Nanomaterials Question & AnswersJune 21, 2022 By WatElectronics This article lists 75 Nanomaterials MCQs for Engineering Students. All the Nanomaterials Questions & Answers given below include solutions and links to the relevant topic. This is helpful for users who are preparing for their exams and interviews, or professionals who would like to brush up on the fundamentals of the Nanomaterials.The word nano corresponds to 10^-9 of a unit that is one-billionth of a unit. The top-down approach and bottom-up approach are the two types of approaches that are used to reach the nanoscale. The nanostructure material may be quantum dots, nanoparticles, nanorods, nanofibers, nanotubes, and so on. When one dimension of the material is at least between one to hundred nanometers then that material is called a nanomaterial. The nanomaterials are divided into four classes they are 1-D, 2-D, 3-D, and 0-D dimensional that including quantum dots, nanoparticles, etc. The one-dimensional nanomaterials include nanotubes, nanorods, nanowires, etc. The two-dimensional nanomaterials include thin films, nanofilms, graphene nanosheets, etc. The three-dimensional nanomaterials include bundles of nanowires, bulk powders, nanoparticles, etc. The nanomaterials are of two types they are naturally occurring nanomaterials and manmade materials. The virus, sea spray, volcanos, etc are the naturally occurring nanomaterials, the cooking smoke, industrial effluents, etc are the incidental nanomaterials. The main disadvantage of nanomaterials is they are unstable and recycling is hard. 1). Which one of the following materials cannot be seen by simple microscope? Nanomaterials Bulk materials Both a and b None of the above HintThe advanced microscopic techniques are used in nanomaterials.2). Which one of the following is an example for nanomaterial? Nano silica Sand Cement All of the above HintThe sand, cement, salts, ore, etc are the examples for bulk materials 3). The creating of nanoscale materials by chemically or physically breaking down the larger materials is known as ______________ approach in nanotechnology? Top-down Bottom-up Bottom-down None of the above HintThe top-down and bottom-up are the approaches in nan Read more about Nanotechnology4). Which of the following is an example for nanowires of metals? Silicon Nickel DNA None of the above HintThe nickel, gold, platinum, etc are the examples for nanowires of metals 5). Which of the following is an example for nanowires of insulators? Silicon dioxide Nickel DNA None of the above HintThe silicon dioxide, titanium dioxide, etc are the examples for nanowires of insulators 6). The polymeric nanoparticles come under _______________ dimensional nanomaterials? Zero One Two Three HintThe polymeric nanoparticles, dendrimers, liposomes, fullerenes, etc are the zero-dimensional nanomaterials 7). The bulk nanomaterials come under _______________ dimensional nanomaterials? Zero One Two Three HintThe bulk nanomaterials come under three dimensional nanomaterials8). Which one of the following neurotoxic effects comes under liposomes nanomaterial? Cognition defects Necrosis Astrogliosis None of the above HintThe necrosis, hemorrhage, macrophage infiltration, etc are the neurotoxic effects that comes under liposomes nanomaterial 9). What is the standard form of CNFs? Carbon Nanofibers Carbon Nanographene Carbide Nanographene None of the above HintThe CNFs are used in energy devices, filtration, nanocomposites, etc 10). Which one of the following is an example for top-down approach? Ball milling technique Sol-gel process Both a and b None of the above HintThe lithography, ball milling techniques are examples for top-down approach 11). The measurement range of electron microscopy is around _____________ meters? 1 m 1 nm 10 m 12 mm HintThe electron microscopy is one type of technique used to measure the particle sizes in nanometre dimension range 12). Which one of the following is an example for molecular nanowires? Silicon dioxide Titanium dioxide DNA None of the above HintThe nanowires are also known as a quantum nanowire 13). Which one of the following is an example for templates? Nano channel glass Gold Silver None of the above HintThe template assisted synthesis is one type of nanowire synthesi14). The adsorption of molecules is high in _____________ materials? Nanomaterials Bulk materials Both a and b None of the above HintThe nanomaterials are cannot be seen by simple microscope 15). Which one of the following neurotoxic effects comes under quantum dots? Cell function damage Increases oxidative stress Both a and b None of the above HintThe neurobehavioral toxicity, cognitive impairment, etc are the neurotoxic effects comes under quantum dots 16). The measurement range of dynamic light scattering is around _____________ meters? 1 m 5-500 nm 10 m 12 mm HintThe dynamic light scattering is one type of technique used to measure the particle sizes in the nanometre dimension range 17). The spirals and springs come under ____________ dimensional nanomaterial? One Two Three None of the above HintThe nanomaterials categorized into four types based on dimensions they are 0-D, 1-D, 2-D, and 3-D nanomaterials 18). The CVD reactors are categorized into ________________ types? One Two Three Four HintThe standard form of CVD is chemical vapour deposition 19). Which one of the following is an example for nanowires of semiconductors? Silicon dioxide Titanium dioxide Silicon None of the above HintThe silicon, indium phosphide, gallium nitrides are the example for nanowires of semiconductors 20). Which one of the following is an example for bottom-up approach? Ball milling technique Sol-gel process Both a and b None of the above HintThe physical vapour deposition, chemical vapour deposition, etc are the examples for bottom-up approach Nanomaterials MCQs for Exams21). What is the standard form of CNTs? Carbon Nanotubes Carbon Nanographene Tubes Carbide Nanographene Tubes None of the above HintThe CNTs are used in actuators, thin film electronics, boat hulls, etc 22). Which one of the following neurotoxic effects comes under dendrimers type nanomaterial? Cognition defects Astrogliosis Apoptosis None of the above HintThe apoptosis, decrease in locomotor function, inhibition of cell migration, etc are the neurotoxic effects comes under dendrimers type nanomaterial 23). The iron oxide nanoparticles come under _____________ dimensional nanomaterials? Zero One Two Three HintThe iron oxide nanoparticles, gold & silver nanoparticles, silica & titanium oxide, quantum dots all are comes under 0-Dimensional inorganic nanomaterials 24). In which one of the following the number of constituting particles are from two to several thousand? Atom/molecule Nanomaterials Bulk materials None of the above HintIn bulk materials the number of constituting particles are infinite 25). The number of constituting particles are one for atom and many for molecules in _____________? Atom/molecule Nanomaterials Bulk materials None of the above HintThe number of constituting particles are infinite in bulk materials26). What is the standard form of NOMFET? Nanoparticle Organic Memory Filed Effect Transistor Nanographene Organic Memory Filed Effect Transistor Nanocarbide Organic Memory Filed Effect Transistor None of the above HintThe NOMFET is one type of nano particle field effect transistor 27). What are the uses of carbon nanotubes? Used in composites Used in battery technology Both a and b None of the above HintThe carbon nano tubes used in composites, battery technologies, used for drug delivery, etc28). How many layers does multi walled nanotubes consists of? One Two Three Multi HintThe multi walled nanotubes exhibits semiconducting and metallic prope29). How many tubes of graphite's does single walled nanotubes consists of? One Two Three Multi HintThe nanotubes are of two types they are single walled and multi walled nano tubes 30). In which one of the following nanomaterial the quantum confinement occurs in two directions? One dimensional Two dimensional Three dimensional Zero dimensional HintThe nanotubes, nanowires, nanorods, etc are the examples for one dimensional nanomaterial 31). Which one of the following neurotoxic effects comes under gold nanoparticles? Cognition defects Necrosis Genotoxicity None of the above HintThe cognitive defects, astrogliosis, increases seizure activity, etc are the neurotoxic effects comes under gold nanoparticles 32). The nano whiskers come under _____________ dimensional nanomaterials? Zero One Two Three HintThe nano whiskers, carbon/titanium nanotubes, nanowires, nanofibers, etc all are coming under 1-Dimensional nanomaterials 33). The measurement range of centrifugal liquid sedimentation is around _____________ meters? 1 m 5-500 m 20 nm 12 mm HintThe centrifugal liquid sedimentation is one type of technique used to measure the particle sizes in nanometre dimension range 34). Which one of the following is a type of electro spun nanofiber? Cellulose CNT SWCNTs None of the above HintThe cellulose, bio-cellulose, GNF are the types of electros spun nanofibers 35). Which one of the following neurotoxic effects comes under carbon nanotubes? Lipid peroxidization Apoptosis Both a and b None of the above HintThe inhibition of cell proliferation, neuroinflammation, etc are the neurotoxic effects comes under carbon nanotubes 36). The hybrid nanomaterials are categorized into ______________ types? One Two Three Four HintThe hybrid nanomaterials are categorized into three types they are organics-organics, organic inorganics, and inorganic-inorganic nanomaterials37). Which one of the following comes under quantum dots? CdSe ZnS Both a and b None of the above HintThe metals, metal oxides, and quantum dots comes under inorganic nanomaterials 38). Which one of the following comes under three-dimensional nanomaterial? Embedded clusters Equiaxed crystallites Both a and b None of the above HintThe nanomaterials categorized into four types based on dimensions they are 0-D, 1-D, 2-D, and 3-D nanomaterials 39). In which one of the following, the number of constituting particles are infinite? Atom/molecule Nanomaterials Bulk materials None of the above HintIn nanoparticles the number of constituting particles are two to several thousands 40). In which one of the following nanomaterial, the quantum confinement occurs in one direction? One dimensional Two dimensional Three dimensional Zero dimensional HintThe ultrathin layer, ultra-thin film, etc are the examples for two dimensional nanomaterials Nanomaterials MCQs for Quiz41). What is the standard form of HNTs? Halloysite Nanotubes Halloysite Nanographene Tubes Halloysite Nanoparticle Tubes None of the above HintThe HNTs are one type of nanotube used in actuators, thin film electronics, etc 42). Which one of the following, neurotoxic effects comes under silver nanoparticles? Neuroinflammation Astrogliosis Cognition defects None of the above HintThe neuroinflammation, necrosis, apoptosis, etc are the neurotoxic effects comes under silver nanoparticles 43). The polymeric nanofilms come under _____________ dimensional nanomaterials? Zero One Two Three HintThe polymeric nanofilms, graphene oxide, etc all are coming under 2-Dimensional nanomaterials 44). Which one of the following comes under inorganic nanoparticles? Ferritin nanoparticles Micelles Both a and b None of the above HintThe liposomes, dendrimers, polymeric nanoparticles, etc comes under inorganic nanoparticles 45). The measurement range of small angle X-ray scattering is around _____________ meters? 5 nm 5-500 m 20 m 12 mm HintThe small angle X-ray scattering is one type of technique used to measure the particle sizes in nanometre dimension range 46). The sodium chloride is an example of _________________ materials? Atom/molecule Nanomaterials Bulk materials None of the above HintThe geometric structure of nanoparticles/nanoclusters is well defined structure and predictable 47). Which of the following are the crystal structure decides? Atom/molecule Nanomaterials Bulk materials None of the above HintThe atom/molecule and nanoparticles are well defined structures and they are predictable 48). In which one of the following material the electronic structure is continuous? Atom/molecule Nanomaterials Bulk materials None of the above HintIn atom/molecule and nanoparticles/nanoclusters the electronic structures are confined 49). Which one of the following comes under two-dimensional nanomaterial? Nano discs Nanolayers Both a and b None of the above HintThe nanomaterials categorized into four types based on dimensions they are 0-D, 1-D, 2-D, and 3-D nanomaterials 50). In which one of the following nanomaterial the quantum confinement occurs in all three directions? One dimensional Two dimensional Three dimensional Zero dimensional HintIn zero-dimensional nanomaterial the quantum confinement occurs in all three directions Read more about Nanomaterials51). Which one of the following neurotoxic effects comes under iron oxide nanoparticles? Necrosis Nerve conduction alterations Both a and b None of the above HintThe nerve conduction alterations, neuroinflammation, synaptic transmission alterations, etc are the neurotoxic effects comes under iron oxide nanoparticles 52). The metal nanoparticles and metal oxide-based nanoparticles are ______________ nanoparticles? Organic Inorganic Both a and b None of the above HintThe metal nanoparticles and metal oxide-based nanoparticles are inorganic nanoparticles53). The material with three or two or one external dimensions in the nanoscale is known as _____________? Nanoparticle Nanorod Nano-object Nanotube HintThe material with three or two or one external dimensions in the nanoscale is known as nano-object54). The nanotubes are categorized into ______________ types? One Two Three Four HintThe carbon nanotubes are organic type of nanomaterials 55). Which one of the following neurotoxic effects comes under silica nanoparticles? Cognitive impairment Cognitive dysfunction Both a and b None of the above HintThe cognitive impairment, cognitive dysfunction, synaptic transmission alterations, etc are the neurotoxic effects comes under silica nanoparticles 56). The carbon nanotubes, graphene, and fullerenes are the ______________ based nanoparticles? Organic Inorganic Carbon based None of the above HintThe carbon nanotubes, graphene, and fullerenes are the carbon-based nanoparticles57). The measurement range of particle tracking analysis method is around _____________ meters? 25 nm 5-500 m 20 m 12 mm HintThe particle tracking analysis method is one type of technique used to measure the particle sizes in nanometre dimension range58). Which one of the following is a type of hollow nanofiber? Nanowire Nanorod Nanotube None of the above HintThe nanorod is a type of solid nanofiber and the nanowire is an electrically conducting or semiconducting nanofiber 59). The nanoobject with all three external dimensions in the nanoscale is known as ______________? Nanowire Nanotube Nanorod Nanoparticle HintThe nanoobject with all three external dimensions in the nanoscale is known as nanoparticle60). Which one of the following options comes under physical property of nanoparticle? Melting point Hardness Strength Capacity of tensile deformation HintThe electrical and thermal conductivity, melting point comes under physical property of nanoparticle Nanomaterials MCQs for Interviews61). What is the standard form of NGPs? Nanographene Platelets Nanographene particles Nano particles None of the above HintThe graphene particles improve reliability and thermal conductivity 62). The size of the one-dimensional nanocrystals and clusters (quantum dots) is _____________ diameter? 1-10nm 1-7mm 1-10m None of the above HintThe size of the one-dimensional nanocrystals and clusters measures in nano meters 63). Which one of the following neurotoxic effects comes under titanium oxide nanoparticles? Increased oxidative stress Nerve conduction alterations Synaptic transmission alteration None of the above HintThe neuroinflammation, synaptic plasticity, genotoxicity, etc are the neurotoxic effects comes under titanium oxide nanoparticles 64). Which one of the following is an electrically conducting or semiconducting nanofiber? Nanowire Nanorod Nanotube None of the above HintThe nanorod is a type of solid nanofiber and the nanotube is a type of hollow nanofiber 65). Which one of the following materials can be seen by simple microscope? Nanomaterials Bulk materials Both a and b None of the above HintThe nanomaterials cannot be seen by simple microscope or naked eye 66). Which one of the following is an example for bulk material? Nano silica Sand Nano alumina All of the above HintThe nano silica, nano alumina, nano titania, etc are the examples for nanomaterial 67). The assembling of nano materials atom by atom or molecule by molecule is known as __________ approach? Top-down Bottom-up Bottom-down None of the above HintThe creating of nanoscale materials by chemically or physically breaking down the larger materials is known as top-down approach in nanotechnology 68). The gold bar and silver bar are the examples of _________________ materials? Atoms Nanomaterials Bulk materials None of the above HintThe geometric structure of bulk material is crystal structure decides 69). The measurement range of atomic force microscopy method is around _____________ meters? 25 m 5-500 m 20 m 1 nm HintThe atomic force microscopy method is one type of technique used to measure the particle sizes in nanometre dimension range 70). Which one of the following options comes under mechanical property of nanoparticle? Melting point Electrical conductivity Thermal conductivity Capacity of tensile deformation HintThe hardness, strength, capacity of tensile deformation comes under mechanical property of nanoparticle 71). Which one of the following neurotoxic effects comes under polymeric nanoparticles? Neuronal apoptosis Necrosis Haemorrhage None of the above HintThe neuronal apoptosis, neuroinflammation, increases oxidative stress, etc are the neurotoxic effects comes under polymeric nanoparticles 72). The NaCl and HCl are the examples of _________________ materials? Atom/molecule Nanomaterials Bulk materials None of the above HintThe geometric structure of atom/molecule is well defined structure and predictable 73). The adsorption of molecules is low in _____________ materials? Nanomaterials Bulk materials Both a and b None of the above HintThe bulk materials can be seen by simple microscope or naked eye 74). The absorption of molecules is fast in ________________ materials? Nanomaterials Bulk materials Both a and b None of the above HintThe absorption and adsorption of molecules in nano materials are fast and high 75). The measurement range of x-ray diffraction method is around _____________ meters? 25 m 5-500 m 20 m 1 nm HintThe x-ray diffraction method is one type of technique used to measure the particle sizes in nanometre dimension range Please fill in the comment box below. Time is Up! Time's up
