FOS3042

25 July 2022
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161 test answers

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question
In which of the following countries the consumers spent the lowest percent of their income on food consumed at home in 2013?
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U.S.A
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Who made the earliest peanut butter?
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Aztecs
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What does IFT stand for?
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Institute of Food Technologists
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Understanding the changes in the quality of produce on the way to the grocery store is possible with the knowledge of:
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Biology
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What nutrient is not added back to a refined grain that has been enriched?
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Fiber
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Which fruit contains the most amount of potassium per 100 g?
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Banana
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Which of the following statements about vegetables is not correct?
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Avocados are high in sugar
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Which of the following categories from the food manufacturing industry is not represented in MyPlate?
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Suagr and confectionery products
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Which of the following is not a correct match?
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Vitamin B1 - Riboflavin
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What vitamin is formed in the body when skin is exposed to sunlight?
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Vitamin D
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What is table salt commonly supplemented with?
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Iodine
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Cellulose is
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a polysaccharide
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What is the most common acid added to food?
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citric acid
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The level of pH above which a food is considered to be a low acid food is:
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4.6
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Which line below shows the food items in decreasing order of water content? Hint: If you are not sure, check the USDA Nutrient Database.
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apple juice, apples, bread, honey, flour, vegetable oil
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Which of the following are considered functional groups in foods?
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all of the above (ketone, methyl, ester)
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Which of the following sugars is typically called "table sugar"?
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sucrose
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Starch
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all of the above
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Saturated fatty acids
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do not contain double bonds in the carbon chain
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Three fatty acids attached to a glycerol backbone is called
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triacylglycerol
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Which of the following is considered a natural food colorant?
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carminic acid
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Which of the following are ways consumers judge food quality using their senses?
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all of the above (appearance, taste, texture)
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Which is not a type of taste testing?
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square test
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Myoglobin is commonly found in
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red meat
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Which of the following is not true for almond milk?
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It is higher in protein than milk, yogurt or cheese
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Which of the following cannot be attributed to the discoveries and developments in Food Science & Technology?
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Increase in % disposable income spent on food
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Beef, pork and poultry are part of what category in the food manufacturing industry?
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Animal Slaughtering and Processing
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In what solvent are lipids soluble?
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Chloroform
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Which of the following is NOT a method used for proximate analysis of food composition?
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Tasting for sweetness as an indication of carbohydrate content
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Which of the following is not a fat soluble vitamin?
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Vitamin C
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Triglycerides are also known as
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TAG or triacylglycerol
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Which of the following are factors effecting bioavailability?
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All of the above (digestibility, absorbability, binding to indigestible material)
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The process where sugars and proteins form characteristic flavor compounds and brown melanoidin compounds is called
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all of the above
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Which of the following are classifications of carbohydrates?
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all of the above
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Which of the following is similar to cellulose because it is insoluble dietary fiber?
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hemicellulose
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Substances that quench oxidative reactions are
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antioxidants
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Which of the following colors are associated with carotenoid pigments?
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all of the above
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Which of the following is an antioxidant used in food products?
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BHA
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Which attribute of foods do we quantify when we use the L a b scale?
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color
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Which of the following is not a major element of FSMA?
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Voluntary product recall
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What is the name of a claim made on the label of a food, that characterizes the relationship of any substance to a disease or health-related condition?
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Health Claim
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In reference to food additives, the acronym GRAS stands for:
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Generally Recognized As Safe
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Which is not a U.S. food law?
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Agricultural Labeling Act
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Which of the following agencies has the authority to inspect fishing vessels?
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NMFS or NOAA Fisheries
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Which of the following statements about Center for Disease Control and Prevention (CDC) is correct?
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All of the above
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Which agency sets up standards of identity for manufactured foods such as milk, peanut butter and mayonnaise?
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Food and Drug Administration
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Which of the following statements is correct regarding the Food Additives Amendment?
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Both of the statements above are correct
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Which of the following is NOT an example of separation in food processing?
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Gelation
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Which of the following unit operations help achieve uniformity in product properties?
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Mixing
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Which of the following is not a desirable effect of blanching?
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Traps air
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Which of the following(s) are necessary to select the optimal heat treatment for a given low acid product?
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Both of the above
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Which of the following is typically processed in a high temperature short time pasteurizer?
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Milk
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Refrigeration is considered
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a mild form of food preservation
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Immersion freezing can be
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expensive
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What is the name of the method used to freeze liquid or semi-liquid foods?
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Scraped surface freezing
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What is the quality defect associated with a hard layer on the outside of foods when undergoing dehydration?
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case hardening
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Which of the following is an advantage found in the drum drying of foods?
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It's most often a continuous process
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Which of the following is a disadvantage of sun drying?
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Usually can't get moisture content below 15%
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What happens when eggs get older during storage?
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Both B and C are correct
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Which of the following is not poultry?
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Pork
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What is best quality grade given to eggs?
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Grade AA
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How long does it typically take to sundry grapes to make California Raisins?
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2 weeks
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Where do brown raisins get their color?
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B and C are correct (Maillard reactions form brown pigments & Polyphenol oxidase naturally found in grapes causes enzymatic browning)
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What is the name of the panel shown on this food label? (saltine crackers)
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Principal Display Panel
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Which agency sets tolerances on pesticide residues in foods?
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EPA
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FDA regulates all foods and food ingredients in ___________ commerce, with the exception of meat, poultry, and processed egg products.
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interstate
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Which agency sets up standards of identity for manufactured foods such as milk, peanut butter and mayonnaise?
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Food and Drug Administration
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Under the Food Additives Amendment of 1958, a GRAS substance is not a food additive. True or False?
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True
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Heat transfer occurs during
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all of the above
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Which of the following is NOT one of the purposes of food processing?
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To eliminate the bacteria in the gut
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What drives heat transfer?
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Temperature gradient
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For a ___________ z-value ___________ increases in temperature are needed to reduce processing time.
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larger, larger
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Which of the following is measured in units of temperature?
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z-value
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The mode of heat transfer that takes place inside solid foods is called
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Conduction
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The first graph on slide 5 of the lecture "Thermal Processing-Part 2" is cold point v. time. What does the other graph on the same slide show?
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The lethality of the process on Salmonella in ground beef that has been treated with cold point temperature changes shown in the first graph
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Which of the following is not used to thermally process food that is already packaged?
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Hot pack
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Which of the following is desirable in frozen foods?
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fast freezing
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Fruit stored under refrigeration conditions for extended periods of time might undergo
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chill injury
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Enzyme activity in foods that undergo freezing conditions
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slows down
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What causes freezer burn?
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Loss of water over time due to fluctuations in temperature
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Among the ones listed below, which type of freezer provide the fastest heat transfer?
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Plate freezer
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Which of the following is a reason to dehydrate food?
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food preservation
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Which of the following is a factor associated with the drying rate of food?
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air velocity
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How do egg whites remain liquid during the pasteurization of liquid egg products?
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Lower temperatures are employed to prevent the coagulation of albumen
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In poultry processing, feathers are removed with
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mechanical "fingers" made of rough, molded rubber like material
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What causes rigor mortis in poultry?
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anaerobic glycolysis
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Which of these make a better meat marinade for dry heat cooking?
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soy sauce
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Which term is associated with high quality of red meat by visually evaluating fat dispersed throughout muscle tissue?
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marbling
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Which of the following affect tenderness, flavor, cook losses, and yield in the quality evaluation of meat?
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all of the above
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Lipids designated as oils are most likely _______, at room temperature
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liquid
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fats are
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crystalline in nature
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In solvent extraction of oil from oilseeds, what is one way of increasing yield?
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grinding or flaking the seeds
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Churning
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NOT is inverting from oil-in-water emulsion to water-in-oil emulsion
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You found this chocolate bar stashed away in the corner of a drawer several months ago. There is a white haze on the surface. What is it?
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Cocoa butter crystals rearranged over time
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Carbonated beverages are infused with
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carbon dioxide gas
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Which of the following are types of water available in the United States as beverages?
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all of the above
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Wine is made by adding yeast to fruit juice in
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an anerobic environment
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Which is FALSE regarding coffee production?
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Coffee grows best at sea level.
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Which of the following statements about the Swiss Water Process is FALSE?
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Carbon filter traps flavor molecules so that flavor of coffee beans is preserved
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Which is a juice box made of?
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Paper, aluminum foil and plastic
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What causes temporary hardness in water?
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Calcium and magnesium salts which can be removed by boiling
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Where does the air in a milk shake come from?
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Both from the ice cream and whipping with milk
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If an animal is stressed before harvest, which of the following will occur?
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fast rigor mortis
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Which of the following affect tenderness, flavor, cook losses, and yield in the quality evaluation of meat?
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all of the above
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The more marbling in red meat is equivalent to
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increased tenderness of the cut
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Which of the following answers is associated with the quality of red meat and fish?
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age of the red meat or fish
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Muscle composition of red meat contains
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all essential amino acids
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The cooking of red meat before rigor mortis sets in results in
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extra tender meat
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How does marbling make meat more tender?
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Both by decreasing the shrinking of muscle fibers and by providing lubrication
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Lard which is typically sold in the form sticks in the grocery store is extracted with which of the following methods?
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Rendering
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What do whey protein and plum puree have in common?
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They are used as fat substitutes
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Fats and oils are otherwise known as
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triacylglycerols
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Lipids in food are commonly known as
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fats & oils
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Which of the following is associated with the palatability of ice cream?
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fat content
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Which is NOT a method used to decaffeinate coffee?
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Chill proofing
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In beer production, roasted barley is also known as
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barley malt
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Which of the following statements about Black Tea Processing is FALSE?
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Yeasts are added for fermentation of tea leaves
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Roasted coffee is often vacuum packaged because
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the flavor is very sensitive
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Of the three major types of tea, which of the following is most common in the United States?
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black tea
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Which is NOT true about tea?
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Yeast is added to start fermentation in oolong or black tea processing.
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What are adjuncts in beer making?
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Cereals like corn and rice added used to cut down cost and add flavor
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Which of the following is NOT due to CO2 in carbonated beverages?
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Brown color
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How is juice that comes in a single serve juice box treated to ensure safety?
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It is pasteurized and then filled into a sterilized box in an aseptic environment.
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What is an acceptable way of standardizing 100% Orange Juice?
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Adding essence obtained from orange peels back into orange juice
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Which of the following minerals is not a primary concern for brewers?
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Phosphorus
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Excessive heating of foods during preparation or storage will cause
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all of these
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Heat applied to make scrambled eggs
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Denature proteins
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Which of the following can be used to control microbial growth in foods?
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all of these
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Which of the following preservation methods will not inactivate enzymes?
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Irradiation
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Infant botulism might be obtained by the consumption of
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honey
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Milk is fermented by bacteria to produce
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all of the above
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What are some of the new technologies to preserve foods without altering their flavor and texture? 1. Canning 2. High pressure processing 3. Batch sterilization 4. Oscillating electric fields
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2 and 4
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Which of the following may be the reason(s) for strawberries frozen in a home freezer to be mushy when thawed? 1. Slow freezing 2. Fast freezing 3. Polyphenol oxidase activity 4. Cell shrinkage and rupture
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1 and 4
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Contamination of organisms that cause foodborne illness is uncommon in
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commercially processed foods
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Which of the following organisms is associated with the direct contact of cat feces?
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Toxoplasma gondii
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From which animal source is there an organism that might take 10 years to show symptoms and last for 20 to 30 years after infection?
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pork
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Which of the following is a parasitic hazard in raw pork?
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Trichinella
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Which microorganism is otherwise known as STEC? Correct!
answer
E. coli O157:H7
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What organism was the number one cause of bacterial foodborne illness in the United States in 2012?
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Salmonella
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Which is incorrect about enzymes in foods?
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They taste sour.
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Why would one sometimes see rice salt shakers?
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Rice helps salt flow freely by binding excessive moisture.
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Chill injury in fruits and vegetables can occur at temperatures as high as
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56 degrees F
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Which of the following symptoms may indicate chill injury?
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all of these
question
Which of the following is not a result of light exposure of food?
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Reduced tenderness and juiciness in meat
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Which of the following is a source of microbial contamination of foods?
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all of these
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Plasmolysis is...
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all of these
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Ionizing radiation approved for use on foods are
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Gamma rays and X-rays
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Each of the following indicates a desirable characteristic of a chemical preservative except:
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Enhances flavor and color of the product
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Which of the following is the major cause of microbial death during drying?
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High temperature-low moisture conditions that last throughout cooling
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Which of the following statements is incorrect about freezing?
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Freezing is a lethal process that can be used to eliminate all microbial cells.
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What causes plasmolysis?
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Placing food in syrup or brine.
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Which of the following help rice grains absorb fairly large levels of moisture in a salt shaker?
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The starchy matrix inside the grains which allow swelling
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Why is raw milk "off limits" according to the authors of the book "Food Bites"? Correct!
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Because of Listeria.
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Lactic acid is one of the main products of
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bacterial fermentation
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What is the name of the technology where the environment around the fruit or vegetable is altered to slow respiration?
answer
Modified atmosphere
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Which of the following is considered a macronutrient?
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lipids
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The concept that involves a scale from 0 to 1 and affects microbial growth is known as
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water activity
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Which fatty acid is also called 18:2?
answer
linoleic acid
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Which of the following are aspects of food quality?
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all of the above
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What illustrative educational tool is intended for an easy way for consumers to remember which food groups to eat the most of and which to eat the least of?
answer
MyPlate
question
On average, how many pound(s) of feed does a broiler chicken eat for its weight to increase 1 pound?
answer
1.9