Food Science Quiz: Trivia Exam!

35 Questions | Attempts: 4714
Share

SettingsSettingsSettings
Food Science Quiz: Trivia Exam! - Quiz

Food Science refers to a detailed study of food products that incorporate development, design, packaging, shelf-life studies, and consumer survey. It includes many disciplines such as biology, chemical engineering, and biochemistry to understand food processes. This quiz will test your knowledge about the different techniques and importance of food science. Let's try it out.


Questions and Answers
  • 1. 
    Which is the false statement?
    • A. 

      Food science is the mass production of food products from raw animal and plant materials utilizing the principles of engineering

    • B. 

      The IFT definition for food science implies that it is a discipline based upon biology, physical sciences, and engineering

    • C. 

      Nutrition involves the study of what happens to foods after consumption to promote and maintain health

    • D. 

      Food science and technology is concerned with aspects of agricultural, avian, mammalian, and marine food materials

    • E. 

      Food science involves the study of quality aspects of foods prior to consumption

  • 2. 
    The manufacture of a HFCS (high fructose corn syrup)- sweetened soft drink involves the __________________ processing industry.
    • A. 

      Beverage

    • B. 

      Fats and oil

    • C. 

      Corn

    • D. 

      Both (a) and (b)

    • E. 

      Both (a) and (c)

  • 3. 
    This food scientist/technologist work area involves sampling raw products to ensure conformity to purchasing specifications.
    • A. 

      Product development

    • B. 

      Experimentation

    • C. 

      Quality control

    • D. 

      Marketing

    • E. 

      Sensory research

  • 4. 
    Which sequence most accurately represents the scientific method approach?
    • A. 

      Problem hypothesis experiment publish

    • B. 

      Problem hypothesis experiment conclusion

    • C. 

      Experiment  plan interpret hypothesis

    • D. 

      Plan hypothesis experiment report

    • E. 

      Plan hypothesis experiment publish

  • 5. 
    Which branch of food science focuses the most on the functional properties of proteins?
    • A. 

      Food microbiology

    • B. 

      Food engineering

    • C. 

      Food chemistry

    • D. 

      Food processing

    • E. 

      Sensory evaluation

  • 6. 
    Which statement is true?
    • A. 

      The physical state of water depends on the motion of oxygen molecules

    • B. 

      Water molecules in steam are more closely aligned than in ice

    • C. 

      The physical state of water depends on the motion of H2O molecules

    • D. 

      Water molecules in liquid water are more closely aligned than in ice

    • E. 

      The physical state of water depends on the motion of hydrogen molecules

  • 7. 
    What is the meaning of the statement “a reduced-fat peanut butter represents an O/W emulsion, in which one phase is the continuous phase, and the other is the dispersed phase”?
    • A. 

      In reduced fat peanut butter, water is the dispersed phase

    • B. 

      After grinding peanuts, a stable emulsion results, one that will not separate

    • C. 

      There is only one phase in reduced fat peanut butter

    • D. 

      In reduced fat peanut butter, water is the continuous phase

    • E. 

      In reduced fat peanut butter, oil is the continuous phase

  • 8. 
    Which is NOT a type of infant formula as described in the article summary in the chapter one challenge?
    • A. 

      Starch-based

    • B. 

      Whey protein-based

    • C. 

      Casein protein-based

    • D. 

      Soy-based

    • E. 

      Cow's milk-based

  • 9. 
    You are working to develop a new soy infant formula. You realize that 2 key amino acids required to be present in adequate amounts for infants are cysteine (cys) and methionine (met). Analysis of your formulation shows 3.98 mg of cys + met per gram of protein present in your product. What should you conclude? (Hint: Human breast milk has about 4 grams of cys + met per 100 grams of milk protein).
    • A. 

      Your formulation provides an adequate amount of these two nutrients

    • B. 

      Your formulation does NOT provide an adequate amount of these two nutrients

    • C. 

      There is insufficient data provided to answer this question

  • 10. 
    Cheese …  (read carefully)
    • A. 

      Is formed from milk proteins that bond to each other when pH is lowered to pH 4.6

    • B. 

      Is made when milk proteins reach their isoelectric pH of pH 10

    • C. 

      Is a poor source of calcium and phosphorus compared to sour cream

    • D. 

      Is formed from acidified milk because the proteins repel each other at pH 4.6

    • E. 

      Is formed by the coagulation of albumen protein

  • 11. 
    Suppose you measure the Brix/acid ratio of the same type of fruit from two suppliers (different parts of the country) and find supplier A = 7 and supplier B = 11. What might you conclude regarding the flavor of the juice manufactured from A vs. B?
    • A. 

      Product B would be from California

    • B. 

      They would have identical flavor

    • C. 

      B is probably sweeter

    • D. 

      B has a higher acid content

    • E. 

      A is definitely sweeter

  • 12. 
    Which is the FALSE statement?
    • A. 

      In crystalline confectionery, the goal is to promote the formation of sugar crystals

    • B. 

      A crystal forms when a group of sugar molecules collect around a nucleus

    • C. 

      A nucleus is a limited aggregation of sugar molecules in a syrup solution

    • D. 

      In the manufacture of gummy candies, it is desirable to generate many crystals

    • E. 

      In noncrystalline confection, sugar crystal formation is prevented by adding interfering substances to block the movement of sucrose molecules toward each other

  • 13. 
    A serving of Mama Plenty’s pudding has the following nutrient composition: 10 grams of fat, 2 grams of protein, 10 grams of water, and 15 grams of carbohydrate. Approximately how many calories (kcals) does it provide?
    • A. 

      125

    • B. 

      160

    • C. 

      250

    • D. 

      200

    • E. 

      Cannot be determined

  • 14. 
    Which does not belong with the others?
    • A. 

      Comminuted meat emulsion

    • B. 

      Myofibrillar proteins stabilize fat droplets

    • C. 

      Proteins contribute to the formation of a viscous gel matrix

    • D. 

      Viscous gel matrix stabilizes the emulsion by promoting fat globule movement

    • E. 

      In a meat emulsion it is undesirable for fat globules to coalesce (combine) into a fatty layer

  • 15. 
    Which statement about metabolic reactions is FALSE?
    • A. 

      Breakdown of fats into fatty acids and glycerol is an example of an catabolic reaction

    • B. 

      Peptide synthesis from amino acids represents an anabolic reaction

    • C. 

      Conversion of maltose into glucose is an example of an catabolic reaction

    • D. 

      Anabolic reactions are important during digestion and absorption of food

    • E. 

      Conversion of peptides into amino acids is an example of an catabolic reaction

  • 16. 
    Which statement is False?
    • A. 

      Nitrogen equilibrium is when N in = N out

    • B. 

      Zero nitrogen balance is the same as nitrogen equilibrium

    • C. 

      Positive nitrogen balance is when N in > N out

    • D. 

      Negative nitrogen balance is when N in < N out

    • E. 

      Positive nitrogen balance is when N in < N out

  • 17. 
    In a comminuted meat emulsion,
    • A. 

      Actin and myosin stablize fat droplets

    • B. 

      Actin and myosin contribute to the formation of a gel matrix

    • C. 

      Actin and myosin minimize the fat globule movement

    • D. 

      Choices a and b

    • E. 

      Choices a, b, and c

  • 18. 
    The food industry has been experimenting with developing fat replacers over the years. The reasons for this include all of the following, except:
    • A. 

      To decrease fat calories in foods

    • B. 

      To provide consumers products that may help them achieve their body weight goals

    • C. 

      To provide opportunities for new products and increase their sales

    • D. 

      To eliminate fat from the diet

    • E. 

      Through better understanding of ingredient functional properties, this approach has become possible

  • 19. 
    Which is NOT an alternative sweetener?
    • A. 

      Sugar alcohol

    • B. 

      Maltodextrin

    • C. 

      Acesulfame - K

    • D. 

      Sucralose

    • E. 

      Aspartame

  • 20. 
    Which statement regarding confectionery and chocolate is true?
    • A. 

      They contain identical amounts of key nutrients

    • B. 

      They contain no protein

    • C. 

      They provide zero kcals

    • D. 

      Hard candies contain more protein than dark chocolate

    • E. 

      100g of cocoa powder contains protein, calcium, potassium, and phosphorus

  • 21. 
    In reduced ________ milk the enzyme _________ is added to react with the ___________ sugar naturally present in milk. The ___________ would be broken down by the ___________ enzyme treatment to yield __________ and _________, which are sweeter than the ________________ lactose.
    • A. 

      Lactose, lactase, lactose, lactose, lactase, glucose, galactose, monosaccharide

    • B. 

      Lactose, lactase, lactose, lactose, lactase, glucose, galactose, disaccharide

    • C. 

      Lactase, lactase, lactose, lactose, lactase, glucose, fructose, disaccharide

    • D. 

      Lactose, lactase, lactose, lactose, lactase, glucose, fructose, disaccharide

    • E. 

      Lactose, lactase, lactose, lactose, lactase, glucose, fructose, monosaccharide

  • 22. 
    In a __________ emulsion, water is the predominant or ___________ phase (the solvent), while oil is the _____________ phase (the solute). In a(n) ___________ emulsion, the situation is opposite. _________ is the solvent, while _________ is the solute.
    • A. 

      W/O, continuous, dispersed; O/W, oil, water

    • B. 

      O/W, dispersed, continuous; W/O, oil, water

    • C. 

      O/W, continuous, dispersed; W/O, water, oil

    • D. 

      Stable, continuous, dispersed; unstable, oil, water

    • E. 

      O/W, continuous, dispersed; W/O, oil, water

  • 23. 
    Which choice correctly matches food proteins with the correct food source?
    • A. 

      Actin/red meat; avidin/egg white; casein/milk; collagen/red meat; lactoferrin/milk; lipoxygenase/soybean

    • B. 

      Avidin/red meat; lipoxygenase/egg white; whey/milk; collagen/red meat; lactoferrin/milk; casein/soybean

    • C. 

      Myosin/red meat; whey/egg white; casein/milk; collagen/red meat; avidin/milk; lipoxygenase/soybean

    • D. 

      Choices (a) and (c)

    • E. 

      None of these

  • 24. 
    The average percentage of iron absorbed is higher for beef than for spinach, which is an illustration of:
    • A. 

      Biological value

    • B. 

      Brix

    • C. 

      Bionutrient value

    • D. 

      Bioavailabilty

    • E. 

      Biochemical index

  • 25. 
    The ability of a food to cause a sharp rise in blood glucose is:
    • A. 

      Hyperglycemia

    • B. 

      Hypoglycemia

    • C. 

      Glycemic load

    • D. 

      Glycemic effect

    • E. 

      Crystallization of sugar in jelly beans

Back to Top Back to top
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.