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WorksheetsFood Preservatives Quiz
Total questions: 30
Worksheet time: 15mins
What is the MAIN purpose of adding preservatives to food?
To make food taste better
To protect food from microbes and prevent spoilage
To reduce the cost of production
To make food look more attractive
According to the text, what are the two main methods of food preservation?
Boiling and frying
Chemical and physical
Natural and artificial
Sweetening and salting
Which of these is an example of a PHYSICAL preservation method?
Adding sodium benzoate
Refrigeration
Using sorbic acid
Adding phenolic compounds
Which category of chemical preservatives includes sodium nitrite?
Benzoates
Nitrites
Sulphites
Antioxidants
What natural antioxidant is found in citrus fruits and used in juices and jams?
Tocopherols
Carotenoids
Phenolic compounds
Ascorbic acid
Which part of the US government is responsible for approving food preservatives?
USDA (Department of Agriculture)
EPA (Environmental Protection Agency)
FDA (Food and Drug Administration)
CDC (Centers for Disease Control)
What is sodium benzoate made from?
Salt and vinegar
Benzoic acid and sodium hydroxide
Citric acid and sodium chloride
Sodium nitrate and water
Which preservative used in processed meats may increase heart disease risk?
Sodium benzoate
Sorbic acid
Sodium nitrate
Tocopherols
What natural antioxidant is commonly found in nuts and seeds?
Ascorbic acid
Carotenoids
Tocopherols
Phenolic compounds
Where is rosemary extract predominantly used as an antioxidant preservative?
Asia and Africa
Europe and North America
South America and Australia
Worldwide equally
What must manufacturers provide to the FDA before using a new preservative?
Marketing plan
Scientific data proving safety
Cost analysis
Consumer preference surveys
Which chemical preservative inhibits or destroys microbial activity?
All of the mentioned chemical preservatives
Only sodium benzoate
Only sorbic acid
Only sulphites
What do we call indirect food additives that come from manufacturing, storing, and packaging?
Preservatives
Contaminants
Antioxidants
Nutrients
Besides extending shelf life, what is another direct reason for using food preservatives?
To make the food heavier
To enrich food with vitamins and minerals
To change the food's texture completely
To make it cook faster
Which of these is a key benefit of preservatives mentioned in the text?
They make food organic
They preserve the nutritional quality of the food
They remove the need for refrigeration
They make food taste sweeter
Dehydration and UV radiation are examples of what kind of preservation?
Chemical preservation
Physical preservation
Natural preservation
Synthetic preservation
Sorbic acid is commonly used to...
add a sweet flavor
add red color to meat
inhibit or destroy microbes
increase the volume of the product
What is the main function of antioxidants in food preservation?
To prevent oxidation that changes food's color and quality
To make food more acidic
To add protein to the food
To freeze the food
Which natural antioxidant would you find in herbs, spices, and grape seeds?
Tocopherols
Ascorbic acid
Phenolic compounds
Carotenoids
According to the text, what is a common use of ascorbic acid (Vitamin C)?
Preserving grains and butter
Preserving seafood and meat
Preserving juices and jams
Preserving herbs and spices
Tocopherols (Vitamin E) are commonly used to preserve which of the following?
Citrus fruits and juices
Grains, butter, and oils
Seafood and processed meats
Soft drinks and candies
Sodium benzoate is made by combining benzoic acid with...
Sodium chloride
Sodium nitrate
Sodium hydroxide
Sulphur dioxide
What is a potential health risk associated with sodium nitrate?
It can immediately cause food poisoning
It can damage blood vessels and increase heart disease risk
It leads to vitamin deficiency
It causes dehydration
Preservatives can be made from natural chemicals like...
Plastic
Salt or alcohol
Petroleum
Synthetic dyes
What does the text say about natural vs. synthetic chemicals?
Natural chemicals are always healthier
Synthetic chemicals are always more effective
Natural chemicals are not certainly healthier than synthetic ones
Synthetic chemicals should never be used in food
Why have artificial preservatives been used for a long time?
They are cheaper than natural alternatives
They are effective in small amounts
They improve the nutritional value
They make food taste better
Which of these is an example of a synthetic preservative from the text?
Rosemary extract
Salt
Sodium benzoate
Tocopherols
How are preservatives studied and monitored today compared to the past?
Less carefully
In the same way
More precisely
Only in the United States
Before using an approved substance in a new way, what must a manufacturer do?
Get approval from the public
Obtain FDA approval by providing new safety data
Immediately start selling the product
Only change the product's label
The text states that preservatives help prevent the growth of...
Beneficial vitamins
Harmful microorganisms
Natural flavors
Artificial colors
