Science of Food Practice Test

These questions are part of the practice quiz. Start practicing

• After HPP treatment, how do food products generally respond in terms of enzyme activity?
• Appertization is also known as what process?
• Why is hydration important in nutrition?
• What is the main energy source for the brain?
• What nutrient does the body most rely on when performing high-intensity activity?
• What is the primary use of amino acids within protein metabolism?
• What is one of the main consequences of food contamination?
• What is NOT a priority when choosing packaging materials for food?
• What role do live bacteria play when consumed as probiotics?
• Which statement is true regarding the goal of cleaning and washing?
• How many calories are there in a gram of protein?
• Which group does not need more protein?
• What is the term for the recommended daily intake of nutrients?
• What is an effective way to reduce sugar intake in one's diet?
• Which factor is NOT usually considered when customizing nutrient-dense food choices?
• What process involves very rapid freezing using vapors at -30 to -40°C?
• Which type of fatty acids should be limited or excluded from the diet?
• Which of the following is a common food source of omega-3 fatty acids?
• What does the term 'glycemic index' refer to?
• How long does it typically take to freeze dry a batch of product in the pilot plant freeze dryer?
• What is the main function of packaging to protect food from?
• What is an example of a nutrient that can be lost during cooking?
• Which vitamin is known for its role in vision?
• What type of fatty acid is primarily found in olive oil?
• Which industry significantly utilizes High-Pressure Processing technology?
• What ingredient in bread is responsible for fermentation?
• Drying improves shelf life by all except which of the following?
• Which of the following is not considered a primary-processing operation?
• Which of the following is a key characteristic of foods treated with HPP?
• Define the term 'nutrition.'
• Which of these products is not extruded?
• Recommendations in the Dietary Guidelines include all of the following except:
• What type of carbohydrate is primarily found in fruits and vegetables?
• What is an emulsifier in food?
• What is a disadvantage of the drying process in food preservation?
• What is the role of proteins in the body, other than building tissues?
• Which type of packaging material is suitable for aseptic processing and packaging?
• What aspect of food does food chemistry focus on?
• Is there added sugar in unflavored cow's milk?
• Which method of preservation effectively destroys pathogens in food?
• How are flavors developed in food?
• What does lactose intolerance refer to?
• What is the primary source of added sugar consumption in the United States?
• Which of the following is an example of an incomplete protein?
• Umami is primarily known for which taste?
• Which dietary reference intake term defines the intake level meeting the needs of 97% of healthy people?
• Which characteristic is common to fruits?
• How is moisture typically removed during the freeze-drying process?
• What is the primary macronutrient used in the body for recovery and rebuilding of muscles?
• What is the primary benefit of High-Pressure Processing (HPP) for food products?
• What is the main goal of thermal processes with a lethality step?
• Do saturated fatty acids have anti-inflammatory effects?
• Which of the following is not included in MyPlate recommendations?
• What is the term for the process that uses heat to destroy pathogens in food?
• Which dietary component is primarily responsible for the body's energy reserves?
• Who is considered the pioneer of using heating to preserve food?
• How does the pH level affect food preservation?
• What role does the mouth play in fat digestion?
• Unsaturated fatty acids are characterized by the presence of:
• What type of dryer produces a fine powder as the final product?
• Which nutrient increases in use in the body as activity intensity increases?
• A dryer operating under vacuum will require what temperatures?
• What type of research does the USDA conduct?
• How is the list of ingredients on a food label organized?
• What does the term 'whole grain' refer to?
• Which type of cholesterol is considered "bad" cholesterol?
• What is the primary purpose of food regulation?
• What is the primary benefit of pasteurization?
• Is it true that all population subgroups are recommended to take similar daily amounts of protein per body weight?
• Which of these foods is required to have a food label?
• What is one characteristic of a low-quality diet according to HEI?
• What is an antioxidant?
• Which process involves the conversion of sugars to acids or alcohol?
• What are trans fats, and why are they considered unhealthy?
• What are the top three contributions to dietary fiber consumption in the U.S.?
• True or False: Drinking moderate amounts of alcoholic beverages causes no adverse health effects.
• Oleic acid belongs to which group of fatty acids?
• What are probiotics?
• What is the primary purpose of glycogen in muscles?
• What is the role of enzymes in food science?
• What is the most effective strategy to control fat intake for a healthy diet?
• Which of the following is a common feature of products processed by HPP?
• What does food chemistry study?
• The enzyme that breaks down starch is:
• Which food component is primarily consumed in a ketogenic diet?
• In what products is fermentation typically used?
• What is one advantage of packaging products before HPP?
• Which of the following health concerns is not related to high sugar intake?
• What is the main purpose of pasteurization in food safety?
• What does the extrusion process NOT apply to food?
• Which food would best increase fiber intake compared to their more common counterpart?
• What is fermentation in the context of food production?
• Are carbohydrates recommended to be consumed during intense workouts?
• What is the primary benefit of antioxidants in food?
• According to the Healthy Eating Index (HEI), which age group follows the lowest quality diet?
• What is the main goal of low temperature processes in food preservation?
• What produces bile, crucial for fat digestion?
• Which nutrient is important for thyroid function?
• What is the recommended protein intake for endurance athletes compared to the general population?
• What is the typical pressure level used in HPP processing?
• What is the most common method of freezing food products?
• Post-workout hydration should be completed to replace what percentage of fluid loss?
• Why is dietary fiber important for health?
• What is the primary macronutrient that provides energy in food?
• Which food preservation method involves creating low temperatures to extend shelf life?
• When customizing nutrient-dense food and beverage choices, which factor is considered?
• What are common examples of food additives?
• What percentage of fats can the small intestine absorb?
• What type of food preservation method includes freezing and canning?
• Which of the following is most likely to not have a food label?
• What are the two types of dietary fibers?
• How many grams of protein corresponds to 25% of total calories on an 1,800-calorie diet?
• Omega-3 fatty acids are beneficial for:
• What defines a vegetable?
• What is the main role of dietary fiber in digestion?
• What process ensures that products are packaged prior to being processed in the retort?
• What is the recommended daily intake of dietary fiber for adults?
• Which type of fat is solid at room temperature?
• Which mineral is essential for the transport of oxygen in blood?
• What is the primary role of selenium in the diet?
• What is a potential drawback of using HPP for food processing?
• Which of the following describes a whole grain product?
• Which of the following is considered an antioxidant?
• What is the process called by which food is broken down into smaller molecules?
• How much protein should be included in a diet where 50% comes from carbohydrates?
• Which packaging feature is critical for protecting food from spoilage due to exposure?
• Which food item has the highest content of saturated fatty acids?
• Which of the following methods does NOT remove water by evaporation?
• Which macronutrient is essential for long-term, low-intensity aerobic activities?
• Identify a major source of calcium in the diet.
• Urine color can be used as a marker of what status?
• Which type of packaged food relies on multi-layer materials for aseptic integrity?
• How is 'hygiene' defined in the context of food safety?
• What role do vitamins have in metabolic processes?
• True or False: Full fat dairy products are recommended in dietary guidelines.
• What process involves the preservation of food by heating and sealing it in containers?
• Which nutrient is most involved in metabolism?
• What is the function of packaging that is meant to protect against rancidity?
• What is the primary difference between organic and conventional farming?
• What are essential amino acids?
• What is foodborne illness?
• In terms of nutrition, what does 'bioavailability' refer to?
• What are food additives?
• Which of these would not lead to a meal with complete proteins?
• Which of the following methods was used in prehistoric food processing?
• After what percent loss in total body water do function and performance begin to decline in athletes?
• What is the primary function of fats in the diet?
• What is the main dietary source of saturated fats in the U.S.?
• According to the Dietary Guidelines for Americans, what percent of calories are available for other uses like sugars and saturated fat?
• Why is iron important in the diet?
• Which vitamin is not required on the new food label?
• What occurs during the Maillard reaction?
• Which organ is responsible for producing lipase?
• What does UNL's pilot plant assist the food industry with?
• What is a major source of omega-3 fatty acids?
• Which nutritional action can help to reduce the risk of death?
• True or False: Multivitamin pills and other supplements should be consumed by all ages.
• What is the effect of consuming excess protein beyond the body's needs?
• Which pressurizing fluid is primarily used in the HPP machine at the UNL pilot plant?
• What is a key benefit of learning about food chemistry?
• The fiber recommendation for women is:
• How do fruits differ from vegetables?
• Which of the following is NOT a purpose of blanching?
• How does HPP affect the microbial load of food products?
• What distinguishes saturated fats from unsaturated fats?
• Simple sugars include all but the following:
• How does cooking typically affect the nutritional content of food?
• What is the correct correlation between fat and its role in sports nutrition?
• True or False: The main goal of low temperature processes is to improve product shelf-life.
• Which of the following is not a source of carbohydrates?
• What is the significance of the pH scale in food science?
• Which vitamin is primarily associated with vision?
• What type of food texture change can be expected when fruits undergo HPP?
• Which macronutrient is essential for building and repairing tissues?
• What is the recommendation for protein intake by dietary reference intakes?
• What is the primary dietary source of potassium?
• Water activity measures what in food products?
• Which of the following foods/items did not undergo a change in product characteristics after going through HPP?
• Which of the following best describes cryogenic freezing?
• Which statement about drying is not true?
• What is the primary component of cell membranes?
• Which entity could evaluate and confirm the contents of dietary supplements if the manufacturer wants?
• In food science, what is primarily reduced by proper drying?
• What is one benefit of eating a varied diet?
• What temperature and duration are required for HTST pasteurization?
• Which protein source is highest in essential amino acids?
• What does the USDA aim to ensure regarding food?
• What is the process by which plants convert sunlight into chemical energy?
• How much pressure can the HPP machine withstand?
• Which thermal process is not used as a lethality step?
• Which food preservation method is considered to have a high level of food safety due to the elimination of pathogens?
• What is the main source of vitamin D for most people?
• Which of these is associated with the benefits of fiber?
• How many grams of protein are in a 3 oz serving of meat?
• What farming method is known for using natural pest control techniques?
• Which of the following terms is associated with a quick energy source?
• What is the role of the USDA in food science?
• What is the effect of increasing water activity in a food product?
• Which of the following is a common source of vitamin C?
• Which vitamin is mainly obtained from dairy products?
• What is the target microorganism and log reduction standard for commercial sterilization?