Preservatives are substances added to products to prevent spoilage, decay, or contamination by microorganisms, thereby extending shelf life and maintaining quality. They are commonly used in food, cosmetics, pharmaceuticals, and other industries.
Types of Preservatives
Natural Preservatives: Derived from natural sources, such as salt, vinegar, citric acid, rosemary extract, or honey. These are often preferred for organic or health-conscious products.
Synthetic Preservatives: Chemically synthesized compounds like parabens (e.g., methylparaben), benzoates (e.g., sodium benzoate), sorbates (e.g., potassium sorbate), and sulfites. These are effective and cost-efficient but may raise health concerns.
Antioxidants: A subset that prevents oxidation, including vitamins C and E, BHA (butylated hydroxyanisole), and BHT (butylated hydroxytoluene).
Antimicrobials: Target bacteria, fungi, or yeasts, such as nitrates in meats or propionates in baked goods.
Uses and Applications
Food Industry: Prevents bacterial growth in items like jams, sauces, and processed meats, ensuring safety and freshness.
Cosmetics and Personal Care: Maintains product integrity in lotions, shampoos, and makeup by inhibiting microbial activity.
Pharmaceuticals: Protects medicines and vaccines from degradation, ensuring efficacy over time.
Other Industries: Used in paints, fuels, and textiles to prevent biodeterioration.
Table of contents
- Part 1: OnlineExamMaker AI quiz generator – Save time and efforts
- Part 2: 20 preservatives quiz questions & answers
- Part 3: Try OnlineExamMaker AI Question Generator to create quiz questions
Part 1: OnlineExamMaker AI quiz generator – Save time and efforts
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● OnlineExamMaker API offers private access for developers to extract your exam data back into your system automatically.
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Part 2: 20 preservatives quiz questions & answers
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1. Which preposition is commonly used to indicate a location inside a place?
A. On
B. In
C. At
D. By
Answer: B. In
Explanation: “In” is used for enclosed spaces, such as “in the house.”
2. Which preposition is used to show the day of the week?
A. On
B. In
C. At
D. For
Answer: A. On
Explanation: “On” is used for specific days, like “on Monday.”
3. What preposition goes with “arrive”?
A. In
B. At
C. On
D. To
Answer: B. At
Explanation: “At” is used for arriving at a specific point, such as “arrive at the station.”
4. Which preposition is appropriate for methods or means?
A. By
B. With
C. In
D. On
Answer: A. By
Explanation: “By” indicates the means, like “by bus.”
5. What preposition is used for times of the day?
A. In
B. On
C. At
D. For
Answer: C. At
Explanation: “At” is used for specific times, such as “at night.”
6. Which preposition shows possession or belonging?
A. Of
B. With
C. In
D. At
Answer: A. Of
Explanation: “Of” denotes possession, like “the roof of the house.”
7. What preposition is used with dates?
A. In
B. On
C. At
D. By
Answer: B. On
Explanation: “On” is used for specific dates, such as “on July 4th.”
8. Which preposition indicates direction towards a place?
A. To
B. In
C. At
D. On
Answer: A. To
Explanation: “To” shows movement towards, like “go to school.”
9. What preposition is commonly used with “interested”?
A. In
B. On
C. At
D. For
Answer: A. In
Explanation: “In” is used for interests, such as “interested in music.”
10. Which preposition is used for surface contact?
A. On
B. In
C. At
D. With
Answer: A. On
Explanation: “On” indicates something is placed on a surface, like “on the table.”
11. What preposition goes with “depend”?
A. On
B. In
C. At
D. By
Answer: A. On
Explanation: “On” is used for reliance, such as “depend on friends.”
12. Which preposition is appropriate for groups or categories?
A. In
B. Of
C. At
D. On
Answer: B. Of
Explanation: “Of” indicates membership, like “a member of the team.”
13. What preposition is used with “good at”?
A. At
B. In
C. On
D. For
Answer: A. At
Explanation: “At” is used for skills or abilities, such as “good at math.”
14. Which preposition shows the cause of something?
A. Because of
B. In
C. On
D. At
Answer: A. Because of
Explanation: “Because of” indicates the reason, like “because of the rain.”
15. What preposition is used for durations of time?
A. For
B. In
C. At
D. On
Answer: A. For
Explanation: “For” indicates length of time, such as “for two hours.”
16. Which preposition is used with “famous for”?
A. For
B. In
C. At
D. On
Answer: A. For
Explanation: “For” is used for what something is known, like “famous for inventions.”
17. What preposition goes with “wait”?
A. For
B. In
C. At
D. On
Answer: A. For
Explanation: “For” is used for waiting for someone or something, like “wait for the bus.”
18. Which preposition indicates accompaniment?
A. With
B. In
C. At
D. On
Answer: A. With
Explanation: “With” shows company, such as “go with friends.”
19. What preposition is used for specific points in time?
A. At
B. In
C. On
D. For
Answer: A. At
Explanation: “At” is for exact moments, like “at midnight.”
20. Which preposition is appropriate for topics or subjects?
A. About
B. In
C. At
D. On
Answer: A. About
Explanation: “About” indicates the subject, such as “talk about weather.”
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Part 3: Try OnlineExamMaker AI Question Generator to create quiz questions
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