______ percent solids-non-fat.

a)

3.00, 8.25

b)

3.50, 8.50

c)

3.50 ,8.00

d)

3.25, 8.25

75.

The main objection to dirt and milk stone on milker parts is it causes _____________________.

a)

poor appearance

b)

poor milker function

c)

vacuum fluctuations

d)

increased bacterial counts

76.

Milk used to make ice cream would be priced in a Federal Order class _______________.

a)

IV

b)

III

c)

II

d)

I

77.

The bulk milk hauler plays a critical role in milk handling but ________________ is not one of their duties.

a)

collecting a representative sample to be used for testing

b)

making sure equipment has been cleaned correctly

c)

examining the appearance of milk

d)

checking milk temperature

78.

Condensed milk on the grocery shelf may have _____________ added.

a)

minerals

b)

sugar

c)

cream

d)

salt

79.

The United States Government purchases surplus ______________ from the commercial market under the dairy price support program.

a)

ice milk, yogurt, cottage cheese

b)

butter, evaporated milk, ice cream

c)

cheese, nonfat dry milk, butter

d)

fluid milk products, butter, cheese

80.

A Federal Milk Marketing Order is not authorized unless two-thirds of the affected __________________ milk from/to the proposed marketing area approves its implementation.

a)

dairy cooperatives supplying

b)

producers supplying

c)

handlers processing

d)

cheese processors using

81.

The minimum fat content of cheddar cheese is ______________ percent.

a)

50

b)

33

c)

20

d)

40

82.

2. Compared to a Holstein cow, the average Jersey cow produces ___________ on a per-gallon of milk basis

a)

more fat but less total milk solids

b)

more fat and total milk solids

c)

less fat and total milk solids

d)

less fat but more total milk solids

83.

The national average milk production per cow is approximately ________ pounds per year.

a)

15,200

b)

24,400

c)

17,700

d)

21,700

84.

The actual cost of producing dairy products that is used in the Class III and IV pricing formula is called the ____________.

a)

milk-feed price ratio

b)

make allowance

c)

Federal Order Price

d)

cooperative bonus premium

85.

Approximately ______ percent of the 2015 U.S. milk supply was used to make cheese.

a)

10

b)

60

c)

50

d)

40

86.

Approximately ______ percent of the 2015 U.S. milk supply was used to make cheese.

a)

streak

b)

strip

c)

striated

d)

mesh

87.

A pooling method where, handlers with higher than average utilization pay into the pool and handlers with lower than average utilization receive payments from the pool, is called ____________.

a)

louisville take out/pay back

b)

producer settlement fund

c)

base excess pricing

d)

individual handlers pools

88.

Light whipping cream has a minimum of ______ percent milk fat.

a)

18

b)

40

c)

35

d)

30

89.

Most dairy cows are milked two or three times per day. On average, a cow will produce _______ pounds of milk each day

a)

51.6-64.5

b)

172.2-180.6

c)

8.6-17.4

d)

126-137.6

90.

Milk is produced from female's mammary glands. These mammary glands are examples of a __________ gland.

a)

absorbatory

b)

exocrine

c)

excretory

d)

adrenal

91.

A five day seven degree shelf life test does not check for ________________.

a)

the temperature at or near the maximum for milk storage

b)

psychotropic bacteria reproduces at the this temperature

c)

lower variability among cartons of milk

d)

meaningful data for control applications

92.

Milk that has been ultra-pasteurized is heated to ______ ?F or above for _______ seconds

a)

212, 3

b)

260, 2

c)

280, 2

d)

191, 2

93.

Dairy farmers receive _____ percent of the retail sale price of a half-gallon of milk

a)

46

b)

6

c)

16

d)

26

94.

Fluid milk accounts for ________ percent of the U.S. milk supply.

a)

25

b)

22

c)

15

d)

20

95.

Milk with extra water added to it can be detected by checking the __________ of the sample.

a)

titratable acidity

b)

sediment content

c)

freezing point

d)

acid degree value

96.

A bulk milk hauler detected a sour odor from the raw milk in a farm bulk tank. Upon further examination he/she is likely to find _______________________.

a)

the milk has been exposed to a sanitizer

b)

a high titratable acidity

c)

butter particles floating on the milk

d)

a high freezing point of the milk

97.

When a producer's three-month somatic cell count (SCC) rolling mean exceeds 400,000, a __________ request must be submitted to AMS in an effort to keep the milk eligible for export to the EU.

a)

degradation

b)

premium denial

c)

re-inspection

d)

derogation

98.

If vitamin A is added to milk, it must be at a level of no less than ________ international units (I.U.) per quart.

a)

2,000

b)

400

c)

1,500

d)

1,000

99.

. USDA projects that the number of dairy cows will _______________ by 2018 while milk production increases to 227 billion pounds.

a)

remain constant

b)

significantly increase

c)

gradually decrease

d)

gradually increase

100.

The top five states in the production of cheese accounted for almost ______ percent of the total U.S. cheese production.

a)

60

b)

80

c)

70

d)

50

101.

To remove fat from milking equipment an _________________ is used.

a)

acid cleaner in cold water

b)

alkaline cleaner in cold water

c)

acid cleaner in hot water

d)

alkaline cleaner in hot water

102.

Poor quality forage will cause a significant decrease in ______________.

a)

bacteria counts

b)

somatic count

c)

fat percentage

d)

casein percentage

103.

The two main proteins in milk are ____________ and ____________.

a)

casein, lactalbumin

b)

ascorbic, thiamin

c)

lactose, lactalbumin

d)

colgate, casein

104.

Although milk from the cow is processed, it is not an engineered or fabricated food and contains about ______ percent solids.

a)

87

b)

13.5

c)

13

d)

76

105.

Milk sold through commercial outlets is certified to be from herd's free of __________________.

a)

Bovine Somatrophin (B.S.T.)

b)

Tuberculosis (TB)

c)

Broken Udder Suspensory Ligaments (BSL)

d)

Displaced Abomasums (D.A.

106.

A process that makes milk more easily digested by those with sensitive digestive systems is ________________.

a)

pasteurization

b)

homogenization

c)

evaporation

d)

ionization

107.

Operating costs for Federal Milk Orders are paid by the _________________________.

a)

Federal Government

b)

State Department of Agriculture

c)

milk producers

d)

milk handlers

108.

Bacteria that survive heat treatment are said to be _______________.

a)

coliform

b)

psychotropic

c)

psychrophilic

d)

thermoduric

109.

The milking procedure recommended to flush potential mastitis-causing bacteria from the teat canal, allow you to observe early signs of clinical mastitis and help promote milk letdown is _______________.

a)

forestripping

b)

postdipping

c)

predipping

d)

towel drying

110.

The USDA food guide changed from a pyramid to a plate. When comparing the plate to the previous pyramid, ____________ are not specifically represented by their own category.

a)

grains

b)

dairy

c)

vegetables

d)

meats

111.

One test for antibiotics, a common adulterant of milk, is based upon the principle that the growth of bacteria is ___________ by them.

a)

stimulated

b)

enchanced

c)

inhibited

d)

magnified

112.

Ice cream must weigh a minimum of ______ pounds to the gallon.

a)

5.0

b)

3.5

c)

4.5

d)

5.25

113.

To defray the cost of Federal Orders, handlers are assessed ____ cents per hundredweight of milk received.

a)

2-5

b)

15

c)

7-10

d)

1-3

114.

Lactose is the principal ____________ in milk

a)

protein

b)

mineral

c)

fat

d)

carbohydrate

115.

The International Dairy Federation's (IDF) mission is to promote _______________________.

a)

scientific, cultural & economic progress

b)

scientific, technical & economic progress

c)

technical, scientific & industrial progress

d)

agricultural, technical & economic progress

116.

Determining _____________ is not an objective of milk evaluation

a)

whether one sample differs from another

b)

one brand of milk from another

c)

the presence of undesirable characteristics

d)

the presence of desirable characteristics

117.

Federal Milk Orders only regulate _____________.

a)

handlers

b)

retail store owners

c)

farmers

d)

truckers

118.

It takes approximately ____ pounds of skim milk to make one pound of non-fat dry milk.

a)

11

b)

12

c)

20

d)

10

119.

Farm water supplies must be protected from surface contamination. Water is usually tested for _________ as an indicator of possible sewage contamination.

a)

proteolytic bacteria

b)

lipolytic bacteria

c)

coliform bacteria

d)

psychotropic bacteria

120.

Five countries accounted for approximately ______ percent of the total U.S. dairy exports.

a)

59

b)

39

c)

69

d)

79

121.

The ___________ practice destroys 90 percent of BST found in milk.

a)

hormonization

b)

pasteurization

c)

reverse osmosis

d)

homogenization

122.

The top ten milk producing states in the U.S. account for over ______ percent of the total milk production.

a)

53

b)

73

c)

69

d)

59

123.

Federal Milk Marketing Orders provide or describe _________________________.

a)

sanitary standards used for Grade A milk

b)

payment made to milk producers for milk

c)

milk sold by farmers

d)

milk purchased by dealers

124.

Low-fat yogurt must have a minimum of ______ percent fat and a maximum of ______ percent fat

a)

1, 3.25

b)

1, 4

c)

.5, 2

d)

.5, 2.5

125.

it requires ______ pounds of milk to produce one gallon of gourmet ice cream.

a)

8

b)

16

c)

12

d)

24

126.

Most antibiotic screening tests to be approved for use, must detect ________ primary Beta Lactam drugs

a)

4 of 6

b)

3 of 4

c)

6 of 8

d)

8 of 12

127.

Farm marketing cooperatives have been in existence since the early ______.

a)

1980's

b)

1700's

c)

1800's

d)

1900's

128.

Some soft serve frozen dairy products have replaced milk fat with _______________.

a)

vegetable oil

b)

fruits

c)

peanut butter

d)

honey

129.

The exposure of hot milk or milk products to a reduced pressure to remove volatile substances, especially those that enter the milk from feed, is called _____________.

a)

infusion heater

b)

volume reduction

c)

vaporization

d)

vacuumization

130.

A good nutritional strategy to maintain milk production in hot weather is to ____________ in the ration.

a)

add more fat

b)

increase protein concentration

c)

add more water

d)

feed more grain

131.

Some streptococci that produce lactic acid also produce certain aldehydes, which impart a ________ flavor to milk.

a)

salty

b)

bitter

c)

metallic

d)

malty

132.

The most popular retail size container for fluid milk in the U.S. is a ________________.

a)

quart

b)

half gallon

c)

liter

d)

gallon

133.

A cryoscopy is an important tool used to test for _________________ in milk.

a)

protein

b)

butterfat

c)

added water

d)

antibiotics

134.

Most farm bulk milk tanks are designed for every-other-day (EOD) pickup and must cool 25 percent of the volume of the tank to ______ ?F within two hours after milking.

a)

70

b)

45

c)

60

d)

25

135.

Cows with ____________ have a higher incidence of mastitis because physical injury is more likely

a)

horns

b)

pendulous udders

c)

sickle hocks

d)

lower foot angles

136.

Dairy cows need a ______ day dry period for rejuvenation of secretory tissue and restoration of body condition.

a)

120

b)

90

c)

60

d)

30

137.

The marketing tool used in the futures market by someone who owns a commodity such as milk and intends to sell it sometime in the future is __________________.

a)

pooling contract

b)

short hedge contract

c)

basis contract

d)

speculating contract

138.

Wisconsin usually accounts for nearly ______ percent of the total cheese production in the U.S.

a)

20

b)

26

c)

16

d)

22

139.

Amino acids are commonly found in milk proteins, including the _______ essential amino acids

a)

7

b)

19

c)

12

d)

14

140.

Mastitis in milk _________________________________.

a)

has a direct effect on cheese yield

b)

increases protein content

c)

may cause increased rancidity

d)

decreases calcium content

141.

HACCP stands for ____________________.

a)

Hazard Analysis and Critical Control Points

b)

Help Animals in Confined Conditions and Preserves

c)

High Aptitude Critical Consideration and Punctuality

d)

High Altitude Computer Control Protocol

142.

To identify specific bacteria in a Standard Plate Count, a Preliminary Incubation Count is performed in which the sample is incubated for __________.

a)

32 hours for 48 degrees f

b)

48 hours for 32 degrees C

c)

18 hours for 5 degrees f

d)

18 hours for 55 degrees c

143.

The bacteria in milk which produces lactic acid responsible for the sour taste is ___________.

a)

Streptococci

b)

Psychrophilic

c)

coliform

d)

streptococcus

144.

An advantage of making processed cheese is its _____________.

a)

better taste

b)

marketability

c)

all of these

d)

extended shelf-life

145.

Dry milk can be stored for long periods of time provided it is _______________.

a)

in a sealed atmosphere of nitrogen or carbon dioxide

b)

in a cabinet

c)

in a refrigerated vaults

d)

at temperatures above 150 degrees

146.

A rancid flavor in milk is often caused by _____________________.

a)

extreme agitation of raw milk

b)

feeding haylage

c)

storing milk in the sunlight

d)

feeding high moisture corn

147.

Cream cheese is different from cottage cheese in that _________________________________.

a)

all of these are true for both cream cheese and cottage cheese

b)

cream cheese requires a started culture of bacteria and cottage cheese does not

c)

cream cheese is made from cows' milk and cottage cheese is not

d)

cream cheese is an acid curd and cottage cheese is not

148.

The per capita consumption of reduced and low-fat milk averages ________ pounds/year.

a)

32

b)

85

c)

50

d)

45

149.

Based on ice cream consumption figures, the second most popular flavor is _________________.

a)

chocolate

b)

strawberry

c)

cookies n' cream

d)

vanilla

150.

The country which averages the second largest production per cow behind the U.S. is __________.

a)

Canada

b)

Argentina

c)

Japan

d)

Australia