Nanomaterials — MCQ Practice

Which of the following statements about nanomaterials is/are correct? 1. Nanomaterials typically have at least one dimension in the range of 1 to 100 nanometers. 2. Quantum confinement effects are observed when materials are reduced to the nanoscale. 3. The surface-area-to-volume ratio of a material decreases significantly at the nanoscale. Select the correct answer using the code given below:

Which of the following is NOT a 'bottom-up' approach for synthesizing nanomaterials?

Consider the following applications: 1. Targeted drug delivery in cancer therapy. 2. Development of self-cleaning surfaces. 3. Enhanced efficiency in solar cells. 4. Creation of lightweight and high-strength composites. Which of the above are potential applications of nanomaterials?

With reference to India's 'Nano Mission', consider the following statements: 1. It was launched by the Ministry of Electronics and Information Technology (MeitY). 2. One of its primary objectives is to promote basic research in nanoscience and nanotechnology. 3. It focuses exclusively on defense applications of nanomaterials. Which of the statements given above is/are correct?

Which of the following characterization techniques is best suited for determining the internal structure and crystal lattice of nanomaterials at atomic resolution?

Consider the following statements regarding Graphene: 1. It is a 3D material composed of carbon atoms arranged in a hexagonal lattice. 2. It is known for its exceptional electrical conductivity and transparency. 3. It has potential applications in flexible displays and ultra-fast electronics. Which of the statements given above is/are correct?

Which of the following is a primary concern regarding the environmental impact of nanomaterials?

The term 'plasmonics' is associated with which of the following nanomaterials?

Which Indian government department is the nodal agency for the 'Nano Mission'?

The use of Titanium Dioxide (TiO2) nanoparticles in sunscreens is primarily due to their ability to:

Which of the following is a key advantage of using nanomaterials in drug delivery systems?

Consider the following statements about Carbon Nanotubes (CNTs): 1. They possess exceptionally high tensile strength. 2. They are excellent electrical insulators. 3. They are typically synthesized using 'top-down' approaches like ball milling. Which of the statements given above is/are correct?

Which of the following is a primary focus of the current phase of India's Nano Mission?

Dendrimers are a type of polymeric nanomaterial characterized by their:

Which of the following is a major challenge in the industrial scale-up of nanomaterial production?

The term 'nanocomposites' refers to materials that:

Which of the following is NOT a characteristic property of nanomaterials?

The use of silver nanoparticles (AgNPs) in wound dressings is primarily due to their:

Which international organization is actively involved in developing standards for nanotechnologies, including terminology, measurement, and health & safety?

Regarding the ethical implications of nanotechnology, which of the following is a valid concern?

Which of the following characterization techniques is used to determine the hydrodynamic size and zeta potential of nanoparticles in a liquid suspension?

Which of the following is a potential application of nanomaterials in the defense sector?

The sol-gel method is primarily used for the synthesis of:

Which of the following is an example of a 2D nanomaterial?

The term 'nanobiopharmaceuticals' primarily refers to:

Which of the following is a potential benefit of using nano-fertilizers in agriculture?

The 'quantum dot' is a type of semiconductor nanocrystal whose emitted light color depends on its:

Which of the following is a 'top-down' synthesis method for nanomaterials?

The Bureau of Indian Standards (BIS) plays a role in nanotechnology by:

Which of the following characterization techniques provides 3D topographical maps and surface roughness information at the nanoscale?

Nanomaterials can contribute to environmental remediation by:

Which of the following statements about 'Fullerenes' is correct?

The 'Nano Mission' in India is primarily focused on:

Which of the following is a potential ethical concern related to the widespread use of nanotechnology?

The term 'nanowires' refers to 1D nanomaterials that have:

Which of the following is a characteristic of 'nanocomposites'?

The 'Nano Mission' in India aims to address which of the following aspects? 1. Basic research in nanoscience. 2. Human resource development in nanotechnology. 3. Ethical, legal, and social implications of nanotechnology. Select the correct answer using the code given below:

Which of the following is a potential application of nanomaterials in the energy sector?

The term 'photocatalysis' in the context of nanomaterials is best exemplified by the use of:

Which of the following is a primary role of CSIR laboratories in India's nanotechnology landscape?

The concept of 'Atmanirbhar Bharat' is linked to India's nanotechnology efforts through:

Which of the following is a common method for characterizing the chemical functional groups present on the surface of nanomaterials?

The term 'nanosheets' refers to 2D nanomaterials that are:

Which of the following is a key challenge in the regulatory oversight of nanomaterials?