Novel Technologies in Food packaging and recent development
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Question No. 1
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What is
nanotechnology
in food packaging primarily used for?
A.
Enhancing barrier properties, antimicrobial activity, and sensing capabilities
B.
Reducing packaging costs only
C.
Making packaging opaque
D.
Increasing packaging weight
Question No. 2
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Which nanoparticles are commonly used for
antimicrobial properties
in active packaging?
A.
Iron oxide nanoparticles only
B.
Gold nanoparticles only
C.
Calcium nanoparticles
D.
Silver nanoparticles (Ag NPs) and Zinc oxide nanoparticles (ZnO NPs)
Question No. 3
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What is the
primary function
of intelligent packaging systems?
A.
Reduce packaging volume
B.
Change food flavor
C.
Only increase packaging strength
D.
Monitor and communicate food quality and freshness to consumers
Question No. 4
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Which natural pigment is commonly used in
colorimetric indicators
for smart packaging?
A.
Chlorophyll from grass
B.
Synthetic petroleum dyes
C.
Metallic compounds only
D.
Anthocyanins from red cabbage, purple sweet potato, or berries
Question No. 5
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What does
RFID
stand for in food packaging traceability?
A.
Remote Food Information Database
B.
Regulated Food Inspection Data
C.
Radio Frequency Identification
D.
Rapid Fresh Indicator Device
Question No. 6
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Which technology combines
blockchain with QR codes
for food traceability?
A.
Paper-based tracking
B.
FoodSQRBlock and similar blockchain-enabled traceability systems
C.
Traditional barcode systems
D.
Manual record keeping
Question No. 7
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What is
electrospinning
technology used for in food packaging?
A.
Creating ultrafine nanofiber membranes with high surface area
B.
Printing labels
C.
Sealing packages with heat
D.
Cutting packaging materials
Question No. 8
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What are
edible films and coatings
primarily made from?
A.
Heavy metals
B.
Synthetic rubber
C.
Biopolymers like proteins, polysaccharides, and lipids
D.
Petroleum-based plastics
Question No. 9
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Which protein is widely used in
electrospun nanofibers
for food packaging?
A.
Gelatin and whey protein isolate (WPI)
B.
Myoglobin
C.
Keratin from hair
D.
Hemoglobin
Question No. 10
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What is the advantage of
cold plasma technology
in food packaging?
A.
Coloring packaging materials
B.
Adding moisture to packaging
C.
Increasing packaging temperature
D.
Non-thermal decontamination of packaging materials and surfaces
Question No. 11
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What is the
main benefit
of 3D printing in food packaging?
A.
Limited design options
B.
Slower production speed
C.
Customization, complex geometries, and on-demand production
D.
Higher material waste
Question No. 12
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Which material is considered a
carbon-based nanomaterial
used in smart sensors?
A.
Calcium carbonate
B.
Graphene and carbon nanotubes (CNTs)
C.
Silicon dioxide
D.
Aluminum oxide
Question No. 13
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What does
IoT
stand for in connected packaging?
A.
Internet of Things
B.
Interactive Online Trading
C.
Intelligent Optical Technology
D.
Integration of Transportation
Question No. 14
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What is the purpose of
time-temperature indicators (TTIs)
?
A.
Measure packaging weight
B.
Monitor temperature abuse and predict remaining shelf life
C.
Increase product price
D.
Change packaging color for aesthetics
Question No. 15
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Which biopolymer is derived from
whey
, a dairy by-product?
A.
Pectin
B.
Chitosan
C.
Whey protein isolate (WPI)
D.
Zein
Question No. 16
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What is the
overall migration limit
for nanomaterials in food packaging as a safety concern?
A.
Migration must comply with regulatory limits to prevent nanoparticle transfer to food
B.
No limits are required
C.
Only appearance matters
D.
Migration is encouraged
Question No. 17
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Which technology provides
decentralized and tamper-proof
data storage for food traceability?
A.
Excel spreadsheets
B.
Paper records
C.
Blockchain technology
D.
Manual filing systems
Question No. 18
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What is
graphene oxide (GO)
commonly used for in smart packaging?
A.
Increasing package weight
B.
Adding color to packaging
C.
Humidity sensors due to its water-sensitive properties
D.
Reducing transparency
Question No. 19
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What is the main advantage of using
natural anthocyanins
over synthetic dyes in indicators?
A.
Shorter shelf life
B.
Less color variety
C.
More expensive
D.
Non-toxic, biodegradable, and safer for food contact
Question No. 20
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What is
active packaging
?
A.
Packaging without any function
B.
Packaging that interacts with food or environment to extend shelf life
C.
Packaging used only for display
D.
Packaging that remains completely inert
Question No. 21
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Which platform is commonly used for developing
blockchain-enabled food traceability
systems?
A.
Google Docs
B.
Microsoft Word
C.
Adobe Photoshop
D.
Hyperledger Fabric
Question No. 22
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What is the function of
oxygen scavengers
in active packaging?
A.
Change package color
B.
Remove oxygen from package to prevent oxidation and microbial growth
C.
Increase moisture content
D.
Add oxygen to package
Question No. 23
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What does
PHA
stand for in biodegradable packaging materials?
A.
Polyhydroxyalkanoates
B.
Packaged Heat Applications
C.
Polymer Hybrid Assembly
D.
Plastic Hybrid Aluminum
Question No. 24
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Which property of
nanocomposite films
typically improves with nanofiller addition?
A.
Transparency decreases significantly
B.
Young's modulus (mechanical strength) and barrier properties
C.
Biodegradation decreases
D.
Water permeability increases
Question No. 25
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What is
Zein
used for in food packaging?
A.
A metal coating
B.
A corn protein used for making biodegradable films
C.
A glass derivative
D.
A synthetic plastic
Question No. 26
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What is the benefit of
combining 3D printing with electrospinning
?
A.
Limited applications
B.
Lower mechanical strength
C.
Reduced functionality
D.
High porosity with controllable shape and adequate mechanical strength
Question No. 27
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Which gas is commonly used in
cold plasma treatment
of packaging?
A.
Methane
B.
Oxygen, nitrogen, and helium
C.
Propane
D.
Carbon monoxide
Question No. 28
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What is the
main challenge
in commercializing nanomaterial-based packaging?
A.
Too lightweight
B.
Safety assessment, migration testing, and regulatory approval
C.
Excessive transparency
D.
Too many color options
Question No. 29
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What does
AIDC technology
stand for in intelligent packaging?
A.
Artificial Intelligence Display Code
B.
Automatic Identification and Data Capture
C.
Advanced International Data Control
D.
Automated Item Distribution Center
Question No. 30
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What is
chitosan
and why is it used in food packaging?
A.
A polysaccharide from shellfish with antimicrobial and film-forming properties
B.
A glass coating
C.
A synthetic polymer from petroleum
D.
A metal alloy
Question No. 31
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What is the purpose of
freshness indicators
in intelligent packaging?
A.
Change product flavor
B.
Reduce shelf space
C.
Detect volatile compounds or pH changes indicating spoilage
D.
Increase package weight
Question No. 32
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Which recent innovation uses
3D printing technology
for smart labels?
A.
Hand-written labels
B.
Traditional paper printing
C.
Non-phase change foam 3D printing for color-sensitive indicators
D.
Metal stamping
Question No. 33
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What is
PLA
in biodegradable packaging?
A.
Primary Layer Application
B.
Packaged Label Adhesive
C.
Plastic Layer Aluminum
D.
Polylactic Acid, a biodegradable polymer from renewable resources
Question No. 34
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What is the advantage of
spray coating
in nanomaterial application?
A.
Scalable production and uniform coating of packaging materials
B.
Non-uniform application
C.
Limited coverage area
D.
Requires expensive equipment only
Question No. 35
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What is
genipin
used for in polysaccharide packaging films?
A.
A flavoring compound
B.
A coloring agent
C.
A natural crosslinking agent to improve mechanical and barrier properties
D.
A preservative
Question No. 36
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Which application uses
fluorescent sensing
in smart packaging?
A.
Detection of specific gases or chemical changes through fluorescence changes
B.
Reducing costs only
C.
Adding weight to packaging
D.
Increasing package opacity
Question No. 37
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What is the role of
titanium dioxide nanoparticles (TiO₂ NPs)
in packaging?
A.
Increasing transparency only
B.
Adding yellow color
C.
Reducing barrier properties
D.
UV protection, antimicrobial activity, and photocatalytic degradation
Question No. 38
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What is
consortium blockchain
in food supply chain?
A.
A private blockchain for one company
B.
A permissioned blockchain controlled by multiple authorized organizations
C.
A public blockchain open to everyone
D.
A non-digital system
Question No. 39
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What is the main benefit of
edible coating
on fresh produce?
A.
Increases water loss
B.
Accelerates ripening
C.
Reduces nutritional value
D.
Reduces moisture loss, gas exchange, and extends shelf life
Question No. 40
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Which
plant-based protein
shows promise in edible film applications?
A.
Actin
B.
Myosin
C.
Hemoglobin
D.
Soybean protein isolate, gluten protein, and zein
Question No. 41
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What is the purpose of
antimicrobial nanoparticles
in packaging films?
A.
Add flavor to food
B.
Change packaging color only
C.
Increase microbial growth
D.
Inhibit bacterial growth and extend food shelf life
Question No. 42
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What does
ECM-like properties
mean in electrospun nanofibers?
A.
Extra cost management
B.
Energy consumption monitoring
C.
Similar structure to natural extracellular matrix with interconnected pores
D.
Electronic color matching
Question No. 43
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Which material is used for
gas sensing
in smart packaging?
A.
Wood pulp
B.
Metal oxide nanoparticles and carbon-based nanomaterials
C.
Cotton fibers
D.
Glass beads
Question No. 44
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What is
Passiflora suberosa
extract used for in smart packaging?
A.
A novel pH-sensitive biosensor with natural anthocyanins
B.
A preservative
C.
A flavoring agent
D.
A structural polymer
Question No. 45
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What is the
logarithmic reduction
achieved by cold plasma in packaging decontamination?
A.
Below 1 log reduction
B.
No reduction
C.
Above 4 log reduction of pathogens
D.
Negative reduction
Question No. 46
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What is the advantage of
cellulose-based materials
in humidity sensors?
A.
Non-biodegradable
B.
Insensitive to moisture
C.
Biodegradable, abundant, and sensitive to moisture changes
D.
Expensive and rare
Question No. 47
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What is the role of
purple potato anthocyanin
in nanofiber packaging?
A.
Adds sweetness to food
B.
Provides pH-sensitive color change and antioxidant properties
C.
Reduces shelf life
D.
Increases package weight
Question No. 48
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What is
radiation technology
used for in biodegradable packaging production?
A.
Crosslinking biopolymers to improve mechanical and barrier properties
B.
Adding color to packaging
C.
Increasing packaging weight
D.
Reducing film formation
Question No. 49
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What information can
QR codes
on food packaging provide to consumers?
A.
Product origin, supply chain details, nutritional information, and authenticity
B.
Only manufacturing date
C.
Only product name
D.
No information
Question No. 50
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What is the
main environmental benefit
of bio-based packaging materials?
A.
Increase landfill waste
B.
Biodegradable, renewable, and reduce plastic waste
C.
Non-degradable
D.
Petroleum-dependent
Question No. 51
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What is
syringic acid
used for in nanofiber packaging?
A.
A food coloring
B.
Enhances mechanical properties, antioxidant, and antimicrobial activity
C.
A preservative for internal use
D.
A sweetener
Question No. 52
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What is the
GE-McKinsey Nine-Box Matrix
used for in biopolymer packaging?
A.
Evaluating market attractiveness and competitive advantage
B.
Measuring package weight
C.
Testing color stability
D.
Calculating shipping costs
Question No. 53
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Which technology enables
real-time monitoring
during food transit?
A.
Wax seals
B.
String markers
C.
Carbon-based sensors for humidity, temperature, and mechanical stress
D.
Paper labels
Question No. 54
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What is the
main challenge
with electrospinning pure whey protein?
A.
Too inexpensive
B.
Forms fibers too quickly
C.
Requires addition of other polymers for adequate chain entanglement
D.
Too easy to process
Question No. 55
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What is
encapsulation
in nanofiber packaging systems?
A.
Increasing fiber diameter
B.
Trapping bioactive compounds or probiotics within nanofiber structure
C.
Removing all functional ingredients
D.
Reducing functionality
Question No. 56
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What does
supply chain transparency
mean in blockchain-enabled packaging?
A.
All stakeholders can access verified information about product journey
B.
No information is shared
C.
Data is hidden from consumers
D.
Only one company knows product details
Question No. 57
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What is the
main benefit
of porous structure in 3D-printed smart labels?
A.
Reduced functionality
B.
Increased weight
C.
Lower sensitivity
D.
Enhanced color sensitivity and faster response to environmental changes
Question No. 58
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What is
consumer ethnocentrism
related to in blockchain traceability?
A.
Preference for domestic products and willingness to pay for local traceability
B.
Rejection of all technology
C.
Disinterest in product origin
D.
Preference for imports only
Question No. 59
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What is the
future outlook
for nano-enabled smart packaging?
A.
No challenges remain
B.
Requires standardized safety assessments, eco-friendly design, and regulatory frameworks
C.
Will be completely replaced
D.
No future development needed
Question No. 60
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What is the advantage of
non-thermal processing
in cold plasma technology?
A.
Changes food taste significantly
B.
Requires high temperatures
C.
Preserves nutritional and sensory qualities while ensuring safety
D.
Damages nutrients
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