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WorksheetsSTS Final Examination
Total questions: 30
Worksheet time: 26mins
Which of the following is NOT a product of nanotechnology?
Carbon nanotubes
Enigma machine
Scratch-resistant pants
Stain-resistant pants
Which of the following is a NOT practical application of nanotechnology?
A radiation detector made to detect a nuclear leak in Japan faster and more accurate than regular detectors
Electronic tags that stick to car windscreens to pay fares on toll roads
Graphene-based coating (nanopaint) used in blades of wind turbines and bodies of airplanes, saving weight and increasing efficiency
Nanoprobes used on explorations of planetary and celestial bodies
What is the usual dimensional size of a nanomaterial?
1 nm to 1000 nm
1 nm to 200 nm
1 nm to 100 nm
1 nm to 50 nm
Which of the following is NOT a nanoparticle?
Nanofibers
Graphene
Colloid
Buckyballs
What percentage of sunlight that falls on the Earth’s surface must be harnessed to meet Earth’s energy needs by 2030?
30.00%
3.00%
0.30%
0.03%
Which of the following is a negative impact of nanotechnology on the environment?
Aids in the remediation of environmental pollution
Enhances efficiencies of monitoring devices
Increases toxicological pollution on the environment due to the uncertain shape, size, and chemical compositions of some of the nanomaterials
Increases the strengths of many materials and devices
Which of the following defines Moore’s Law?
It explains the positive effect described in economics and business that an additional user of a good or service has on the value of that product to others
It is the observation that the number of transistors in a dense integrated circuit doubles about every two (2) years.
It says that bandwidth grows at least three times faster than computer power.
It states that the value of a telecommunications network is proportional to the square of the number of connected users of the system (n2).
How can maximum productivity be achieved when using nanofactories?
By having a two-dimensional array of micron-scale devices that are processing small molecular fragments that can produce larger structures in a matter of hours.
By having a three-dimensional array of micron-scale devices that are processing small molecular fragments that can produce larger structures in a matter of hours.
By having a two-dimensional array of micron-scale devices that can produce structures by rearranging the molecular structure of previously built ones.
By having a three-dimensional array of micron-scale devices that can produce structures by rearranging the molecular structure of previously built ones.
Which of the following uses the genetic material not as an information molecule but as a structure?
Molecular self-assembly
Lipid nanotechnology
Protein engineering
Structural DNA nanotechnology
Which of these nanotechnologies was developed in Belgium used to harvest hydrogen from polluted air?
Fuel Cells
Nanomembrane
Nanoparticle swarm
Paper battery
Which of these nanotechnologies was developed by Stanford University using thin cellulose infused with aligned carbon?
Fuel Cells
Nanomembrane
Nanoparticle swarm
Paper battery
How much does the Philippine government allocate its budget in research and development?
0.1%
0.2%
0.4%
0.5%
Which of these is the gene-editing technique composed of artificial restriction enzymes that consist of zinc finger repeats (DNA binding domain) and type II endonuclease Fok-1 (DNA cleavage domain)?
CRISPR-Cas9
TALENs
ZFNs
None of these
Which of these is the gene-editing technique based on a prokaryotic immune system?
CRISPR-Cas9
TALENs
ZFNs
None of these
Which of these is NOT a genetic process?
Articulation
Replication
Transcription
Translation
What does CRISPR stand for?
Clustered Regularly Interspaced Short Palindromic RNA
Clustered Restructured Interspaced Short Palindromic RNA
Clustered RNA Interspaced Short Palindromic Repeats
Clustered Regularly Interspaced Short Palindromic Repeats
What does Cas stand for?
CRISPR-Associated Palindrome
CRISPR-Associated Protein
CRISPR-Associated Prokaryote
CRISPR-Associated Plasmid
What makes up the current CRISPR system?
A guide DNA and a Cas protein (Cas 9)
A guide ribosome and a Cas protein (Cas 9)
A guide RNA and a Cas protein (Cas 9)
A guide RNA and a Cas plasmid (Cas 9)
TRUE or FALSE
A guide RNA is a short synthetic RNA composed of a scaffold sequent necessary for Cas 9 binding, and the user-defined spacer or targeting sequent
(a)
TRUE or FALSE
Cas9 change the genomic target by changing the targeting sequent present in the guide RNA
(a)
Why are embryonic stem cells favored in the stem cell industry?
They are easy to harvest from two-day-old embryos.
They are easy to harvest from mature adipose tissues.
They are pluripotent: they can easily differentiate into a variety of cell types.
They are unipotent: they can easily differentiate into one type of cell
TRUE or FALSE
In medicine, nanotechnology is applied by allowing associated drugs and therapeutics to reach diseased tissue and healthy cells.
(a)
In nanotechnology applications, solar cells absorbs both sunlight and indoor light and converts it into electricity. The basic concept is that Plastic is made using nanoscale titanium particles coated in photovoltaic dyes, which generate electricity when they absorb light.
(a)
TRUE or FALSE
For fuel cells, nanotechnology is applied by making the production of fuels from normal raw materials more efficient.
(a)
TRUE or FALSE
Nanotechnology uses catalyst to enable a chemical reaction at a lower temperature or make the reaction more effective to develop solutions to the very problem of water quality.
(a)
_______ _______ provide anti-microbial, anti-fungal. anti-yeasts, and anti-viral activities that used by companies on their food packaging products.
(a)
Which of the choices is in the Philippine Nanotechnology Development priority list?
food packaging
nanodevice fabrication
water purification and in vitro diagnostics in healthcare
environmental sensors and environmental treatment
corrosion resistant ceramics
He was the project leader of the DOST Roadmap for Nanotechnology Development.
(a)
What makes the statement FALSE about the application of nanotechnology in electronics?
Transistor sizes in integrated circuits are being reduced.
transistor
integrated
reduced
none of these
Catalysts can lower the temperature at which raw materials are converted to fuel or increase the percentage of fuel burned at a given temperature.
This statement is TRUE for?
Batter
Fuels
Better air quality
Fuel cells
