Q. What effect does citric acid have on the flavor of food?
-
A.
Bitter
-
B.
Sour
-
C.
Sweet
-
D.
Savory
Solution
Citric acid imparts a sour flavor to food, enhancing its taste profile.
Correct Answer:
B
— Sour
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Q. What is a potential health benefit of consuming vinegar?
-
A.
Lowering blood sugar levels
-
B.
Increasing cholesterol levels
-
C.
Dehydration
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D.
Weight gain
Solution
Some studies suggest that vinegar may help lower blood sugar levels after meals.
Correct Answer:
A
— Lowering blood sugar levels
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Q. What is the primary active component in vinegar that contributes to its acidity?
-
A.
Acetic acid
-
B.
Citric acid
-
C.
Lactic acid
-
D.
Formic acid
Solution
Vinegar primarily contains acetic acid, which gives it its characteristic sour taste and acidity.
Correct Answer:
A
— Acetic acid
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Q. What is the primary mechanism by which vinegar may aid in weight loss?
-
A.
Increased metabolism
-
B.
Appetite suppression
-
C.
Fat absorption
-
D.
Muscle gain
Solution
Vinegar may aid in weight loss primarily through appetite suppression.
Correct Answer:
B
— Appetite suppression
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Q. What is the typical concentration of acetic acid in household vinegar?
-
A.
5-20%
-
B.
1-3%
-
C.
30-50%
-
D.
50-70%
Solution
Household vinegar typically contains 5-20% acetic acid.
Correct Answer:
A
— 5-20%
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Q. Which of the following conditions may be aggravated by excessive vinegar consumption?
-
A.
Diabetes
-
B.
Gastroesophageal reflux disease (GERD)
-
C.
Hypertension
-
D.
Anemia
Solution
Excessive vinegar consumption can aggravate symptoms of gastroesophageal reflux disease (GERD).
Correct Answer:
B
— Gastroesophageal reflux disease (GERD)
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Q. Which of the following is a common source of citric acid?
-
A.
Lemons
-
B.
Vinegar
-
C.
Honey
-
D.
Salt
Solution
Lemons are a well-known source of citric acid, which is abundant in citrus fruits.
Correct Answer:
A
— Lemons
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Q. Which of the following is a common use of citric acid in food preservation?
-
A.
Enhancing flavor
-
B.
Coloring agent
-
C.
pH adjustment
-
D.
Sweetening agent
Solution
Citric acid is often used in food preservation to adjust pH, which helps inhibit microbial growth.
Correct Answer:
C
— pH adjustment
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Q. Which of the following is a potential side effect of consuming citric acid in large amounts?
-
A.
Tooth enamel erosion
-
B.
Increased energy
-
C.
Improved digestion
-
D.
Weight loss
Solution
Consuming citric acid in large amounts can lead to tooth enamel erosion due to its acidity.
Correct Answer:
A
— Tooth enamel erosion
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Q. Which of the following is NOT a use of vinegar in cooking?
-
A.
Marinades
-
B.
Pickling
-
C.
Baking soda neutralization
-
D.
Thickening agent
Solution
Vinegar is not used as a thickening agent in cooking; it is more commonly used in marinades and pickling.
Correct Answer:
D
— Thickening agent
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