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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 | |