by DeepWebLabs
CUET-PG SERIES
Material-science-and-technology

Nanoscale Science

14 previous year questions.

Volume: 14 Ques
Yield: Medium

High-Yield Trend

14
2024

Chapter Questions
14 MCQs

01
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Nanotechnology and Environment
Which of the following statements are true?
(A) Nanoparticles are used in wastewater treatment.
(B) Nanomaterials detoxify contaminants like metals.
(C) Nanosensors guard the environment.
(D) Nanomaterials fail to reduce the carbon footprint.
Choose the correct answer from the options given below:
1
(A), (B), (C).
2
(A), (B), (C), (D).
3
(B), (A), (D), (C).
4
(C), (B), (D), (A).
02
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
To be classified as nanoscale, objects must have dimensions of the order of:
(A)
(B)
(C)
(D)
Choose the correct answer from the options given below:
1
(A), (B), (C).
2
(A), (B), (D).
3
(A), (B), (C), (D).
4
(B), (C), (D).
03
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Surface Area to Volume Ratio
The surface area to volume ratio of a cube with side 1 unit (R) and a cube with side 10 units (R) is:
(A) R = 1/100 R
(B) R = 1/50 R
(C) R = 1/10 R
(D) R = R
Choose the correct answer from the options given below:
1
(A), (B), (D).
2
(A), (B), (C), (D).
3
(C).
4
(A), (B), (C).
04
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Quantum Confinement
Which of the following is true regarding quantum confinement?
(A) Energy gap is proportional to the inverse square root of size.
(B) Energy gap is proportional to the inverse of size.
(C) Energy gap is proportional to the square of size.
(D) Energy gap is proportional to the inverse of the square of size.
Choose the correct answer from the options given below:
1
(A)
2
(B)
3
(C)
4
(D)
05
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Nanotechnology in Construction
Which of the following statements are true?
(A) Nanomaterials act as binding agents in cement.
(B) Nano-engineering uses Vacuum Insulation Panels and Phase Change Panels for thermal insulation.
(C) Nanomaterials strengthen and improve mud houses in villages.
(D) Nanomaterials enhance construction material durability and workability.
Choose the correct answer from the options given below
1
(A), (B), (D).
2
(B), (C), (D).
3
(A), (D), (C).
4
(B), (D), (A).
06
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Nanomaterial Coatings on Substances
Which of the following statements are true?
(A) Surface coatings enhance hardness and corrosion resistance.
(B) Nanocoatings repel water and dirt, making surfaces self-cleaning.
(C) Nanoparticles on surfaces can change the color of products.
(D) Coated surfaces can be anti-viral, anti-fog, and anti-bacterial.
Choose the correct answer from the options given below:
1
(A), (B), (D).
2
(A), (B), (C)
3
(A), (B), (C), (D).
4
(B), (C), (D).
07
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Solar Cells and Nanotechnology Applications
Which of the following statements are true regarding nanotechnology in solar cells?
(A) Solar radiations are absorbed more effectively by photovoltaic panels with silicon nanoparticles.
(B) Nanomaterials on rooftops can harvest solar energy for electricity.
(C) Quantum dot technologies are being used to maximize solar energy generation.
(D) Nanomaterials reduce reflectivity, guiding radiation into cells to maximize efficiency.
Choose the correct answer from the options given below:
1
(A), (B), (D).
2
(A), (B), (C)
3
(A), (B), (C), (D).
4
(A), (C), (D).
08
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Nanotechnology Transformations
Which statements are true?
(A) Opaque substances become transparent at nano-level.
(B) Insulators behave as semiconductors at nano-level.
(C) Products become stronger and durable at nano-level.
(D) Nanomaterials change semiconductors into dielectrics.
Choose the correct answer from the options given below:
1
(A), (B), (D).
2
(A), (B), (C)
3
(A), (B), (C), (D).
4
(B), (C), (D).
09
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Nanomaterials in Food Technology
Which statements are true?
(A) Used for packing
(B) Nanosensors for pathogens and bacteria
(C) Enhancing flavor by direct addition
(D) Increased shelf life
Choose the correct answer from the options given below:
1
(A), (B), (D).
2
(A), (B), (C)
3
(A), (B), (C), (D).
4
(B), (C), (D).
10
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Nanotechnology in Medical Science
Which of the following are true?
(A) Nanomaterials used in Medicines
(B) Diagnostics
(C) Cell Therapy
(D) Surgery by CNTs
Choose the correct answer from the following.
1
(A), (B), (C).
2
(A), (B), (D)
3
(A), (B), (C), (D).
4
(B), (C), (D).
11
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Match List-I with List-II
List-I (Dimensions)List-II (Materials shape)
(A) Quantum dot(I) 3-dimensional
(B) Quantum Wire(II) 2-dimensional
(C) Quantum Well(III) 1-dimensional
(D) Micro-materials(IV) 0-dimensional
Choose the correct answer from the options given below:
1
(A) - (II), (B) - (I), (C) - (III), (D) - (IV)
2
(A) - (III), (B) - (II), (C) - (I), (D) - (IV)
3
(A) - (IV), (B) - (III), (C) - (II), (D) - (I)
4
(A) - (I), (B) - (IV), (C) - (II), (D) - (III)
12
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Match List-I with List-II
List-I (Concept)List-II (Author)
(A) Concept of Carbon Nanotubes(I) Richard Feynman
(B) Concept of Nanotechnology(II) Sumio Iijima
(C) Discovery of Bucky ball (C60)(III) Andero Geim
(D) Discovery of Graphene(IV) Richard Smalley et al
Choose the correct answer from the options given below:
1
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
2
(A) - (II), (B) - (I), (C) - (IV), (D) - (III)
3
(A) - (IV), (B) - (II), (C) - (I), (D) - (III)
4
(A) - (III), (B) - (IV), (C) - (II), (D) - (I)
13
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Match List-I with List-II
List-I (Name of Items)List-II (Approximate Size)
(A) Diameter of Human Hair(I) 1-10 nm
(B) Size of Quantum Dot(II) 5 × 10-5 m
(C) Width of M CNT(III) 50-100 nm
(D) Size of Virus(IV) 2-4 nm
Choose the correct answer from the options given below:
1
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
2
(A) - (I), (B) - (III), (C) - (IV), (D) - (I)
3
(A) - (III), (B) - (II), (C) - (I), (D) - (IV)
4
(A) - (II), (B) - (I), (C) - (IV), (D) - (III)
14
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Match List-I with List-II
List-I (Size of Things)List-II (Approximate Size)
(A) Size of atom(I) 2.5 nm
(B) Size of Bucky ball (C60)(II) 0.1 nm
(C) Size of CNT(III) 1 nm
(D) Size of DNA(IV) 2 nm
Choose the correct answer from the options given below:
1
(A) - (II), (B) - (III), (C) - (I), (D) - (IV)
2
(A) - (IV), (B) - (I), (C) - (III), (D) - (I)
3
(A) - (II), (B) - (IV), (C) - (I), (D) - (III)
4
(A) - (I), (B) - (II), (C) - (IV), (D) - (III)