Explore topic-wise MCQs in Dairy Engineering.

This section includes 75 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.

How often do most heifers and cows come into heat?

A. every 18- 24 days
B. every 15 days
C. every 4 days
D. everyday
Answer» B. every 15 days
2.

How will a heifer act when she is in standing the heat?

A. still and permit other animals to mount her
B. agitated
C. rolling
D. lay down
Answer» B. agitated
3.

What does PDCA stand for?

A. pure dairy culling association
B. Pure dairy cattle area
C. Purebred dairy cattle association
D. Plant dairy cattle area
Answer» D. Plant dairy cattle area
4.

What is the average length of standing heat?

A. 10 hours
B. 4 hours
C. 18 hours
D. 20 hours
Answer» D. 20 hours
5.

What dairy product is made by heating milk along with a substance called rennet?

A. milk
B. curd
C. cheese
D. butter
Answer» D. butter
6.

On the Dairy Cow Unified Score Card, what is not the part of the four divisions?

A. age
B. general appearance
C. dairy character
D. udder
Answer» B. general appearance
7.

What are dairy animals that are officially recorded in the breed association herd book called?

A. unregistered animal
B. token animal
C. unlicensed animal
D. registered animal
Answer» E.
8.

What are two pieces of information not kept in the Herd Book kept by the breed association?

A. animals registration name, birth date
B. registration name and number of its sire and dam
C. name of the breeder and birth date
D. no of udders and skin color
Answer» E.
9.

What type of soap should be avoided when washing a dairy cow?

A. fragrant soap
B. soap with antimicrobial activity
C. soap with herbal treatment
D. soap with detergent
Answer» E.
10.

The back of a dairy cow is made up of what two parts?

A. chine and loin
B. udder and skin
C. chine and udder
D. loin and bone
Answer» B. udder and skin
11.

Most of what ingredient is removed from skim milk?

A. protein
B. carbohydrate
C. mineral
D. Fat
Answer» E.
12.

When the judge is observing the left side of the dairy cow, where should the exhibitor be positioned?

A. backward
B. parallel
C. horizontal
D. in front of the cow
Answer» E.
13.

What is one of the two major reasons a cow would be forced culled?

A. Poor health
B. Mastitis
C. Poor health and Mastitis
D. Healthy cow
Answer» D. Healthy cow
14.

What are two common baby calf diseases?

A. fever
B. typhoid
C. scour and pneumonia
D. allergies
Answer» D. allergies
15.

What is not an example of sources of grain protein supplements?

A. Soybean
B. Cottonseed
C. Linseed oil meal
D. Coconut oil
Answer» E.
16.

What two vitamins is milk high in?

A. A and D
B. K
C. E
D. C
Answer» B. K
17.

What is the minimum crude protein a good milk replacer should contain?

A. 10%
B. 24%
C. 15%
D. 35%
Answer» C. 15%
18.

Name the body parts considered when evaluating dairy character?

A. legs
B. calf
C. udder
D. neck
Answer» E.
19.

How many points are given to General Appearance on the Dairy Cow Unified Score Card?

A. 10 points
B. 20 points
C. 35 points
D. 40 points
Answer» D. 40 points
20.

What is the average percent protein in cow’s milk?

A. 2.5%
B. 3.5%
C. 5%
D. 6%
Answer» C. 5%
21.

What is the name of cheese with holes?

A. cheddar
B. cottage
C. blue
D. swiss
Answer» E.
22.

What form of milk is made by the churning of whipping cream?

A. cream
B. ghee
C. curd
D. butter
Answer» E.
23.

What is the reproduction cells from the two parents called?

A. egg and ovule
B. ovule and sperm
C. egg and sperm
D. steroid and egg
Answer» D. steroid and egg
24.

What is considered nature’s most perfect food?

A. butter
B. milk
C. yogurt
D. wheat
Answer» C. yogurt
25.

When should one start recording a heifers heat periods?

A. 2-3 months before she should be bred
B. 3-4 months before she should be bred
C. 4-5 months before she should be bred
D. 1-2 months before she should be bred
Answer» B. 3-4 months before she should be bred
26.

Extra amounts of what vitamin are usually added to milk?

A. vitamin K
B. vitamin C
C. vitamin D
D. vitamin A
Answer» D. vitamin A
27.

What is an example of a non protein nitrogen (NPN) used as a protein source in dairy feeds?

A. nitrogen
B. phosphorus
C. magnesium
D. urea
Answer» E.
28.

What are the two types of dairy foods?

A. juice and cream
B. juice and cheese
C. cheese and yogurt
D. soda and cola
Answer» D. soda and cola
29.

What is the expected daily weight gain of a Holstein heifer calf from 200-800 pounds?

A. 1.5 pounds per day
B. 1.65 pounds per day
C. 1 pound per day
D. 2 pound per day
Answer» C. 1 pound per day
30.

Which vitamin helps to stop bleeding by clotting the blood?

A. vitamin A
B. vitamin K
C. vitamin C
D. vitamin D
Answer» C. vitamin C
31.

Name a piece of equipment used to fit a dairy animal.

A. clipper
B. towel
C. feather
D. bells
Answer» B. towel
32.

What is the name of the milk sugar found only in milk?

A. Sucrose
B. Galactose
C. Lactose
D. Fructose
Answer» D. Fructose
33.

Which of the following is not a variety of cheese?

A. blue
B. cheddar
C. buttery
D. cottage
Answer» D. cottage
34.

What is a measure of the average additional pounds of milk and fat the bull will transmit to his daughters called?

A. Predicted difference
B. Age
C. Efficiency
D. Milking capacity
Answer» B. Age
35.

How much does a bushel of shelled corn weigh?

A. 20 pounds
B. 30 pounds
C. 40 pounds
D. 50 pounds
Answer» E.
36.

In relation to the grain of the hair, which direction should the tail be clipped?

A. opposite to grain of the hair
B. with the grain of the hair
C. parallel to grain of the hair
D. no relation
Answer» C. parallel to grain of the hair
37.

What is the advantage of blending colostrums from different cows?

A. wider range of antibodies
B. wider flavor range
C. enhanced taste
D. unhealthy
Answer» B. wider flavor range
38.

What is the sire rating for milk of a sire with a predicted difference of above 2000?

A. super less
B. super extra
C. super
D. extra
Answer» C. super
39.

What is a dairy animal called which has parents or ancestors of different breeds?

A. herm
B. calf
C. same bred
D. cross bred
Answer» E.
40.

What’s the major reason a cow may be culled by choice?

A. high production
B. diseases
C. low production
D. healthy
Answer» D. healthy
41.

Urea should not be fed to a calf until it is how old?

A. 3-4 months
B. 2 months
C. 1 month
D. 10days
Answer» B. 2 months
42.

How much should a calf gain the first month?

A. 1 pound per day
B. Half pound per day
C. 3 pounds per day
D. 5 pounds per day
Answer» B. Half pound per day
43.

What is the process called when a calf is switched from milk or milk replaced to water and dry feed?

A. fertilization
B. culling
C. breeding
D. weaning
Answer» E.
44.

How many points does dairy character receive on the Dairy Cow Unified Score Card?

A. 10
B. 15
C. 20
D. 30
Answer» D. 30
45.

Before entering the show ring, what is a question that the exhibitor should be prepared to answer about the animals?I. Birth date and sireII. Dam and breeding rateIII. Date use to calveIV. Age

A. I. and II
B. II. And III
C. I, II, III, and IV
D. IV only
Answer» D. IV only
46.

What role does fiber have in the calf starter ration?

A. digestion
B. metabolism
C. respiration
D. heat tolerance
Answer» B. metabolism
47.

What is the condition in which large amounts of gas are trapped in a calf’s stomach and the stomach gets big?

A. Float
B. Tloat
C. Bloat
D. Piles
Answer» D. Piles
48.

What is the organ that produces cow’s milk called?

A. limb
B. rumen
C. calf
D. udder
Answer» E.
49.

What is a sign that a heifer is coming into heat?

A. Attempt to go under leaves
B. Calm
C. Itchy
D. Attempts to mount other animals
Answer» E.
50.

At what age should a heifer have her first calf?

A. 12 months
B. 8 months
C. 24 months
D. 9 months
Answer» D. 9 months