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WorksheetsQuiz on Introduction to Nanotechnology
Total questions: 20
Worksheet time: 10mins
What does the term ‘nano’ mean in Greek?
Small
Dwarf
Invisible
Atomic
What is the size range of nanomaterials?
10–100 µm
1–100 nm
0.1–10 mm
100–1000 µm
Who coined the term "Nanotechnology"?
Richard Feynman
Norio Taniguchi
James Watson
Robert Hooke
Which ancient artifact is an example of nanotechnology in Roman times?
Pompeii statue
Roman coin
Lycurgus cup
Colosseum glass
What type of particles give the Lycurgus cup its color-changing property?
Copper
Iron
Gold and silver nanoparticles
Aluminum
Who is considered the father of modern nanotechnology?
Albert Einstein
Richard Feynman
Max Planck
Linus Pauling
What approach involves breaking down bulk materials to nanoscale?
Top-up
Bottom-down
Top-down
Reverse-synthesis
Which approach builds nanoparticles from atomic or molecular levels?
Down-top
Atomic fusion
Bottom-up
Surface synthesis
Which type of nanomaterial has a diameter less than 100 nm and high surface area to volume ratio?
Nanocomposite
Nanoparticle
Nanofibre
Nanobead
Which of the following is a potential application of nanotechnology in food?
Electricity generation
Medical imaging
Food packaging
Road construction
What are nano-biosensors used for in food safety?
Increasing flavor
Enhancing packaging color
Detecting pathogens and contaminants
Preventing browning
Which of the following is NOT a component of a nano-biosensor?
Bioreceptor
Transducer
Detector
Refrigerator
Which type of biosensor detects changes in light properties?
Mechanical
Thermal
Optical
Magnetic
Which nanomaterial is used in antimicrobial food packaging?
Zinc nitrate
Magnesium sulfate
Silver nanoparticles
Carbon dioxide
Which food packaging type involves the use of nanosensors and RFID tags?
Basic packaging
Improved packaging
Smart packaging
Traditional packaging
What is a major challenge with polyphenol delivery in food?
High cost
Poor water solubility
Lack of flavor
High acidity
What is a benefit of nanoencapsulation in nutrient delivery?
Decreased absorption
Increased toxicity
Improved bioavailability
Reduced shelf life
Which nanomaterial form is used for edible coatings to extend shelf life?
Nano-sprays
Nanoencapsulated bioactives
Nanogels
Nano-caps
Which health condition is associated with the translocation of nanoparticles to the brain?
Scurvy
Parkinson's disease
Asthma
Influenza
Which organization estimates 600 million fall ill from contaminated food each year?
FDA
FSSAI
WHO
USDA
