 
			 
			MCQOPTIONS
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				This section includes 60 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. | What household cleaning agent has been found to cut odor in livestock manure by USDA-ARS scientists? | 
| A. | Baking soda | 
| B. | Borax | 
| C. | Dish soap | 
| D. | Window cleaner | 
| Answer» C. Dish soap | |
| 2. | If the dairy ingredients to be pasteurized have a fat content of 10% or more, the specified temperature shall be increased by ______degrees F. | 
| A. | 2 | 
| B. | 3 | 
| C. | 5 | 
| D. | 10 | 
| Answer» D. 10 | |
| 3. | The Italian cheese with the second largest per capita consumption was? | 
| A. | Parmesan | 
| B. | Provolone | 
| C. | Romano | 
| D. | Ricotta | 
| Answer» C. Romano | |
| 4. | For every pound of dry matter, cows should consume how much water? | 
| A. | 1 to 2 pounds | 
| B. | 4 to 5 pounds | 
| C. | 10 to 15 pounds | 
| D. | 25 to 30 pounds | 
| Answer» C. 10 to 15 pounds | |
| 5. | The country which imported the largest amount of U.S. ice cream and related products was? | 
| A. | Canada | 
| B. | Japan | 
| C. | Russia | 
| D. | Mexico | 
| Answer» E. | |
| 6. | Low sodium cheddar cheese contains no more than ________milligrams of sodium per pound of the finished food. | 
| A. | 56 | 
| B. | 45 | 
| C. | 96 | 
| D. | 105 | 
| Answer» D. 105 | |
| 7. | Behind the U.S., the country, which averages the largest production per cow, is _____ | 
| A. | Japan | 
| B. | Canada | 
| C. | Australia | 
| D. | Argentina | 
| Answer» B. Canada | |
| 8. | The Standard of Identity for ice cream requires that it contain a minimum of ____ percent milk fat. | 
| A. | 10 | 
| B. | 12 | 
| C. | 14 | 
| D. | 16 | 
| Answer» B. 12 | |
| 9. | Ice cream must weight a minimum _______ pounds to the gallon. | 
| A. | 3.5 | 
| B. | 4.5 | 
| C. | 5.0 | 
| D. | 5.25 | 
| Answer» C. 5.0 | |
| 10. | One serving (8 oz) of milk has about ______ milligrams of calcium. | 
| A. | 90 | 
| B. | 150 | 
| C. | 200 | 
| D. | 250 | 
| Answer» E. | |
| 11. | The decision of a milk hauler to accept or reject milk at the producing farm? | 
| A. | Depends on knowledge of milk quality and ability to smell off odors | 
| B. | Should always be confirmed by tests for acidity | 
| C. | Should be made the day before pickup is scheduled | 
| D. | Age of cow | 
| Answer» B. Should always be confirmed by tests for acidity | |
| 12. | The average Federal order price per hundredweight in 2009 for class 1 milk was _______dollars per hundredweight. | 
| A. | 10.89 | 
| B. | 11.36 | 
| C. | 13.10 | 
| D. | 14.40 | 
| Answer» E. | |
| 13. | The minimum fat content of cheddar cheese is? | 
| A. | 20 | 
| B. | 33 | 
| C. | 40 | 
| D. | 50 | 
| Answer» E. | |
| 14. | The U.S. also imports certain dairy products. The dairy products imported which accounted for the largest dollar value was? | 
| A. | Dry whey | 
| B. | Milk protein concentrates | 
| C. | Casein and casein products | 
| D. | Cheese and curd | 
| Answer» E. | |
| 15. | The largest U.S. exports of a dairy product by dollars were? | 
| A. | Non-fat dry milk | 
| B. | Cheese and curd | 
| C. | Whey and whey products | 
| D. | Lactose | 
| Answer» B. Cheese and curd | |
| 16. | The largest total exported dairy product by volume in 2009 was? | 
| A. | Cheese and curd | 
| B. | Dry whey | 
| C. | Non-fat dry milk | 
| D. | Lactose | 
| Answer» C. Non-fat dry milk | |
| 17. | In cows, salmonellosis infections are most common in those that have calved within ___________ | 
| A. | 2 days | 
| B. | 10 days | 
| C. | 20 days | 
| D. | 50 days | 
| Answer» C. 20 days | |
| 18. | How many years does it take for a dairy farm to fully transition to become certified organic? | 
| A. | 1 | 
| B. | 3 | 
| C. | 5 | 
| D. | 7 | 
| Answer» C. 5 | |
| 19. | The minimum price for all four classes of milk from the farm in 2009 compared to 2008: | 
| A. | Increases slightly | 
| B. | Increased a large amount | 
| C. | Remained the same | 
| D. | Decreased | 
| Answer» E. | |
| 20. | There are four classes of milk under federal orders and they provide for what? | 
| A. | Classification is according to the relative safety of each class | 
| B. | Payment for milk is according to its quality | 
| C. | Payment for milk is according to its cost of production | 
| D. | Payment for milk is according to its end use | 
| Answer» E. | |
| 21. | According to a report compiled by the Institute for Food Technologists _________ is now America’s favorite at-home snacks. | 
| A. | Cheese | 
| B. | Yogurt | 
| C. | Ice cream | 
| D. | Chocolate Milk | 
| Answer» C. Ice cream | |
| 22. | Which of these is a good nutritional strategy to maintain milk production in hot weather? | 
| A. | Feed more grain | 
| B. | Increase protein concentration | 
| C. | Add more fat | 
| D. | Milk slower | 
| Answer» D. Milk slower | |
| 23. | New food plate guidelines recommended how many servings of dairy products per day? | 
| A. | 5 | 
| B. | 2 | 
| C. | 4 | 
| D. | 3 | 
| Answer» E. | |
| 24. | What method of manure application is best to fully utilize nutrients, reduce the risk of runoff, and lower odor complaints? | 
| A. | Injecting | 
| B. | Broadcasting | 
| C. | Surface application | 
| D. | Flood application | 
| Answer» B. Broadcasting | |
| 25. | Based on ice cream consumption figures, the second most popular flavor is? | 
| A. | Strawberry | 
| B. | Cookies n’ cream | 
| C. | Vanilla | 
| D. | Chocolate | 
| Answer» E. | |
| 26. | Why do protein and amino acids go hand in hand? | 
| A. | Amino acids and proteins need to be found in a 2:1 ratio in all diets | 
| B. | Proteins are basically the building blocks of amino acids | 
| C. | Amino acids are basically the building blocks of protein | 
| D. | Proteins link to amino acids in bone formation | 
| Answer» D. Proteins link to amino acids in bone formation | |
| 27. | What technology destroys 90 percent of BST found in milk? | 
| A. | Pasteurization | 
| B. | Homogenization | 
| C. | Hormonization | 
| D. | Reverse osmosis | 
| Answer» B. Homogenization | |
| 28. | Which of the following is an example of value-added agriculture? | 
| A. | A farm that markets an “Ozark brand” of cheese | 
| B. | Purchasing milk from a local producer | 
| C. | Using a custom heifer raiser | 
| D. | Drinking raw milk | 
| Answer» B. Purchasing milk from a local producer | |
| 29. | At refrigerated temperatures, the butter will begin to lose some of its natural flavor after how long? | 
| A. | Within 2 months | 
| B. | Within 6 months | 
| C. | Within 1 year | 
| D. | Butter will not lose its natural flavor when stored properly | 
| Answer» C. Within 1 year | |
| 30. | What disease is caused by a worm that is taken up as larvae by cattle eating grass, penetrates the gut, and eventually matures to an adult form in the respiratory tract? | 
| A. | Tuberculosis | 
| B. | Heartworm | 
| C. | Trichinosis | 
| D. | Lungworm | 
| Answer» E. | |
| 31. | Under Federal milk marketing orders, Class III milk is used to make? | 
| A. | Ripened cheeses | 
| B. | Cottage cheese | 
| C. | Butter and dry milks | 
| D. | Ice cream | 
| Answer» B. Cottage cheese | |
| 32. | Which of the following cheese is an unripen variety? | 
| A. | Bleu | 
| B. | Cream | 
| C. | Brie | 
| D. | Parmesan | 
| Answer» C. Brie | |
| 33. | What stomach is a magnet typically used in to remove metal objects that cause Hardware disease? | 
| A. | Abomasum | 
| B. | Omasum | 
| C. | Reticulum | 
| D. | Rumen | 
| Answer» D. Rumen | |
| 34. | The cheese that has maximum moisture of 45% and a minimum of 45% fat and is a pasta filata cheese is? | 
| A. | Swiss | 
| B. | Mozzarella | 
| C. | Provolone | 
| D. | Cheddar | 
| Answer» D. Cheddar | |
| 35. | According to the American Veterinary Medicine Association, what is the preferred method of dehorning cows? | 
| A. | Caustic paste | 
| B. | Cauterizing veins | 
| C. | Gauging | 
| D. | Disbudding | 
| Answer» E. | |
| 36. | The off-flavor that is seldom found except in pasteurized milk that has been stored too long is? | 
| A. | Foreign | 
| B. | Unclean | 
| C. | High acid | 
| D. | Feed | 
| Answer» C. High acid | |
| 37. | How long should Calf hutches be left empty between calves to prevent disease spread? | 
| A. | 2 to 3 days | 
| B. | 3 weeks | 
| C. | 10 to 14 days | 
| D. | 1 month | 
| Answer» D. 1 month | |
| 38. | The milk-feed price ration (which relates the value of milk to the cost of feed) averaged _______in 2009 far below the 1999-2008 values. | 
| A. | 1.78 | 
| B. | 1.9 | 
| C. | 2.69 | 
| D. | 2.89 | 
| Answer» B. 1.9 | |
| 39. | When performing a CMT test, watch for color changes and gel formation. Milk from a normal quarter does which of the following? | 
| A. | Forms a gelatinous mass clinging together in a strong reaction | 
| B. | Flows freely without change in viscosity | 
| C. | Forms small clumps in a moderate reaction | 
| D. | Turns a deep purple color | 
| Answer» C. Forms small clumps in a moderate reaction | |
| 40. | In 2009, the annual farm milk price was about $_________ per hundredweight, down $5.60 per hundredweight from 2008. | 
| A. | 10.80 | 
| B. | 12.80 | 
| C. | 14.10 | 
| D. | 15.50 | 
| Answer» C. 14.10 | |
| 41. | The natural lipase enzyme contained in all raw milk is kept away from milk fat globules, thus preventing development of rancidity because the __________ | 
| A. | Fat globule membrane is a protective layer which covers the fat globules | 
| B. | The major protein, casein, ties up the lipase | 
| C. | Fat globules are very small to attract the enzyme until they are homogenized | 
| D. | Enzyme has to be activated by the heat of pasteurization | 
| Answer» B. The major protein, casein, ties up the lipase | |
| 42. | The largest supermarket sales of cheese by type was? | 
| A. | Cheddar | 
| B. | Mozzarella | 
| C. | Processed American | 
| D. | Colby Jack | 
| Answer» B. Mozzarella | |
| 43. | In regards to commodities, what best defines hedging? | 
| A. | Taking no action | 
| B. | The act of buying and selling stock | 
| C. | The act of protecting yourself against price possibilities | 
| D. | The act of buying and selling commodities | 
| Answer» D. The act of buying and selling commodities | |
| 44. | Five countries accounted for approximately _______% of the total U.S. dairy exports. | 
| A. | 39 | 
| B. | 59 | 
| C. | 69 | 
| D. | 79 | 
| Answer» C. 69 | |
| 45. | When it comes to fertilizing fields, what three nutrients are known as the “secondary nutrients”? | 
| A. | Calcium, nitrogen and water | 
| B. | Calcium, sulfur and magnesium | 
| C. | Nitrogen, phosphorus, potassium | 
| D. | Potassium, phosphorus and zinc | 
| Answer» C. Nitrogen, phosphorus, potassium | |
| 46. | What is the largest cost on most U.S. dairy farms? | 
| A. | Feed | 
| B. | Fuel | 
| C. | Labor | 
| D. | Veterinary fees | 
| Answer» B. Fuel | |
| 47. | The country that was the largest purchaser of U.S. dairy products in 2009 was? | 
| A. | Canada | 
| B. | China | 
| C. | Mexico | 
| D. | Japan | 
| Answer» D. Japan | |
| 48. | Which of the following fatty acids found in milk have been associated with health benefits in humans? | 
| A. | Oleic acid | 
| B. | Conjugated Linoleum Acid | 
| C. | Butyric Acid | 
| D. | Lactic Acid | 
| Answer» C. Butyric Acid | |
| 49. | Monterey Jack cheese has a moisture content of 44% percent and a minimum of ___________% fat. | 
| A. | 40 | 
| B. | 45 | 
| C. | 33 | 
| D. | 50 | 
| Answer» E. | |
| 50. | What field vegetable can be a cheap replacement for soybean meal and corn grain? | 
| A. | Sugar beets | 
| B. | Sweet corn | 
| C. | Field peas | 
| D. | Almonds | 
| Answer» D. Almonds | |