1. The main purpose of food packaging is to:
(A) Increase product cost
(B) Protect food from contamination and damage
(C) Improve product color
(D) Reduce taste
2. Which of the following materials is commonly used for flexible packaging?
(A) Glass
(B) Tin
(C) Plastic films
(D) Steel
3. The term “MAP” in packaging stands for:
(A) Modified Atmosphere Packaging
(B) Mechanical Air Packaging
(C) Multi-layer Aluminum Packaging
(D) Moisture Absorption Process
4. Which of the following is not a function of packaging?
(A) Preservation
(B) Containment
(C) Decoration
(D) Cooking
5. The inner layer of laminated packaging primarily provides:
(A) Strength
(B) Heat sealability and product protection
(C) Color and design
(D) Rigidity
6. Aseptic packaging involves:
(A) Packaging sterilized food in sterile containers
(B) Heating food before sealing
(C) Using vacuum sealing
(D) Freezing food before packaging
7. The main advantage of vacuum packaging is:
(A) Removal of air to extend shelf life
(B) Increasing product weight
(C) Reducing product quality
(D) Improving taste
8. The glass used for packaging food is preferred because it is:
(A) Reactive with acids
(B) Expensive and brittle
(C) Light and flexible
(D) Transparent, inert, and impermeable
9. Metal cans are coated inside to:
(A) Add color
(B) Prevent corrosion and food-metal reactions
(C) Make cans heavier
(D) Reduce transparency
10. The main gas used in Modified Atmosphere Packaging of meat is:
(A) Argon
(B) Nitrogen
(C) Carbon dioxide
(D) Oxygen
11. Active packaging involves:
(A) Vacuum sealing only
(B) Only decorative packaging
(C) Interaction between package and food to extend shelf life
(D) Transparent wrapping
12. Biodegradable packaging materials are derived from:
(A) Petroleum products
(B) Renewable natural sources like starch or cellulose
(C) Metals
(D) Synthetic polymers
13. The main advantage of plastic packaging is:
(A) Lightweight and flexible
(B) High cost
(C) Non-recyclable
(D) Heavy and rigid
14. Which polymer is commonly used for water bottles?
(A) LDPE (Low-Density Polyethylene)
(B) PVC (Polyvinyl Chloride)
(C) HDPE (High-Density Polyethylene)
(D) PET (Polyethylene Terephthalate)
15. Paper-based packaging is best suited for:
(A) Dry foods like cereals and flour
(B) Beverages
(C) Frozen foods
(D) Oils
16. The barrier property of packaging refers to:
(A) Color strength
(B) Resistance to gases, moisture, and light
(C) Flexibility
(D) Design clarity
17. The recycling symbol on packaging indicates:
(A) The package is waterproof
(B) The food is organic
(C) The package can be reused or recycled
(D) The product is non-edible
18. Tinplate is used mainly for:
(A) Bottling water
(B) Wrapping bread
(C) Frozen foods
(D) Canning foods
19. The term “primary packaging” refers to:
(A) The warehouse box
(B) The outer shipping carton
(C) The first layer that directly contacts the food
(D) The transport container
20. Packaging waste reduction can be achieved by:
(A) Increasing package size
(B) Using lightweight and recyclable materials
(C) Adding extra layers
(D) Using more plastics
21. The shelf life of packaged food mainly depends on:
(A) Weight of the package
(B) Marketing design
(C) Advertising
(D) Type of packaging material and storage conditions
22. Which of the following packaging materials is most eco-friendly?
(A) Biodegradable plastics
(B) Aluminum
(C) Steel
(D) Glass
23. Retort pouch packaging is used for:
(A) Heat-sterilized ready-to-eat foods
(B) Frozen foods
(C) Bakery items
(D) Dry powders only
24. The major disadvantage of glass packaging is:
(A) Recyclability
(B) Transparency
(C) Inert nature
(D) Heaviness and fragility
25. LDPE stands for:
(A) Light Durable Plastic Equipment
(B) Low-Density Polyethylene
(C) Low-Density Propylene
(D) Linear Dense Plastic Element
26. The main function of secondary packaging is:
(A) Sealing air out
(B) Direct contact with food
(C) Grouping primary packages for handling and transport
(D) Providing taste
27. Tetra Pak containers are examples of:
(A) Paperboard only
(B) Metal packaging
(C) Multi-layer laminated packaging
(D) Glass bottles
28. Which packaging is most suitable for carbonated beverages?
(A) Glass bottles or PET bottles
(B) Paper bags
(C) Aluminum foil
(D) Plastic film
29. Barrier films prevent:
(A) Moisture, gas, and aroma transfer
(B) Color fading
(C) Nutrient formation
(D) Label tearing
30. The abbreviation HDPE refers to:
(A) Heavy-Duty Packaging Equipment
(B) Hard-Durable Plastic Element
(C) High-Density Polyethylene
(D) High-Density Polymer Extract
31. Vacuum packaging is most commonly used for:
(A) Juices
(B) Bread
(C) Meat and cheese products
(D) Sugar
32. Aluminum foil is widely used because it provides:
(A) Flexibility only
(B) Excellent barrier to light, gases, and moisture
(C) Color and shine
(D) High transparency
33. Smart packaging can:
(A) Increase package cost only
(B) Change color randomly
(C) Monitor the condition of food
(D) Replace labeling
34. A desiccant in food packaging is used to:
(A) Absorb moisture
(B) Release oxygen
(C) Add flavor
(D) Reduce fat
35. Oxygen scavengers in active packaging:
(A) Absorb aroma
(B) Add oxygen
(C) Add carbon dioxide
(D) Remove oxygen from the package to prevent oxidation
36. The package label must include:
(A) Supplier address only
(B) Employee name
(C) Product name, ingredients, and expiry date
(D) Manufacturing machine code
37. Plastic films with poor barrier properties are often combined with:
(A) Aluminum foil or coatings
(B) Paper only
(C) Wood
(D) Glass
38. Which of the following is an example of tertiary packaging?
(A) Metal can
(B) Glass jar
(C) Plastic bag
(D) Pallet or shipping crate
39. The color of packaging influences:
(A) Consumer perception and buying behavior
(B) Nutritional content
(C) Shelf life directly
(D) Factory size
40. Which gas helps prevent oxidation in MAP?
(A) Argon
(B) Oxygen
(C) Nitrogen
(D) Hydrogen
41. Edible packaging materials can be made from:
(A) Metals
(B) Proteins, starch, or polysaccharides
(C) Glass
(D) PVC
42. The function of tamper-evident seals is to:
(A) Add weight
(B) Make packaging colorful
(C) Reduce packaging cost
(D) Show if the package has been opened
43. Which of these is not a property of good food packaging?
(A) Mechanical strength
(B) Barrier protection
(C) Toxicity
(D) Compatibility with food
44. The abbreviation PVC stands for:
(A) Polyvinyl Compound
(B) Polyvinyl Chloride
(C) Plastic Vinyl Container
(D) Polymerized Vinyl Carbonate
45. The first plastic used for food packaging was:
(A) HDPE
(B) PET
(C) Cellophane
(D) LDPE
46. Retort packaging can withstand temperatures up to:
(A) 70°C
(B) 50°C
(C) 121°C
(D) 90°C
47. Shrink packaging involves:
(A) Using liquid nitrogen
(B) Removing product moisture
(C) Heat-shrinking a plastic film tightly around a product
(D) Compressing food
48. Which packaging material provides the best aroma protection?
(A) Cloth
(B) Paper
(C) Cellulose
(D) Aluminum foil
49. The main environmental concern with plastic packaging is:
(A) Transparency
(B) Weight
(C) Non-biodegradability and pollution
(D) Recyclability
50. The ultimate goal of food packaging technology is:
(A) To increase advertising
(B) To maintain food quality, safety, and shelf life
(C) To raise production cost
(D) To reduce product nutrition