Nanobiotechnology MCQs

1. Which of the following is a primary application of nanobiotechnology in the field of medicine?
(A) Development of synthetic fertilizers
(B) Delivery of drugs to specific cells or tissues
(C) Enhancement of plant growth
(D) Production of biofuels

2. Which of the following materials is most commonly used in the fabrication of nanoparticles for drug delivery systems?
(A) Polymers
(B) Silicon
(C) Graphene
(D) Iron oxide

3. In the context of nanobiotechnology, what does “surface functionalization” refer to?
(A) The addition of functional groups to the surface of nanoparticles to improve their stability
(B) The process of attaching drugs to the surface of nanoparticles
(C) The method of altering the shape of nanoparticles to increase their efficiency
(D) The creation of nanoparticles from functional biomolecules

4. Which of the following techniques is commonly used for the synthesis of metallic nanoparticles in nanobiotechnology?
(A) Electroporation
(B) Sol-gel method
(C) Green synthesis method
(D) DNA microarray technology

5. In nanobiotechnology, what is the significance of “quantum dots”?
(A) They are used for protein purification
(B) They act as efficient drug delivery vehicles
(C) They are utilized for imaging and diagnostics due to their fluorescent properties
(D) They are used to stabilize nanoparticles in suspension

6. Which of the following is a major concern regarding the use of nanomaterials in biomedicine?
(A) They are too expensive for large-scale production
(B) They are prone to rapid degradation
(C) Their potential toxicity to human cells and the environment
(D) They cannot be synthesized in small sizes

7. Which of the following techniques can be used to characterize the size and distribution of nanoparticles?
(A) PCR
(B) Dynamic light scattering (DLS)
(C) Southern blotting
(D) Gas chromatography

8. Which of the following applications of nanobiotechnology involves the use of nanoparticles for detecting pathogens or toxins?
(A) Gene editing
(B) Nano biosensors
(C) Nano drug delivery systems
(D) Nano fertilizers

9. Which of the following types of nanoparticles is commonly used for gene delivery in nanobiotechnology?
(A) Liposomes
(B) Polymeric nanoparticles
(C) Carbon nanotubes
(D) All of the above

10. What is the role of “dendrimers” in nanobiotechnology?
(A) They are used for high-efficiency drug delivery and gene therapy
(B) They help stabilize proteins in solution
(C) They are used as catalysts in industrial processes
(D) They act as a source of energy in nanodevices

11. Which of the following is a key advantage of using nanomaterials for biosensing applications?
(A) Low cost and ease of mass production
(B) High sensitivity and the ability to detect very low concentrations of analytes
(C) Ability to function without any external power source
(D) None of the above

12. Which of the following nanomaterials has shown promise in cancer therapy due to its ability to deliver drugs directly to tumor cells?
(A) Gold nanoparticles
(B) Iron oxide nanoparticles
(C) Titanium dioxide nanoparticles
(D) Silicon dioxide nanoparticles

13. In nanobiotechnology, what is the principle behind using “nanorobots” for medical applications?
(A) They help monitor cell growth and differentiation in real-time
(B) They are used to deliver genes or drugs to specific locations within the body
(C) They are involved in enhancing photosynthesis in plants
(D) They are used for environmental clean-up of pollutants

14. Which of the following is an example of a biocompatible nanomaterial commonly used in tissue engineering applications?
(A) Gold nanoparticles
(B) Carbon nanotubes
(C) Hydroxyapatite nanoparticles
(D) Titanium oxide nanoparticles

15. What is the role of “nanotoxicology” in the field of nanobiotechnology?
(A) It studies the production processes of nanoparticles
(B) It focuses on the environmental impact of nanomaterials
(C) It investigates the potential toxicity of nanoparticles to living organisms
(D) It designs nanoparticles for medical applications