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FSC 325 Quizzes Questions and Answers 100%
Pass
T/F Foods containing high moisture content always possess high water activity. - ANSWER ✔✔-False
Most bacteria will be inhibited by a water activity (aw) level of ____ or below. - ANSWER ✔✔-0.9
Removal of water from food or decreasing water activity will_____ many enzymatic reactions and _____ -
ANSWER ✔✔-Slow, inhibit
T/F Glucose in its D form occurs naturally in food - ANSWER ✔✔-True
T/F Monosaccharide is simple carbohydrate which contain three to nine carbon atoms - ANSWER ✔✔-
True
Which statement (s) below is INCORRECT
A. Triacylglycerols are the main constituents of vegetable oils and animal fats
B. Saturated fatty acids have no double bonds between the carbon atoms except linoleic acid
C. Cis and trans indicate the orientation of hydrogen atoms to the double bond in fatty acids
Created by Grace Amelia © 2025, All Rights Reserved.
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D. Fats are composed of mono-di-and tri esters of glycerol with mono carboxylic acids - ANSWER ✔✔-B.
Which statement (s) related to protein below is CORRECT
A. If the pH is less than the pKa, the acid form predominates
B. A zwitterion is neutral when pH of a solution is equal to pKa of an ionizable group
C. All of the peptides are polar
D. Essential amino acids can be produced by the body or can be obtained from food - ANSWER ✔✔-A.
and B.
T/F Undesirable brown color in fresh- cut fruit is caused by polyphenol oxidase enzymes in the presence
of oxygen - ANSWER ✔✔-true
Created by Grace Amelia © 2025, All Rights Reserved.
FSC 325 Quizzes Questions and Answers 100%
Pass
T/F Foods containing high moisture content always possess high water activity. - ANSWER ✔✔-False
Most bacteria will be inhibited by a water activity (aw) level of ____ or below. - ANSWER ✔✔-0.9
Removal of water from food or decreasing water activity will_____ many enzymatic reactions and _____ -
ANSWER ✔✔-Slow, inhibit
T/F Glucose in its D form occurs naturally in food - ANSWER ✔✔-True
T/F Monosaccharide is simple carbohydrate which contain three to nine carbon atoms - ANSWER ✔✔-
True
Which statement (s) below is INCORRECT
A. Triacylglycerols are the main constituents of vegetable oils and animal fats
B. Saturated fatty acids have no double bonds between the carbon atoms except linoleic acid
C. Cis and trans indicate the orientation of hydrogen atoms to the double bond in fatty acids
Created by Grace Amelia © 2025, All Rights Reserved.
, 2|Page
D. Fats are composed of mono-di-and tri esters of glycerol with mono carboxylic acids - ANSWER ✔✔-B.
Which statement (s) related to protein below is CORRECT
A. If the pH is less than the pKa, the acid form predominates
B. A zwitterion is neutral when pH of a solution is equal to pKa of an ionizable group
C. All of the peptides are polar
D. Essential amino acids can be produced by the body or can be obtained from food - ANSWER ✔✔-A.
and B.
T/F Undesirable brown color in fresh- cut fruit is caused by polyphenol oxidase enzymes in the presence
of oxygen - ANSWER ✔✔-true
Created by Grace Amelia © 2025, All Rights Reserved.
