Explore topic-wise MCQs in Dairy Engineering.

This section includes 57 Mcqs, each offering curated multiple-choice questions to sharpen your Dairy Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Prices are based on which of the following in component pricing system?

A. Uniform skim milk price and uniform butter price
B. Value of butterfat, protein, and other solids
C. Total solids content
D. Total moisture content
Answer» C. Total solids content
2.

Which is not a consequence of season milk production is ________

A. Seasonal swings in price
B. Excess manufacturing capacity
C. Excess milk production in the spring
D. Season
Answer» E.
3.

________ is not a form of differentiation milk sellers use to separate themselves from competitors.

A. Physical product differentiation
B. Container differentiation
C. Advertising
D. Production
Answer» E.
4.

The leading cause of high bacteria counts in raw milk is _________

A. Younger cows
B. Poor sanitation
C. Older cows
D. BST
Answer» C. Older cows
5.

A dairy farmer who delivers “Grade A “or “bottling quality “milk to the processing plant is known as the __________

A. Handler
B. Producer
C. Order taker
D. Consumer
Answer» C. Order taker
6.

Milk from cows being treated with antibiotics should be withheld from the supply because:

A. Antibiotics curdle the milk
B. People are sensitive to antibiotics
C. They create high bacteria counts
D. They prevent proper cooling
Answer» C. They create high bacteria counts
7.

After milking a cow, the cows teats should be dipped ___________

A. after 2 minutes
B. after 1 minute
C. after 30 seconds
D. immediately
Answer» E.
8.

The tanker of milk must be checked for which of the following before it can be unloaded at a milk plant?

A. Antibiotics
B. Lactose
C. Fat
D. BST
Answer» B. Lactose
9.

Milk should be kept at ____ temperature as soon as it leaves the cow udder.

A. 15℃
B. 8℃
C. 6℃
D. 4℃
Answer» B. 8℃
10.

Milking is done by which of the following methods?

A. Hand Milking
B. Machine Milking
C. Hand Milking and machine milking
D. Shaking
Answer» D. Shaking
11.

What is not the justification for government involvement in the marketing of milk?

A. Price and Income support for Dairy farmers
B. Reduce price and income flexibility
C. Improve market power of farmers
D. To reduce the consumption
Answer» E.
12.

Major deductions on a dairy farmer’s milk check does not include:

A. Hauling
B. Federal advertisement/promotion
C. Cooperative/marketing fees
D. Seasonal loss
Answer» E.
13.

What is the purpose of a “milk check-off”?

A. To increase the milk price support
B. Determine if milk contains antibiotics
C. To pay for the generic advertising and research
D. To prevent spoilage
Answer» B. Determine if milk contains antibiotics
14.

Every month, regulated handlers file a report of milk receipts and utilization with the order market administrator. This information is used to determine:

A. Maximum price paid to processors
B. Minimum price paid to producers
C. Minimum price paid to processors
D. No price paid
Answer» C. Minimum price paid to processors
15.

Specific milk will not be rejected by the plant if the milk fails to meet requirements for which of the following?

A. Color and appearance
B. Sediment
C. Tests positive for drug residue
D. Acceptable pH
Answer» E.
16.

Mostly healthy open cows will start a new reproductive cycle every ______ days.

A. 5-7
B. 21-28
C. 30-34
D. 47-50
Answer» C. 30-34
17.

Name (General) for a class of bacteria that causes mastitis in dairy cattle.

A. lactococcus
B. staphylococcus
C. lactobacillus
D. E.Coli
Answer» C. lactobacillus
18.

Milk from a cow with mastitis will have__________

A. abnormal freezing point
B. a high somatic cell count
C. both abnormal freezing point and a high somatic cell count
D. abnormal boiling point
Answer» D. abnormal boiling point
19.

Generally, which breed produces the largest volume of milk?

A. Aryshire
B. Jersey
C. Holstein
D. Brown Swiss
Answer» D. Brown Swiss
20.

Percentage of water in buffalo milk is ____________

A. 65-67 %
B. 70-75 %
C. 80-85 %
D. 87-90 %
Answer» E.
21.

The primary Protein in Milk is ____________

A. Casein
B. Tryptophan
C. Lysine
D. Arginine
Answer» B. Tryptophan
22.

The major component in milk is _______

A. Protein
B. Water
C. Lactose
D. Fat
Answer» C. Lactose
23.

The Primary Milk carbohydrate is ____________

A. Leucine
B. Sucrose
C. Arginine
D. Lactose
Answer» E.
24.

The heritability of the traits for milk production is ____________

A. 15%
B. 25%
C. 55%
D. 100%
Answer» C. 55%
25.

The part of the mammary gland where milk is produced is called _____________

A. Capillary
B. Teat Cistern
C. Chine
D. Alveolus
Answer» E.
26.

The first milk the cow produces after calving is called __________

A. Lactate
B. Colostrum
C. Cream
D. Butter
Answer» C. Cream
27.

Amount of blood through udder needed for formation of 1 litre of milk __________

A. 100 litres
B. 200- 300 litres
C. 800- 900 litres
D. 500-600 litres
Answer» D. 500-600 litres
28.

After calving the cow gives milk for how many months __________

A. 2 months
B. 6 months
C. 10 months
D. 1 year
Answer» D. 1 year
29.

The gestation period for cow is __________

A. 9 months
B. 1 year
C. 2 year
D. 3 months
Answer» B. 1 year
30.

Which of the following would be classified as a “Hard Cheese”?

A. Brick
B. Monterey Jack
C. Cheddar
D. Brie
Answer» D. Brie
31.

_____ Hormone that needs to be released in order to start milking.

A. Oxytocin
B. Gastrin
C. Leptin
D. Tryoxin
Answer» B. Gastrin
32.

Dairy Rations for lactating cows should be not be calculated based on:

A. Body Size
B. Milk Production
C. Stage of lactation
D. Season
Answer» E.
33.

The dairy product resulting from the addition of a creaming mixture (dressing) that Contains not less than 4 percent milk fat and not more than 80 percent moisture?

A. Sorbet
B. Sherbet
C. Yogurt
D. Cottage cheese
Answer» E.
34.

While performing a CMT tests watch for color changes and gel formation. Milk from a normal quarter does which of the following?

A. Gelatinous mass clinging together in a strong reaction
B. Flows freely
C. Gel is fragile and forms small clumps in a moderate reaction
D. Has no pattern, simply is a randomly run test
Answer» C. Gel is fragile and forms small clumps in a moderate reaction
35.

A Mastitis test appearance with a strong gel formation that tends to adhere to paddle and forms a distinct central peak would have a Leukocyte count/ml of___________

A. Below 200,000
B. 150,000-500,000
C. 800,000-5,000,000
D. Over 5,000,000
Answer» E.
36.

As it comes from a cow, the solids portion of milk contains approximately 3.7 percent fat and ____ percent solids-not-fat.

A. 3%
B. 6%
C. 9%
D. 12%
Answer» D. 12%
37.

Of the listed below products, which contains no dairy ingredients?

A. Gelato
B. Sherbet
C. Custard
D. Sorbet
Answer» E.
38.

Of the 14 cheese varieties, which has a tangy peppery flavor, is crumbly and pasty, has a white interior with veins of mold that are marbled or streaked?

A. Muenster
B. Edam/gouda
C. Swiss
D. Blue
Answer» E.
39.

__________ is a dairy product resulting from the culturing of a mixture of milk and cream products, with lactic acid producing bacteria. The product contains not less than 3.25 percent milk fat and 8.25 percent solids-not-fat.

A. Ice cream
B. Yogurt
C. Cottage cheese
D. Gelato
Answer» C. Cottage cheese
40.

Milk contains 87 % water and the rest is solids and fats. Which of the following is not included as milk solid?

A. Protein
B. Water
C. Carbohydrate
D. Milk Fat
Answer» C. Carbohydrate
41.

Milk inadequately cooled may encounter this off flavor and is caused by improperly cleaned milking machines or equipment.

A. Malty
B. Foreign
C. Feed
D. Rancid
Answer» B. Foreign
42.

This off-flavor is a result of bacterial growth (commonly Streptococcus lactic) and will have detectable ________ flavor long before it may be classified sour.

A. High acid
B. Malty
C. Feed
D. Rancid
Answer» B. Malty
43.

This off-flavor is rarely found except in pasteurized milk that has been stored too long or stored at slightly high refrigerator temperature.

A. Foreign
B. Unclean
C. High acid
D. Feed
Answer» C. High acid
44.

Removing offending _____ from cows four hours before milking can reduce the risk of getting this off-flavor milk.

A. Bitter
B. Acid
C. Feed
D. Malty
Answer» D. Malty
45.

Off-flavor which is pungent in advanced stages and is recognized by its “papery” or cardboard sensation initially and a tallow odor in more advanced stages.

A. Malty
B. Foreign
C. Salty
D. Oxidized
Answer» E.
46.

MILK_INADEQUATELY_COOLED_MAY_ENCOUNTER_THIS_OFF_FLAVOR_AND_IS_CAUSED_BY_IMPROPERLY_CLEANED_MILKING_MACHINES_OR_EQUIPMENT.?$

A. Malty
B. Foreign
C. Feed
D. Rancid
Answer» B. Foreign
47.

A Mastitis test appearance with a strong gel formation that tends to adhere to paddle and forms a distinct central peak would have a Leukocyte count/ml of___________$

A. Below 200,000
B. 150,000-500,000
C. 800,000-5,000,000
D. Over 5,000,000
Answer» E.
48.

Removing_offending_______from_cows_four_hours_before_milking_can_reduce_the_risk_of_getting_this_off-flavor_milk.$

A. Bitter
B. Acid
C. Feed
D. Malty
Answer» D. Malty
49.

While_performing_a_CMT_tests_watch_for_color_changes_and_gel_formation._Milk_from_a_normal_quarter_does_which_of_the_following?

A. Gelatinous mass clinging together in a strong reaction
B. Flows freely
C. Gel is fragile and forms small clumps in a moderate reaction
D. Has no pattern, simply is a randomly run test
Answer» C. Gel is fragile and forms small clumps in a moderate reaction
50.

This off-flavor is a result of bacterial growth (commonly Streptococcus lactic) and will have detectable ________flavor long before it may be classified sour?

A. High acid
B. Malty
C. Feed
D. Rancid
Answer» B. Malty