MULTIDIMENSIONAL EDUCATIONAL TECHNICAL AND RESEARCH SOCIETY
INTRODUCTION TO NANOTECHNOLOGY-I: MCQs
& SHORT ANSWERS
MULTIPLE-CHOICE QUESTIONS,
Engineering
Chemistry Questions and Answers – Nanotechnology
This set of Engineering
Chemistry Multiple Choice Questions & Answers (MCQs) focuses on
“Nanotechnology”.
SELECT THE CORRECT ALTERNATIVE:
1.
"There is a plenty of room at the bottom." This
was stated by
A.
Issac Newton
B.
Albert Einstein
C.
Richard Feynman
D.
Eric Drexler
2.
1 nanometre= _______ cm.
A.
10(-9)
B.
10(-8)
C.
10(-7)
D.
10(-6)
3.
The size of E.coli bacteria is ______ nm
A.
75000
B.
2000
C.
200
D.
5
4.
The diameter of human hair is _______ m
A.
75000
B.
75
C.
7.5 x 10(-5)
D.
7.5 x 10(-9)
5.
The most important property of nanomaterials is
A.
force
B.
friction
C.
pressure
D.
temperature
6.
The diameter of a bucky ball is about ______
A.
1 Ao
B.
100 Ao
C.
1 nm
D.
10 nm
7.
A bucky ball is a molecule consisting of ___ carbon atoms
A.
50
B.
60
C.
75
D.
100
8.
The cut-off limit of human eye to see is _____ nm
A.
10
B.
100
C.
1000
D.
10000
9.
1 meter = ______ nm.
A.
109
B.
10(-9)
C.
1010
D.
10(-10)
10.
The diameter of a bucky ball is about ______
A.
1 Ao
B.
10 Ao
C.
100 Ao
D.
1000 Ao
11.
The diameter of hydrogen atom is ______ nm.
A.
10
B.
1
C.
0.1
D.
0.01
12.
The size of a quantum dot is ______ m.
A.
5
B.
5 x 10(-9)
C.
5 x 10(-10)
D.
5 x 10(-11)
13.
20 micron = ______ nm
A.
20 x 10(-9)
B.
20 x 109
C.
200
D.
20000
14.
1 mm = ______ nm
A.
106
B.
10(-6)
C.
107
D.
10(-7)
15.
The hardest material found in nature is ______.
A.
steel
B.
topaz
C.
diamond
D.
quartz
16.
______ are the extentions of bucky balls.
A.
Geodesic domes
B.
Hexagons
C.
Carbon nanotubes
D.
AFM and STM
17.
Nanotechnology, in other words, is
A.
Carbon engineering
B.
Atomic engineering
C.
Small technology
D.
Microphysics
18.
The width of carbon nanotube is ______nm.
A.
1
B.
1.3
C.
1.55
D.
10
19.
The diameter of fly ash particles is _____ μm
A.
5-10
B.
10-20
C.
20-30
D.
100
20.
The tensile strength of a carbon nanotube is _____ times
that of steel.
A.
10
B.
25
C.
100
D.
1000
21.
The ratio of thermal conductivity of silver to that of a
carbon nanotube is _____.
A.
100 : 1
B.
1 : 100
C.
10 : 1
D.
1 : 10
22.
In a bucky ball, each carbon atom is bound to _____
adjacent carbon atoms.
A.
1
B.
2
C.
3
D.
4
23.
The size of red and white blood cells is in the range of
_____μm.
A.
2-5
B.
5-7
C.
7-10
D.
10-15
24. Which of the following is an example of
top-down approach for the preparation of nanomaterials?
a) Gas phase agglomeration
b) Molecular self-assembly
c) Mechanical grinding
d) Molecular beam epitaxy
a) Gas phase agglomeration
b) Molecular self-assembly
c) Mechanical grinding
d) Molecular beam epitaxy
View Answer Answer: c
Explanation: Mechanical grinding is an example of top-down approach for the preparation of nanomaterials. All the other options are the example of bottom-up approach.
Explanation: Mechanical grinding is an example of top-down approach for the preparation of nanomaterials. All the other options are the example of bottom-up approach.
25. Which of the following is an example of
bottom-up approach for the preparation of nanomaterials?
a) Etching
b) Dip pen nano-lithography
c) Lithography
d) Erosion
View Answer Answer: b
Explanation: Dip pen nanolithography is an example of bottom-down approach for the preparation of nanomaterials. All the other options are the example of top-down approach.
a) Etching
b) Dip pen nano-lithography
c) Lithography
d) Erosion
View Answer Answer: b
Explanation: Dip pen nanolithography is an example of bottom-down approach for the preparation of nanomaterials. All the other options are the example of top-down approach.
26. The properties like melting point,
solubility, color, etc changes on varying the
a) Size
b) Composition
c) Surface properties
d) None of the mentioned
View Answer Answer: a
Explanation: The properties like melting point, solubility, color, etc changes on varying the size of the particles. These all are the physical properties and depends upon the physical characteristics of the particle.
a) Size
b) Composition
c) Surface properties
d) None of the mentioned
View Answer Answer: a
Explanation: The properties like melting point, solubility, color, etc changes on varying the size of the particles. These all are the physical properties and depends upon the physical characteristics of the particle.
27. The properties like dispersibility,
conductivity, etc changes on varying the
a) Size
b) Composition
c) Surface properties
d) None of the mentioned
View Answer Answer: c
Explanation: The properties like dispersibility, conductivity, etc changes on varying the surface properties of the nanoparticle. These all are the chemical properties and depends upon the surface characteristics of the particle.
a) Size
b) Composition
c) Surface properties
d) None of the mentioned
View Answer Answer: c
Explanation: The properties like dispersibility, conductivity, etc changes on varying the surface properties of the nanoparticle. These all are the chemical properties and depends upon the surface characteristics of the particle.
28. Quantum confinement results in
a) Energy gap in semiconductor is proportional to the inverse of the square root of size
b) Energy gap in semiconductor is proportional to the inverse of the size
c) Energy gap in semiconductor is proportional to the square of size
d) Energy gap in semiconductor is proportional to the inverse of the square of size
View Answer Answer: d
Explanation: The energy gap in a semiconductor is proportional to the inverse of the square of size. This effect is a result of quantum confinement.
a) Energy gap in semiconductor is proportional to the inverse of the square root of size
b) Energy gap in semiconductor is proportional to the inverse of the size
c) Energy gap in semiconductor is proportional to the square of size
d) Energy gap in semiconductor is proportional to the inverse of the square of size
View Answer Answer: d
Explanation: The energy gap in a semiconductor is proportional to the inverse of the square of size. This effect is a result of quantum confinement.
29. Which of the following is the principal
factor which causes the properties of nanomaterials to differ significantly
from other materials?
a) Size distribution
b) Specific surface feature
c) Quantum size effects
d) All the mentioned
View Answer Answer: d
Explanation: Size distribution, specific surface feature and quantum size effects are the principal factor which causes the properties of nanomaterials to differ significantly from other materials.
a) Size distribution
b) Specific surface feature
c) Quantum size effects
d) All the mentioned
View Answer Answer: d
Explanation: Size distribution, specific surface feature and quantum size effects are the principal factor which causes the properties of nanomaterials to differ significantly from other materials.
30. Select the incorrect statement from the
following options.
a) Self-assembly is a top-down manufacturing technique
b) In self-assembly, weak interactions play very important role
c) Self-assembling molecules adopt a organised structure which is thermodynamically more stable than the single, unassembled components
d) Compared to the isolated components, the self-assembled structure has a higher order
View Answer Answer: a
Explanation: Self-assembly is a bottom-down manufacturing technique. All the other options are correct. In self-assembly, weak interactions play very important role, self-assembling molecules adopt a organised structure which is thermodynamically more stable than the single, unassembled components.
a) Self-assembly is a top-down manufacturing technique
b) In self-assembly, weak interactions play very important role
c) Self-assembling molecules adopt a organised structure which is thermodynamically more stable than the single, unassembled components
d) Compared to the isolated components, the self-assembled structure has a higher order
View Answer Answer: a
Explanation: Self-assembly is a bottom-down manufacturing technique. All the other options are correct. In self-assembly, weak interactions play very important role, self-assembling molecules adopt a organised structure which is thermodynamically more stable than the single, unassembled components.
31. Which of the following is the
application of nanotechnology to food science and technology?
a) Agriculture
b) Food safety and biosecurity
c) Product development
d) All of the mentioned
View Answer Answer: d
Explanation: The application of nanotechnology to food science and technology are agriculture, food safety and biosecurity, product development, food processing and ingredient technologies.
a) Agriculture
b) Food safety and biosecurity
c) Product development
d) All of the mentioned
View Answer Answer: d
Explanation: The application of nanotechnology to food science and technology are agriculture, food safety and biosecurity, product development, food processing and ingredient technologies.
32. What are the advantages of
nano-composite packages?
a) Lighter and biodegradable
b) Enhanced thermal stability, conductivity and mechanical strength
c) Gas barrier properties
d) All of the mentioned
View Answer Answer: d
Explanation: The advantages of nano-composite packages are-Lighter and biodegradable, enhanced thermal stability, conductivity, mechanical strength and gas barrier properties.
a) Lighter and biodegradable
b) Enhanced thermal stability, conductivity and mechanical strength
c) Gas barrier properties
d) All of the mentioned
View Answer Answer: d
Explanation: The advantages of nano-composite packages are-Lighter and biodegradable, enhanced thermal stability, conductivity, mechanical strength and gas barrier properties.
33. The efficiency of today’s best solar
cell is about
a) 15-20%
b) 40%
c) 50%
d) 75%
View Answer Answer: b
Explanation: The efficiency of today’s best solar cells is about 40%. A solar cell, or photovoltaic cell is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect.
a) 15-20%
b) 40%
c) 50%
d) 75%
View Answer Answer: b
Explanation: The efficiency of today’s best solar cells is about 40%. A solar cell, or photovoltaic cell is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect.
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34: The prefix "nano" comes from
a ...
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a)
French word meaning billion
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b)
Greek word meaning dwarf
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c)
Spanish word meaning particle
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d)
Latin word meaning invisible
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35: Who first used the term
nanotechnology and when?
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a)
Richard Feynman, 1959
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b)
Norio Taniguchi, 1974
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c)
Eric Drexler, 1986
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d)
Sumio Iijima, 1991
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36: What is a buckyball?
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a)
A carbon molecule (C60)
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b)
Nickname for Mercedes-Benz's futuristic
concept car (C111)
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c)
Plastic explosives nanoparticle (C4)
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d)
Concrete nanoparticle with a compressive
strength of 20 nanonewtons (C20)
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37: Which of these historical works of art
contain nanotechnology?
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a)
Lycurgus cup
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b)
Medieval stained glass windows in churches
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c)
Damascus steel swords
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d)
All of the above
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38: What is depicted in this famous
image?
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a)
Artist's nanoscale illustration of the
Circus Maximus in Rome
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b)
Scanning Tunneling Microscope image of
electrons surrounded by iron atoms
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c)
Simulation of underwater volcanoes near the
Hawaiian Islands
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d)
Nanoscale version of a bear trap to capture
nanoparticles
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39: Richard Feynman is
often credited with predicting the potential of nanotechnology. What was the title of his famous speech given on
December 29, 1959?
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a)
There is a tiny room at the bottom
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b)
Things get nanoscopic at the bottom
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c)
Bottom? What bottom?
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d)
There is plenty of room at the bottom
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40: How many oxygen atoms
lined up in a row would fit in a one nanometer space?
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a)
None; an oxygen atom is bigger than 1 nm
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b)
One
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c)
Seven
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d)
Seventy
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41: Which one of these
statements is NOT true?
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a)
Gold at the nanoscale is red
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b)
Copper at the nanoscale is transparent
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c)
Silicon at the nanoscale is an insulator
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d)
Aluminum at the nanoscale is highly
combustible
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42: Which of these
consumer products is already being made using nanotechnology methods?
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a)
Fishing lure
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b)
Golf ball
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c)
Sunscreen lotion
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d)
All of the above
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43: If you were to shrink
yourself down until you were only a nanometer tall, how thick would a sheet
of paper appear to you?
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a)
170 meters
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b)
1.7 kilometers (a bit more than a mile)
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c)
17 kilometers
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d)
170 kilometers
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44: What is graphene?
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a)
A new material made from carbon nanotubes
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b)
A one-atom thick sheet of carbon
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c)
Thin film made from fullerenes
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d)
A software tool to measure and graphically
represent nanoparticles
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45: Which of these
well-known phrases from Star Trek depends on the (fictional) use of
nanotechnology?
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a)
Beam me up, Scotty!
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b)
Tea. Earl Grey. Hot.
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c)
You will be assimilated. Resistance is
futile.
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d)
All of the above
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46: What is grey goo?
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a)
A hypothetical substance composed of
out-of-control self-replicating nanobots that consumes all living matter on
Earth
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b)
The feeder material used to grow grey
nanoparticles in the laboratory
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c)
Toxic byproduct resulting from the
synthesis of carbon nanotubes
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d)
Waste product from the production of
nanoglue made from the membranes on the feet of the Madagascan Grey Gecko
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47: Which one of these
condiments is unique due to the nanoscale interactions between its
ingredients?
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a)
Ketchup
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b)
Mustard
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c)
Mayonnaise
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d)
All of the above
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48: Nanorobots
(nanobots)...
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a)
Do not exist yet
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b)
Exist in experimental form in laboratories
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c)
Are already used in nanomedicine to remove
plaque from the walls of arteries
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d)
Will be used by NASA in the next unmanned
mission to Mars
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49: What is the 2017
budget for the U.S. National Nanotechnology Initiative?
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a)
$587 million
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b)
$917 million
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c)
$1.4 billion
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d)
$2.1 billion
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50: Plasmonics is...
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a)
A field of nanophotonics that holds the
promise of molecular-size optical device technology
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b)
The science of fluorescent nanoparticles
used in modern fireworks
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c)
A hypothetical science used in science
fiction weaponry (plasma cannons)
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d)
The technology used to design and build the
laser-guided photonic gyroscopes used in aviation.
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51: Optical tweezers...
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a)
Are used to remove facial hair with
miniaturized laser beams
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b)
Use light to manipulate particles as small
as a single atom
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c)
Are a nanotechnology-based tool for stamp
collectors
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d)
Don't exist
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52: A silver coin with a
diameter of 4 cm (such as the U.S. silver dollar) contains 26.96 grams of
coin silver and has a surface area of about 27.7 square cm. If the same 26.96
grams of coin silver were divided into particles 1 nanometer in diameter,
what would their combined surface area be?
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a)
11.4 square meters
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b)
140 square meters
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c)
1,400 square meters
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d)
11,400 square meters
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53: And what exactly is a
quantum dot?
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a)
A semiconductor nanostructure that confines
the motion of conduction band electrons, valence band holes, or excitons in
all three spatial directions.
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b)
The sharpest possible tip of an Atomic
Force Microscope
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c)
A fictional term used in science fiction
for the endpoints of wormholes
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d)
Unexplained spots that appear in electron
microscopy images of nanostructures smaller than 1 nanometer
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54. 10 nm = _____ m
[A] 10-8
[B] 10-7
[C] 10-9
[D] 10-10
55. The size of nanoparticles is between _____ nm.
[A] 100 to 1000
[B] 0.1 to 10
[C] 1 to 100
[D] 0.01 to 13.
56.
1 m = _____ nm.
[A] 10-9
[B] 10-8
[C] 109
[D] 108
57. "There is plenty of room at the bottom." This was stated by _____.
[A] Eric Drexler
[B] Richard Feynman
[C] Harold Croto
[D]Richard Smalley
58. Who coined the word 'nanotechnology'?
[A] Eric Drexler
[B] Richard Feynman
[C] Sumio Tijima
[D] RichardSmalley
59. Nanoscience can be studied with the help of...
[A] quantum mechanics
[B] Newtonian mechanics
[C] macro-dynamics
[D] geophysics
60. Who was the first scientist to describe that substances having
nanodimensions possess altogether different and unique properties?
[A] Richard Feynmann
[B] Eric Drexler
[C] Archimedes
[D] MichaelFaraday
61. The diameter of human hair is ____ nm.
[A] 50,000
[B] 75,000
[C] 90,000
[D] 1,00,000
62. The diameter of human hair is ____ m.
[A] 5 x 10-8
[B] 5 x 10-7
[C] 5 x 10-6
[D] 5 x 10-5
63. The thickness of a transistor is ____ nm.
[A] 50
[B] 90
[C] 2,000
[D] 5,000
64. 1 micrometer (micron) = ______ m.
[A] 10-9
[B] 10-8
[C] 10-7
[D] 10-6
65. 1 micrometer (micron) = ______ nm.
[A] 1,000
[B] 100
[C] 10
[D] 0.01
66. Which ratio decides the efficiency of nanosubstances?
[A] Weight/volume
[B] Surface area/volume
[C] Volume/weight
[D] Pressure/volume
67. The surface area to volume ratio of a sphere with radius 1 cm isR
1 and
that of a sphere with radius 5 cm is R2. Then R1 = ____ R2.
[A] 3
[B] 1/3
[C] 5
[D] 1/5
68. The surface area to volume ratio of a cube with side 1 unit is R
1 and
that of a cube with side 10 units is R2 . Then R 2 = ____ R 1
[A] 1/10
[B] 3S²
[C] 6S
[D] 6S²
69. A cube
of side “S” has a volume = :
[A] 3S
[B] 3S²
[C] S³
[D] 6S³
70. Peeling 10 Kg of large potatoes is :
[A] equal to 10 Kg small potatoes
[B] less than 10 Kg small potatoes
[C] more than 10 Kg small
potatoes
[D] very small
(neglected) than 10 Kgsmall potatoes
71. Cooling a drink with crushed ice is:
[A] slower than
a single ice cube of the same mass
[B]
faster than asingle ice cube of the same mass
[C] the same as a single icecube
of the same mass
72. Thin French fries cook :
[A] slower in oil than fat fries
[B] faster in oil than fat fries
[C]the same in oil with
fat fries
73. If a woman
and a small child fall into a cold lak
[A] child will cool down slowly
[B] woman will cool down slowly
[C] child will cool down fast
[D] woman will cool down fast
74. The diameter of
human hair is _______ m
[A] 7500
[B] 75
[C] 7.5 x 10(-5)
[D] 7.5 x
10(-9)
75. 1 mm is _______ nm
[A] 106
[B] 10(-6)
[C] 107
[D]10(-7)
76. 20 micron is
=_______ nm
[A] 20 x 10(-9)
[B] 20 x 109
[C] 200
[D] 20000
77. 1 nanometer is
=_______ cm
[A] 10(-9)
[B] 10(-8)
[C] 10(-7)
[D] 10(-6)
78. The most important
property of nonmaterial is :
[A] force
[B] friction
[C] pressure
[D] temperature
79. The first bioinformatics database was created by
a. Richard Durbin
b. Dayhoff
c. Michael j.Dunn
d. Pearson
80.
SWISSPROT protein sequence database began in
a. 1985
b. 1986
c. 1987
d. 1988
81. An
example of Homology & similarity tool?
a. PROSPECT
b. EMBOSS
c. RASMOL
d. BLAST
82. The
tool for identification of motifs?
a. COPIA
b.
Patternhunter
c. PROSPECT
d. BLAST
83. First
molecular biology server Expasy in the year?
a. 1991
b. 1992
c. 1993
d. 1994
84.
Deposition of cDNA into inert structure is
a. DNA
finingerprinting
b. DNA
polymerase
c. DNA
probes
d. DNA
microarrays
85. Human
genome contains about
a. 2 billion
base pairs
b. 3 billion base pairs
c. 4 billion
base pairs
d. 5 billion base pairs
86. The identification of drugs through
genomic study
a. Genomics
b. Cheminformatics
c. Pharmagenomics
d. Phrmacogenetics
87. Analysing or comparing entire genome
of species
a. Bioinformatics
b. Genomics
c. Proteomics
d. Pharmacogenomics
88. Characterizing molecular component
is
a. Genomics
b. Cheminformatics
c. Proteomics
d. Bioinformatics
89. "There is a plenty of room at
the bottom." This was stated by
a. Issac Newton
b. Albert Einstein
c. Richard Feynman
d. Eric Drexler
90. 1 nanometre= _______ cm.
a. 10(-9)
b. 10(-8)
c. 10(-7)
d. 10(-6)
91. The size of E.coli bacteria is
______ nm
a. 75000
b. 2000
c. 200
d. 5
92. The diameter of human hair is
_______ m
a. 75000
b. 75
c. 7.5 x 10(-5)
d. 7.5 x 10(-9)
93. The most important property of
nanomaterials is
a. force
b. friction
c. pressure
d. temperature
94. The diameter of a bucky ball is
about ______
a. 1 Ao
b. 100 Ao
c. 1 nm
d. 10 nm
95. A bucky ball is a molecule
consisting of ___ carbon atoms
a. 50
b. 60
c. 75
d. 100
96. The cut-off limit of human eye to
see is _____ nm
a. 10
b. 100
c. 1000
d. 10000
97. 1 meter = ______ nm.
a. 109
b. 10(-9)
c. 1010
d. 10(-10)
98. The diameter of a bucky ball is
about ______
a. 1 Ao
b. 10 Ao
c. 100 Ao
d. 1000 Ao
99. The diameter of hydrogen atom is
______ nm.
a. 10
b. 1
c. 0.1
d. 0.01
100. The size of a quantum dot is ______
m.
a. 5
b. 5 x 10(-9)
c. 5 x 10(-10)
d. 5 x 10(-11)
1. 20 micron = ______ nm
a. 20 x 10(-9)
b. 20 x 109
c. 200
d. 20000
2. 1 mm = ______ nm
a. 106
b. 10(-6)
c. 107
d. 10(-7)
3. The hardest material found in nature
is ______.
a. steel
b. topaz
c. diamond
d. quartz
4. ______ are the extentions of bucky
balls.
a. Geodesic domes
b. Hexagons
c. Carbon nanotubes
d. AFM and STM
5. Nanotechnology, in other words, is
a. Carbon engineering
b. Atomic engineering
c. Small technology
d. Microphysics
6. The width of carbon nanotube is
______nm.
a. 1
b. 1.3
c. 1.55
d. 10
7. The diameter of fly ash particles is
_____ μm
a. 5-10
b. 10-20
c. 20-30
d. 100
8. The tensile strength of a carbon
nanotube is _____ times that of steel.
a. 10
b. 25
c. 100
d. 1000
9. The ratio of thermal conductivity of
silver to that of a carbon nanotube is _____.
a. 100 : 1
b. 1 : 100
c. 10 : 1
d. 1 : 10
10. In a bucky ball, each carbon atom is
bound to _____ adjacent carbon atoms.
a. 1
b. 2
c. 3
d. 4
11. The size of red and white blood
cells is in the range of _____μm.
a. 2-5
b. 5-7
c. 7-10
d. 10-15
12. Who is generally credited with the first serious scientific
claim that manufacturing on the molecular or even the atomic scale was
possible? The claim was made at California Technical Institute and was called,
"There's Plenty of Room at the Bottom".
a) Richard P. Feynman
b) Ed Regis
c) K. Eric Drexler
d) Ralph Merkle
13. In 1986, Dr. K. Eric Drexler published a book for the layman that gave a wide overview of the potential applications of molecular nanotechnology in such areas as computing, medicine, space science, and the military. What was the name of this ground-breaking book?
a) Smaller is Better
b) Engines of Creation
c) A Crowded Blueprint
d) The Atomic Cookbook
14. A particular molecule of carbon made up of sixty carbon atoms has received some press as a structure that shows promise as a basic building block in the area of molecular manufacturing. What is the whimsical nontechnical name for these molecules?
a) Fullerrods
b) Nanonodes
c) Buckyballs
d) Nanocubes
15. What is the general name for the class of structures made of rolled up carbon lattices?
a) Nanorods
b) Nanotubes
c) Nanosheets
d) Fullerrods
16. Nano, as a prefix, denotes what order of magnitude?
a) 10^-6
b) 10^-3
c) 10^-12
d) 10^-9
17. What is the term used in the field of nanotechnology to describe an as-yet theoretical device that "will be able to bond atoms together in virtually any stable pattern?"
a) Stacker
b) Replicator
c) Assembler
d) Constructor
18. In discussions of the potential of molecular nanotechnology, the possibility has been posited that badly or maliciously designed self-assembling structures could get out of control, and destroy or disassemble all structures they encounter in their blind quest to replicate. What is the term for such a structure or group of structures?
a) Blue goo
b) Green Goo
c) Red goo
d) Gray goo
19. Scientists discussing the potential of molecular nanotechnology realized the possibility that self-assembling molecular constructs could conceivably get out of control and destroy just about anything. This led to the concept that other constructs could be designed to neutralize and/or destroy the rogue substances before they got out of hand. By what colorful term are these theoretical "antibody" substances collectively known?
a) Gray goo
b) Green goo
c) Red goo
d) Blue goo
20. Many challenges exist to be overcome before molecular manufacturing can truly reach maturity as an applied science. Which of the following is such a challenge when designing molecular machinery?
a) Thermal noise
b) Complexity of design
c) Quantum fluctuation
d) All of these
21. As of public record at the end of 2002, which country was making the greatest annual investment in molecular nanotechnology research?
a) Russia
b) United States
c) Japan
d) South Korea
a) Richard P. Feynman
b) Ed Regis
c) K. Eric Drexler
d) Ralph Merkle
13. In 1986, Dr. K. Eric Drexler published a book for the layman that gave a wide overview of the potential applications of molecular nanotechnology in such areas as computing, medicine, space science, and the military. What was the name of this ground-breaking book?
a) Smaller is Better
b) Engines of Creation
c) A Crowded Blueprint
d) The Atomic Cookbook
14. A particular molecule of carbon made up of sixty carbon atoms has received some press as a structure that shows promise as a basic building block in the area of molecular manufacturing. What is the whimsical nontechnical name for these molecules?
a) Fullerrods
b) Nanonodes
c) Buckyballs
d) Nanocubes
15. What is the general name for the class of structures made of rolled up carbon lattices?
a) Nanorods
b) Nanotubes
c) Nanosheets
d) Fullerrods
16. Nano, as a prefix, denotes what order of magnitude?
a) 10^-6
b) 10^-3
c) 10^-12
d) 10^-9
17. What is the term used in the field of nanotechnology to describe an as-yet theoretical device that "will be able to bond atoms together in virtually any stable pattern?"
a) Stacker
b) Replicator
c) Assembler
d) Constructor
18. In discussions of the potential of molecular nanotechnology, the possibility has been posited that badly or maliciously designed self-assembling structures could get out of control, and destroy or disassemble all structures they encounter in their blind quest to replicate. What is the term for such a structure or group of structures?
a) Blue goo
b) Green Goo
c) Red goo
d) Gray goo
19. Scientists discussing the potential of molecular nanotechnology realized the possibility that self-assembling molecular constructs could conceivably get out of control and destroy just about anything. This led to the concept that other constructs could be designed to neutralize and/or destroy the rogue substances before they got out of hand. By what colorful term are these theoretical "antibody" substances collectively known?
a) Gray goo
b) Green goo
c) Red goo
d) Blue goo
20. Many challenges exist to be overcome before molecular manufacturing can truly reach maturity as an applied science. Which of the following is such a challenge when designing molecular machinery?
a) Thermal noise
b) Complexity of design
c) Quantum fluctuation
d) All of these
21. As of public record at the end of 2002, which country was making the greatest annual investment in molecular nanotechnology research?
a) Russia
b) United States
c) Japan
d) South Korea
ANSWERS
TO MCQs:
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c
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a
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21
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d
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d
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a
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d
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b
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b
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b
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41
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60
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c
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b
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a
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a
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61
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b
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b
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81
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100
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