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Dairy Engineering MCQ

1. What is an indicator of growth?

Quarterly Growth

Monthly Growth

Monthly Gain

Daily Gain

Answer

Correct Answer: Daily Gain

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2. What is the name of the device that senses the end of milk flow in the milking machine?

Milk sensor

Automatic take-off

Automatic auger

Sensor

Milk jug

Answer

Correct Answer: Automatic take-off

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3. What is one example of a product that uses an aseptic packaging method to protect its quality?

Ham

Salad mix

Sterile milk products

Pet food

Antibiotic ointment

Answer

Correct Answer: Sterile milk products

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4. Aseptic packaging is used to provide what type of quality?

Equal

Poor

Improved

Uniform

Answer

Correct Answer: Improved

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5. What type of packaging is used to provide improved keeping quality for sterile milk products?

Carton packaging

Sterile packaging

Bottled water packaging

Aseptic packaging

Low-density polyethylene (LDPE) packaging

Answer

Correct Answer: Aseptic packaging

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6. Aseptic food is stored without being refrigerated, which means it can be stored for how long?

Short shelf-life

Long shelf-life

No shelf-life

Answer

Correct Answer: Long shelf-life

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7. What does "as fed" mean?

As prescribed by a veterinarian

Feed as it is consumed by an animal

Supplying a balanced diet to livestock

Feed produced in accordance with government regulations

As specified by the U.S. Food and Drug Administration

Answer

Correct Answer: Feed as it is consumed by an animal

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8. In what context is "fed" used?

When it is injected into an animal

As it is consumed by an animal

As the result of providing food or water to livestock

As the plural form of

To produce milk for a cow

Answer

Correct Answer: As it is consumed by an animal

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9. What does AI mean?

Autonomous intelligence

Automatic irrigation system

Assistant instructor

Artificial insemination

Aids in intelligence

Answer

Correct Answer: Artificial insemination

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10. What does the word "antigen" mean in common usage?

Substance that causes an immune response

Foreign body

Substance that provokes an immune response

Protein

Answer

Correct Answer: Foreign body

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11. What kind of foreign body stimulates the production of an antibody?

Bacteria

Virus

Parasite

Antigen

Answer

Correct Answer: Antigen

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12. What does the structure of many toxin molecules represent?

Carbohydrates

Antigens

Vitamins

Proteins

Compounds

Answer

Correct Answer: Antigens

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13. What does colostrum contain large amounts of?

Lipids

Proteins

Antibodies

Answer

Correct Answer: Antibodies

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14. What is another name for an infectious agent?

Virus

Antigen

Bacteria

Germ

Answer

Correct Answer: Antigen

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15. What is not effective against viruses?

Antiviral cream

Vaccine

Sterilization

Antibiotic

Answer

Correct Answer: Antibiotic

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16. What is another name for an antibiotic?

Cephalexin

Penicillin

Cephalosporin

Amoxicillin

Answer

Correct Answer: Penicillin

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17. What does an antilmentic agent do?

Kills bacteria

Reduces inflammation

Destroys internal parasites

Answer

Correct Answer: Destroys internal parasites

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18. What does anhelmintic kill?

External parasites

Worms

Nematodes

Internal parasites

Mites

Answer

Correct Answer: Internal parasites

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19. How many cows do most beef cattle weigh?

1 000 pounds

3 500 pounds

Answer

Correct Answer: 1 000 pounds

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20. What is the unit of measurement for livestock?

Animal Unit

Pound

Kilogram

Ton

Square foot

Answer

Correct Answer: Animal Unit

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21. What do the structures do to treat animal waste by predominantly anaerobic biological action?

Anaerobic sludge blanket

Anaerobic digestor

Anaerobic composting

Anaerobic treatment lagoon

Answer

Correct Answer: Anaerobic treatment lagoon

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22. What is anaerobic treatment lagoon a structure to treat animal waste by predominantly?

A structure to help recycle animal waste

Anaerobic digestion

Anaerobic biological action

A receptacle to holding and treating animal waste

Anaerobic sludge treatment

Answer

Correct Answer: Anaerobic biological action

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23. What are the species of bacteria that live in the absence of oxygen called?

Aerobic

Bacterium

Anaerobic

Halobacteriaceae

Bacillus

Answer

Correct Answer: Anaerobic

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24. What is toxic to anaerobic bacteria?

Oxygen

Carbon dioxide

Nitrogen

Answer

Correct Answer: Oxygen

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25. What does iron deficiency cause?

Heart disease

Hair loss

Rashes

Infections

Anaemia

Answer

Correct Answer: Anaemia

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26. What substance is involved in the development of anaemia?

Folic acid

Calcium

Zinc

Iron

Vitamin B12

Answer

Correct Answer: Iron

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27. From what compound is ammonium derived?

Hydrochloric acid

Nitric acid

Nitrogen

Ammonia

Sulfur

Answer

Correct Answer: Ammonia

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28. What do cattle do when they are in the Alley?

Walk

Crawl

Crouch

Run

Grumble

Answer

Correct Answer: Walk

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29. What is the purpose of the alcohol test?

To screen and rapidly assess acidity

To screen and rapidly assess intoxication

To assess impairment

To diagnose alcohol use

To determine the level of alcohol in a person's system

Answer

Correct Answer: To screen and rapidly assess acidity

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30. What is used to screen and assess the acidity of milk?

Alcohol test

Alkali test

PH meter

Hydrogen ion test

Cheese test

Answer

Correct Answer: Alcohol test

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31. An AI daughter is the result of what?

In vitro fertilization

Artificially inseminated dam

Artificial insemination using a donor's sperm

Pregnant woman

Artificial insemination using another AI daughter's sperm

Answer

Correct Answer: Artificially inseminated dam

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32. What term is used to describe female offspring of an artificially inseminated dam?

F1 daughter

Genetic daughter

AI daughter

Second generation daughter

Surrogate mother

Answer

Correct Answer: AI daughter

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33. What does determining age at last calving entail?

Subtracting the cow's birth date from her most recent calving date

Calculating when the cow reached 80% of her mature weight

Determining when the cow last bred

Checking for gestation signs

Checking for pregnancy symptoms

Answer

Correct Answer: Subtracting the cow's birth date from her most recent calving date

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34. How is the age at last calving determined?

By counting the number of days since the last true calving

By subtracting the cow's gestation period from her most recent calving date

By subtracting the cow's age at first service from her most recent calving date

By subtracting the cow's birth date from her most recent calving date

By subtracting the cow's lactation date from her most recent calving date

Answer

Correct Answer: By subtracting the cow's birth date from her most recent calving date

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35. What is the age determined by subtracting the cow's birth date from her most recent calving date?

Age at last service

Age at last ramp

Age at weaning

Age at last calving

Age at first service

Answer

Correct Answer: Age at last calving

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36. What does agalactia mean?

Lack of lactation

Failure to secrete milk following parturition

A congenital disorder of milk secretion

A deficiency of milk in the diet

Absence of milk glands in the breast

Answer

Correct Answer: Failure to secrete milk following parturition

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37. What is a term for failure to secrete milk following parturition?

Lactogenesis arrest

Lactation failure

Agalactia

Milk withholding

Hypersecretion

Answer

Correct Answer: Agalactia

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38. In what part of the body does the afterbirth reside?

The bladder

The rectum

The vagina

The uterus

Answer

Correct Answer: The uterus

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39. What is the name of the organ that is expelled with the afterbirth?

Cervix

Uterus

Placenta

Answer

Correct Answer: Placenta

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40. What is the term used to describe the placenta and the other membranes in which a fetus is connected to the mother?

Afterbirth

Placenta

Cervix

Umbilical cord

Answer

Correct Answer: Afterbirth

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41. What do microorganisms require for the oxidation of food materials?

Carbon dioxide

Nitrogen

Carbon

Oxygen

Nutrients

Answer

Correct Answer: Oxygen

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42. Microorganisms require oxygen for what?

Growth

Metabolic processes

Growth of cells

Conversion of food to energy

Oxidation of food materials

Answer

Correct Answer: Oxidation of food materials

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43. What type of activity do microorganisms requiring oxygen for the oxidation of food materials require?

Anaerobic

Bacterial

Bacteria

Aerobic

Answer

Correct Answer: Aerobic

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44. What is another name for adulteration?

Addition of other substances to milk

Mixing of different types of milk

Filling of a container with less than its stated volume

Spiking of milk with additional substances to make it more palatable

Pumping of artificial hormones into cows to increase their milk production

Answer

Correct Answer: Addition of other substances to milk

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45. Water is added to reduce the quality of what?

Wine

Beer

Milk

Answer

Correct Answer: Milk

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46. What is the term used to describe feed available on free-choice basis?

Natural feed

Ad libitum

Free range

Free feed

Aliment

Answer

Correct Answer: Ad libitum

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47. What is the result of immunity acquired from previous exposure to pathogenic microorganisms?

No change in immunity

Acquired immunity

Susceptibility to pathogenic microorganisms

Reduced immunity

Reduced susceptibility to pathogenic microorganisms

Answer

Correct Answer: Acquired immunity

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48. What does the milk quality test measure?

Salinity

Sugar

Protein

Lactic acid

Calcium

Answer

Correct Answer: Lactic acid

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49. Coagulation of milk is obtained primarily by what?

Coagulation by enzymes

Serum coagulation

Acidification

Phosphates

Coagulation by phosphates

Answer

Correct Answer: Acidification

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50. What is the process by which whey is separated from the curd after coagulation?

Temperature

Acidification

Centrifugation

Clarification

Salt

Answer

Correct Answer: Acidification

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51. What type of ash is included in the ADF measurement?

Crystalline

Acid-insoluble

Amorphous

Insoluble

Answer

Correct Answer: Acid-insoluble

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52. What type of fiber is ADF?

Polyester Fibre

Bleach Alternative Fiber

Cotton Bud Fiber

Acid Detergent Fibre

Cotton Fibre

Answer

Correct Answer: Acid Detergent Fibre

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53. What is the condition of being acetone-loaded?

Carbon dioxide retention

Hyperventilation

Hypoxia

Hypercarbia

Acetonemia

Answer

Correct Answer: Acetonemia

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54. What are the body tissues and fluids most likely to have an elevated concentration of?

Plasma

Fibrin

Ketone bodies

Blood

Answer

Correct Answer: Ketone bodies

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55. How many days before the normal 282-day term can an abortion be?

Answer

Correct Answer: 45

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56. How many days before normal term is a foetus considered a premature?

340

290

294

282

336

Answer

Correct Answer: 282

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57. What is secreted by the abomasum?

Fibers and mucus

Acids and enzymes

Lipids

Protein

Answer

Correct Answer: Acids and enzymes

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58. What does the abomasum of a ruminant do to digest feed?

Stores food in its stomach

Ferments the feed

Secretes acids and enzymes

Stores food in the rumen

Grabs and crunches food

Answer

Correct Answer: Secretes acids and enzymes

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Agricultural Engineering MCQs | Topic-wise

MCQ on Automative and tractor engines	MCQ on Basic Agricultural Engineering
MCQ on Biological properties of materials	MCQ on Dairy Engineering
MCQ on Farm Machinery	MCQ on Food Engineering
MCQ on Food Packaging Technology	MCQ on Food Processing Unit Operations
MCQ on Groundwater Wells and pumps	MCQ on Irrigation and Drainage Engineering
MCQ on Machine design	MCQ on Refrigeration & Air Conditioning
MCQ on Soil and water conservation engineering	MCQ on Strength of Materials
MCQ on Theory of Machines	MCQ on Watershed management
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