Top 150+ Solved Current Advances of Novel Drug Delivery System MCQ Questions Answer

From 76 to 90 of 106

Q. 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

  • c. Mechanical grinding

Q. 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

  • b. Dip pen nano-lithography

Q. What is the general name for the class of structures made of rolled up carbon lattices?

a. Nanorods

b. Nanotubes

c. Nanosheets

d. Fullerods

  • b. Nanotubes

Q. What ratio decides the efficiency of nano-substances?

a. Weight/Volume

b. Surface area/Volume

c. Volume/Weight

d. Pressure/Volume

  • b. Surface area/Volume

Q. “There is plenty of room at the bottom”. This was stated by

a. Eric Drexler

b. Harold Croto

c. Richard Feymann

d. Richard Smalley

  • c. Richard Feymann

Q. ____________ is the field in which the nanoparticles are used with silica coated iron oxide

a. Magnetic applications

b. Electronics

c. Medical diagnosis

d. Structural and mechanical materials

  • c. Medical diagnosis

Q. Coating the nano crystals with the ceramics is carried that leads to__________ .

a. Corrosion

b. Corrosion resistant

c. wear and tear

d. Soft

  • b. Corrosion resistant

Q. Which of the ceramic components are easier through nano structuring?

a. Lubrication

b. Coating

c. Fabrication

d. Wear

  • c. Fabrication

Q. How is nanotechnology used in the medical community?

a. Testing and diagnosis

b. Tissue engineering

c. Drug delivery

d. All the above

  • d. All the above

Q. Nanoscience can be studied with the help of ___________ .

a. Quantum mechanics

b. Newtonian mechanics

c. Macro-dynamics

d. Geophysics

  • a. Quantum mechanics

Q. The compressive strength of a nanotube ________ its tensile strength.

a. is less than

b. is greater than

c. is equal to

d. may be greater than

  • a. is less than

Q. Gel electrophoresis separates nucleic acid molecules based on ____________

a. charge on molecules

b. size of the molecules

c. nature of the molecules i.e. whether DNA or RNA

d. chemical properties of the nucleic acids

  • b. size of the molecules

Q. Which of the following is a characteristic of microspheres?

a. Free flowing powders

b. Aqueous solutions

c. Control drug release by partitioning the drug from the oil

d. Administration of emulsions

  • a. Free flowing powders

Q. What are the shape of the Microparticulates ?

a. Square

b. Triangle

c. Spherical

d. None

  • c. Spherical
Subscribe Now

Get All Updates & News