nano sciences mcqs questions

What is nanotechnology? Nanotechnology is a rapidly developing field that deals with the manipulation of matter on an atomic and molecular scale, typically ranging from 1 to 100 nanometers (nm). This realm is incredibly small, as a comparison – a human hair is roughly 80,000 nm wide! By working at this tiny scale, scientists can create materials and devices with unique properties that wouldn’t be possible using traditional methods.

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Nano Sciences / Material Sciences Quiz

cDNA is:-

Which is not an advantage of   nanowire ;-

Glutaraldehyde  is a ;-

carbon nano tubes   display   magneto resistance at low   temperature ;-

When semi conductors are reduced   to nanometres   they become  pure   conductors :-

Quantum  dots are  ________ in nature  ;-

Carbon nanotubes   are the sheets   of graphite   about :-

A water cooled surface   is used in the process to collect ;-

CVD stands for:-

How many types of   vapor phase  deposition   technique   are present ;-

When semi conductor   are reduced  to  nanometers   they become  pure conductors ;-

Which is not an application   of semiconductor   nano crystal ;-

The bandgap   of graphene   remains  unaltered   with functionalization of its edges ;-

Osmium  is a  :-

How many oxygen  atom  lined  up in a row  would  fit in a one  nano meter   space :-

Nano  particles   that are used as   pharmaceutical   delivery   system   are called as :-

A CO   sensor made   of Zirconia   uses which characteristics  to detect any  change ;-

Nano pores are made up of :-

Which  nanomateerial   is used for   cutting tools  ;-

Structure that have a thickness  constrained   to tens of   nms  and   an  unconstrained   length are  called as ;-

Graphene  can be used   as an additive   for  lubricants :-

What is nano technology :-

The solvent evolve   toward the formation of an   inorganic  continuous   network   containing   a ;-

CNFs  stand for :-

The tensile   strength  of  a carbon  nanotube is   ___________ times that of  steel ;-

Nano Sciences MCQs with Answers

  1. The fullerenes, carbon molecules resembling soccer balls, are classified as _______ nanostructures. (zero-dimensional)
  2. Quantum dots, semiconductor nanoparticles, exhibit unique optical properties due to _______ confinement effects. (quantum)
  3. The study of manipulating individual atoms and molecules using tools like scanning tunneling microscopes belongs to _______ manipulation. (atomic)
  4. Graphene, a single layer of carbon atoms, is known for its exceptional _______ conductivity. (electrical)
  5. The potential negative impact of nanoparticles on living organisms is an ongoing concern in _______ nanotoxicity.
  6. Superconductors exhibit zero electrical _______ at specific temperatures. (resistance)
  7. Biocompatible materials used in implants and medical devices require high _______. (biocompatibility)
  8. Shape-memory alloys can return to their original shape after deformation due to the _______ transition. (martensitic)
  9. Metamaterials are engineered materials with properties not found in nature, achieved through _______ structures. (artificial)
  10. Composite materials combine different materials to achieve superior _______ properties compared to individual components. (mechanical)
  11. The ability to tailor nanoparticles for specific applications is possible through techniques like _______ functionalization. (surface)
  12. Nanorobots, hypothetical microscopic machines, are envisioned for applications in areas like _______ medicine. (molecular)
  13. The study of interactions between nanomaterials and biological systems falls under the field of _______ nanotoxicology.
  14. Amorphous materials lack a defined _______ structure, unlike crystalline materials. (atomic)
  15. Piezoelectric materials generate electricity when subjected to _______ pressure. (mechanical)
  16. Shape-memory polymers offer potential for applications in areas like _______ drug delivery. (controlled)
  17. Self-healing materials can autonomously repair damage, thanks to embedded _______ mechanisms. (microencapsulation)
  18. Superalloys are used in high-temperature applications like jet engines due to their exceptional _______ resistance. (heat)
  19. Quantum computing utilizes _______ properties of materials to perform complex calculations. (quantum)
  20. The ethical considerations surrounding the development and use of nanotechnologies require _______ collaboration. (multidisciplinary)
  21. The potential environmental impact of nanomaterials necessitates responsible _______ management. (lifecycle)
  22. The National Nanotechnology Initiative (NNI) is a U.S. government program that supports research and development in _______ technology. (nano)
  23. The term “nanobot” was popularized by the science fiction writer _______ K. Eric Drexler. (Robert)
  24. The ability to “write” with individual atoms opens the door to creating nanosized _______ like microscopic circuits. (machines)
  25. Researchers are exploring ways to utilize the unique properties of graphene for developing ultra-fast _______ devices. (electronics)
  26. The future of personalized medicine might involve _______ therapy, delivering drugs directly to diseased cells using nanoparticles. (targeted)
  27. Metamaterials with negative refractive index properties can bend light in unusual ways, potentially leading to _______ cloaking technology. (invisibility)
  28. Self-cleaning surfaces inspired by lotus leaves utilize the concept of _______ to repel water and dirt. (superhydrophobicity)
  29. Biomimetic materials, inspired by nature, offer sustainable solutions with remarkable _______ properties. (functional)
  30. The ethical considerations surrounding human _______ enhancement using nanotechnologies require careful discussion. (augmentation)
  31. The potential disruption of traditional industries by nanotechnologies necessitates proactive planning for workforce _______. (transition)
  32. Understanding the long-term health and environmental impact of nanomaterials requires ongoing _______ research. (interdisciplinary)
  33. The world’s first commercially available car with a graphene-reinforced body was launched by a _______ car manufacturer. (Italian)
  34. The discovery of fullerenes earned three scientists the Nobel Prize in Chemistry in _______. (1996)
  35. Carbon nanotubes, rolled-up sheets of graphene, exhibit exceptional _______ strength and conductivity. (mechanical, electrical)
  36. Quantum dots can be “doped” with impurities to tune their _______ properties, enabling diverse applications. (optical)
  37. The assembly of nanoparticles into complex structures with desired functionalities is known as _______ assembly. (hierarchical)
  38. Shape-memory alloys exhibit the _______ effect, recovering their original shape upon heating. (pseudoelastic)
  39. Magnetostrictive materials change their shape when exposed to a _______ field, enabling applications like actuators. (magnetic)
  40. High-entropy alloys, with multiple elements in near-equal proportions, often exhibit surprising mechanical and functional properties due to the _______ effect. (cocktail)
  41. Researchers are exploring the use of nanodiamonds for _______ drug delivery, leveraging their biocompatibility and unique properties. (targeted)
  42. Water splitting using sunlight and photocatalysts like nanomaterials holds promise for the production of clean _______ fuel. (hydrogen)
  43. The field of _______ manufacturing aims to create products at the nanoscale with precise control over structure and properties. (additive)
  44. The potential risks of _______ exposure, including inhalation and ingestion, necessitate thorough safety assessments. (nanomaterial)
  45. Public engagement and education are crucial for building trust and ensuring the responsible development and application of nanotechnologies, fostering _______ acceptance. (social)
  46. Interdisciplinary collaboration across various fields, from physics and chemistry to engineering and medicine, is key to unlocking the full _______ potential of nanotechnology. (transformative)
  47. The first commercially available product utilizing carbon nanotubes was a _______ racket by a Japanese sporting goods company. (tennis)
  48. The European Union has established a regulatory framework for nanomaterials known as _______ (REACH).
  49. The manipulation of light at the nanoscale using _______ structures paves the way for advancements in fields like optical computing and metamaterials. (plasmonic)
  50. The field of _______ spintronics utilizes the spin of electrons for information processing, potentially leading to faster and more energy-efficient devices. (nano)
  51. The ability to 3D print at the nanoscale opens doors for creating intricate _______ structures with tailored functionalities. (architectured)
  52. Topological insulators, materials with unique insulating properties on the surface and conducting properties in the bulk, hold promise for next-generation _______ devices. (quantum)
  53. MXenes, a class of two-dimensional transition metal carbides and nitrides, exhibit remarkable properties like high _______ conductivity and superlubricity. (electrical)
  54. Organic electronics, based on conducting polymers, offer advantages like flexibility and low-cost processing, potentially revolutionizing the field of _______ electronics. (printed)
  55. Researchers are exploring the use of nanotechnologies for _______ water purification, addressing global water scarcity challenges. (decentralized)
  56. The development of biocompatible and efficient _______ catalysts could revolutionize energy production and storage, paving the way for a sustainable future. (nanocatalysts)
  57. The field of _______ nanorobotics envisions microscopic machines for medical interventions and environmental remediation, although ethical considerations remain paramount. (molecular)
  58. As nanotechnology continues to evolve, ensuring _______ access to its benefits and addressing potential risks requires international collaboration and responsible governance. (equitable)
  59. The integration of artificial intelligence (AI) with nanotechnology could accelerate discovery and innovation, but necessitates careful consideration of the _______ implications. (ethical)
  60. Continuous advancements in education and training are crucial to prepare the workforce for the _______ future shaped by nanotechnology. (transformative)
  61. The world’s first commercially available self-cleaning window coating incorporating nanotechnology was launched by a German chemical company. (BASF)
  62. The discovery of graphene, a single layer of carbon atoms, earned its researchers the Nobel Prize in Physics in _______. (2010)
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