Engineering Questions with Answers - Multiple Choice Questions
Primary Production of Milk Engineering MCQs
1 - Question
What is the father of a calf called?
a) bull
b) cow
c) calf d) vache
View Answer
Explanation: The mature male of the species is called a ‘bull’. It is the father of calf.
2 - Question
What are the tiny cells in a cows udder called?
a) Alveoli
b) Hind
c) Leg
d) Nipple
View Answer
Explanation: An alveolus is composed of a single layer of epithelial cells surrounding a lumen, another section of lactating mammary tissue from a cow. They are tiny cells in cow udder.
3 - Question
What is another name for Vitamin C?
a) tartaric acid
b) ascorbic acid
c) tannins
d) malic acid
View Answer
Explanation: Vitamin C is also known as ascorbic acid. It is present in citrus fruits.
4 - Question
Which direction should the show person walk in relation to the cow?
a) forward
b) parallel
c) backward
d) front
View Answer
Explanation: The person should walk in a clockwise direction in the ring. It is advised to walk backward as compared to cow during the show.
5 - Question
What is the weight of a newborn calf?
a) 70-100 pounds
b) 120 pounds
c) 50-60 pounds
d) 20 pounds
View Answer
Explanation: New born calf weighs around 70-100 pounds. Weight is dependent on nutrition during pregnancy and breed etc.
6 - Question
The Ayrshire breed of dairy cow first came from what country?
a) Netherlands
b) New Zealand
c) USA
d) Scotland
View Answer
Explanation: The Ayrshire breed is originally from County Ayr, Scotland, before 1800. The adult Ayrshire cow weighs more than 450 to 600 kilograms (990–1,320 lb).
7 - Question
The choice of animals to be parents of each new generation. Involves culling cows and selecting bulls is called?
a) classification
b) selection
c) mixing
d) breeding
View Answer
Explanation: Classification is the practice which involves culling and selection of bulls. It helps in the choice of parents of each new generation.
8 - Question
What hormone is important in the milking process?
a) Oxytocin
b) Thryoxine
c) Tri-iodothyronine
d) Parathyroid hormone
View Answer
Explanation: Before milking, less than 20% of the milk yielded by dairy cows is stored within the cistern, where it is immediately available for removal. Most of the milk is available for the milking machine only after milk ejection, which occurs in response to tactile teat stimulation and oxytocin release.
9 - Question
The lack of which vitamin causes rickets?
a) vitamin A
b) Vitamin E
c) Vitamin D
d) Vitamin K
View Answer
Explanation: Lack of vitamin D results in reduced absorption of calcium and phosphorus. Difficulty maintaining proper calcium and phosphorus levels in bones can cause rickets. Symptoms include delayed growth, bow legs, weakness and pain in the spine, pelvis and legs.
10 - Question
When showing calves and heifers where should the hind foot nearest the judge be when the animal is posed?
a) one half step back
b) no space
c) 2 steps back
d) 3 steps back
View Answer
Explanation: When posing and showing a dairy animal, stay on the animal’s left side and stand. For cows and springing heifers, the hind leg nearest the judge should be. Hind foot must be one and a half foot back.
11 - Question
What are the two methods calves can acquire protection against disease? I. Passive immunity from absorption of antibodies found in first milk colostrums II. active immunity in which the calf manufactures its own antibodies
a) I only
b) None
c) II only
d) I and II
View Answer
Explanation: There are two ways to acquire immunity i.e. active immunity and passive immunity. Passive immunity from absorption of antibodies found in first milk colostrums, active immunity in which the calf manufactures its own antibodies.
12 - Question
What is a calf over six months of age called?
a) adult
b) mature
c) heifer
d) bull
View Answer
Explanation: Heifer is a young cow over one year old that has not produced a calf. Heifers are female cows that have not yet given birth to a calf. Farmers can raise heifers for dairy or for meat.
13 - Question
When considering sire selection, what does repeatability measure?
a) accuracy of sire’s Predicted Difference(P.D.)
b) efficiency
c) totality
d) result
View Answer
Explanation: Accuracy of sire’s PD plays an important role during sire selection. It measures repeatability.
14 - Question
What management practice helps prevent navel ill in newborn calves?
a) dipping foot
b) dipping navel in iodine
c) ethylene treatment
d) milking
View Answer
Explanation: – Consistent use of navel dip for newborn heifer calves using a recommended protocol. This practice helps preventing infection in the newborn.
15 - Question
What is the condition called which results from a lack of Vitamin E in the diet?
a) black muscle disease
b) grey muscle disease
c) white muscle disease
d) brown muscle disease
View Answer
Explanation: Nutritional muscular dystrophy (NMD) or white muscle disease is caused by a deficiency of vitamin E, selenium.
16 - Question
When showing cows, where should the hind foot nearest the judge be when the animal is posed?
a) two steps back
b) one half step forward
c) three step back
d) lying down
View Answer
Explanation: The hind leg nearest the judge is posed slightly behind the other about the distance of one half steps forward. Animal should be trained so the exhibitor can move quickly and easily into the correct pose. Face animal uphill, if possible, with her front feet on a slight incline.
17 - Question
At what age should a brucellosis vaccination be given to a calf?
a) 2-6 months
b) 3 months
c) 12months
d) 8 months
View Answer
Explanation: For active immunization of female cattle calves and buffalo’s calves against Brucella abortus infection brucellosis vaccination should be administered. It should be administered at the age of 2-6 months.
18 - Question
What is a group of dairy cattle called?
a) flock
b) troop
c) group
d) herd
View Answer
Explanation: Herd is a large group of animals, especially hoofed mammals that live together or are kept together as livestock.
19 - Question
What are two important sire selection tools?
a) Predicted Difference and repeatability
b) Predicted life
c) Predicted death
d) Predicted age
View Answer
Explanation: Bull selection presents an important opportunity to enhance profitability. Predicted difference and repeatability are two very important sire selection tools.
20 - Question
What are two ways to identify a calf? I. photos or color sketches II. freeze bands, ear tags III. neck chain, ankle straps
a) I only
b) II only
c) II and III
d) I, II, III
View Answer
Explanation: Photos, color sketches help in calf identification. Freeze bands, ear tags, neck chains and ankle chains also aid in identifying the calf.
21 - Question
What is the largest single part of all living things?
a) protein
b) nutrients
c) water
d) skin
View Answer
Explanation: Body is made up of approximately 80% water. It is the largest portion of any living body.
22 - Question
When posing a dairy cow, why are the back legs set up so the one nearest the judge is one half steps forward?
a) rear and fore udder attachment
b) torso
c) calf
d) limbs
View Answer
Explanation: When posing and showing a dairy animal, stay on the animal’s left side and stand. For cows and springing heifers, the hind leg nearest the judge should be. Hind foot must be one and half foot back.
23 - Question
An IBR-PI, pneumonia vaccination should first be given to a calf at what month of age?
a) 3months
b) 4 months
c) A year
d) 8 months
View Answer
Explanation: – Mostly a disease of older cattle but may contribute to calf pneumonia on IBR positive farms. All cattle and calves can be given a live vaccine in the face of an outbreak. The vaccine should be administered 4 months after birth.
24 - Question
What is a baby dairy cow called?
a) baby
b) cochon
c) calf
d) shamp
View Answer
Explanation: A calf (plural, calves) is the young of domestic cattle. Calves are reared to become adult cattle or are slaughtered for their meat, called veal, and for their calf skin.
25 - Question
Who calculates the official USDA DHIA Sire Summary?
a) USDA
b) UFSA
c) UUA
d) WHO
View Answer
Explanation: USDA-DHIA Sire Summaries are published semiannually and provide the dairy industry with an accurate evaluation of the transmitting ability of bulls for milk and milk components. It is calculated by the USDA.
26 - Question
How long the cherry hot electric dehorning iron should be applied to each horn button on a calf?
a) 10-15 sec
b) 15-20 sec
c) 1 min
d) 2 min
View Answer
Explanation: Cherry hot electric dehorning iron is used to remove horns from cattle using the hot-iron method. It should not be applied for more than 10-15 sec.
27 - Question
What nutrient acts as a lubricant and regulates body heat?
a) Vitamin A
b) Protein
c) Water
d) Minerals
View Answer
Explanation: Water is the best lubricant in a human body, It also acts as an excellent heat regulator in the body.
28 - Question
How should all movements and positioning of a dairy animal and her feet be accomplished?
a) halter command
b) feet pushing
c) body pushing
d) hand pushing
View Answer
Explanation: Training an animal to lead by halter, this is required at shows and fairs. The latter involves unspoken and verbal commands between your animal and the master.
29 - Question
How many months prior to breeding a heifer should both leptospirosis and vibriosis vaccinations be given?
a) 1-2 prior to breeding
b) 3-4 prior to breeding
c) 4-5 prior to breeding
d) 6-7 prior to breeding
View Answer
Explanation: Vibriosis vaccine is often combined with Leptospirosis in one vaccine. The use of artificial insemination is also valuable in limiting disease spread. It should be administered 1-2 months prior to breeding a heifer.
30 - Question
What is the most common of all dairy foods?
a) Butter
b) Curd
c) Cheese
d) Milk
View Answer
Explanation: Milk is the most common dairy food. It is the basic raw material of several other dairy products.