Nano Biotechnology (BT405)

1. The quantum confinement effect is observed when the size of the nanoparticle is ________ to be comparable to the wavelength of the electron.

   1. large
   2. small
   3. constant
   4. equal to wavelength of electron

2. Which of the following is not an example of nanostructured materials?

   1. Nanocrystalline
   2. Nanocomposite
   3. Hybrid materials
   4. All of these are nanostructured materials

3. Different phases of liquid crystals can be distinguished by their

   1. Electric properties
   2. Magnetic properties
   3. Chemical properties
   4. Optical properties

4. Diameter of carbon nanotubes is

   1. <100 nm
   2. <50 nm
   3. 30 nm
   4. None of the given

5. The material which contains two or more phase separated components with morphology of spheres, cylinders or networks with nano-sized dimensions is ________?

   1. Nanocylinder
   2. Nanostructure
   3. Nanocomposite
   4. Nanodot

6. Which process is mainly used in the formation of Nanofibers?

   1. Electroplating
   2. Spectrometry
   3. Cytometry
   4. Electrospining

7. The self-healing properties of natural adhesives are due to the properties of the ________ contained in them?

   1. Proteins
   2. Glycans
   3. minerals
   4. covalent bond

8. Antibody-based biosensors are also known as ________.

   1. Microbiosensors
   2. Immunosensors
   3. Potentiometric Biosensors
   4. Biochips

9. ________ is used to avoid nanoparticles from agglomeration and they don't get deposited.

   1. Surfactant
   2. Algal Extract
   3. Ceramic
   4. Choloroform

10. The drug resistance occurs due to the presence of

    1. Chemical barrier
    2. Physiological barrier
    3. Physiochemical barrier
    4. None of the given

11. Expand ROS

    1. Responsive oxygen species
    2. Reactive oxygen species
    3. Receptive oxygen species
    4. Responsible oxygen species

12. Which one of the following is neoplastic disease?

    1. Hypertension
    2. Coronary disease
    3. Cancer
    4. Parkinson's disease

13. The transduction methods used in biochips are ________.

    1. Surface plasmon resonance
    2. MRI
    3. CT scan
    4. Self Enhanced Resonance Spectroscopy

14. Which of the following is natural self adhesive material?

    1. Silver nanodots
    2. Nanobeads
    3. Nanocavities
    4. Diatoms

15. A sensor which converts light rays into an electronic signal is:

    1. Optical sensors
    2. Sensors
    3. Biosensors
    4. Bioreceptors

16. Which of the following isn't a benefit of nanocoatings?

    1. Substrate waterproofing
    2. Prolonged substrate lifespan and application use
    3. Ultraviolet (UV) stability
    4. Urea preparation

17. Who used the word Nanotechnology for the first time?

    1. Professor Claudio of SEPRL, USA
    2. Professor Taniguchi of Tokyo Science University
    3. Professor Patti Miller of Japan Science University
    4. Professor David of Japan Science University

18. A molecule that specifically recognizes the analyte is known as ________?

    1. Biomarker
    2. Bioreceptor
    3. Biomachine
    4. Transducer

19. Smart coatings can also be passive in the sense of changing their optical properties due to:

    1. Thermochromic & photochromic
    2. wavelength
    3. infrared
    4. environmental conditions

20. Liquid crystal is a phase that exists between

    1. Liquid and gas
    2. Gas and plasma
    3. Solid and liquid
    4. None of the given

21. Which of the following biological polymers are used in the production of nanofibers?

    1. Protein, Collagen
    2. Lipids, Fats
    3. Protein, Lipids
    4. Collagen, Fat

22. The size range of Metal nanoparticles MNPs is

    1. 1-10 nm
    2. 10-100 nm
    3. 1-100 nm
    4. 100-1000 nm

23. When the gold treated with the Nanoparticles it changes from yellow to ________?

    1. Golden
    2. Orange
    3. Black
    4. Red

24. Which of the following is incorrect about Gene chip?

    1. It is a slide attached DNA oligomers representing the entire genome of the species under study
    2. Array of immobilized DNA oligomers cannot be cDNAs
    3. Each oligomer is spotted on the slide and serves as a probe for binding to a unique complementary cDNA
    4. It is the most commonly used global gene expression profiling method

25. One of the significant parameter used in the estimation of the concentration of biodegradable organic pollutants present in a water sample is ________?

    1. Biological oxygen demand
    2. Biochemical oxygen demand
    3. Chemical oxygen demand
    4. Catalytic oxidation

26. ________ appear to be like graphite sheets rolled up with fullerene-type end caps, but have totally different properties compared to graphite?

    1. Graphene nanodots
    2. Graphene nanorods
    3. Carbon nanotubes
    4. Carbon nanowires

27. An amount of incident light is converted into an output current by:

    1. solar cell
    2. Photodiodes
    3. Optical Sensors
    4. Reflective Sensors

28. The temperature stability of nanotubes in vacuum is

    1. 1900 °C
    2. 2300 °C
    3. 2800 °C
    4. 3200 °C

29. An optical sensor converts ________.

    1. Detects the presence of an object
    2. Light rays into an electronic signal
    3. It measures the changes in the temperature
    4. Measue distance as well as velocity of an object

30. Visible light is the part of the electromagnetic spectrum with wavelengths between ________ and ________.

    1. 250 and 450 nm
    2. 400 and 700 nm
    3. 500 and 700 nm
    4. 200 and 350 nm

31. Which of the following is a solar photocatalytic remediation, however has a weaker photocatalytic effect compared to TiO2

    1. Zinc dioxide
    2. Platinum oxide
    3. Sodium hydroxide
    4. Indium tin oxide

Select a course code for Objective Questions:

ACC311 ACC501 BIF101 BIF401 BIF501 BIO101 BIO201 BIO202 BIO203 BIO204 BIO301 BIO302 BIO303 BIO401 BIO503 BNK603 BT101 BT201 BT301 BT302 BT401 BT402 BT403 BT404 BT405 BT406 BT501 BT504 BT505 BT604 CHE201 CHE301 CS001 CS101 CS201 CS202 CS204 CS301 CS302 CS304 CS311 CS401 CS402 CS403 CS408 CS501 CS502 CS504 CS506 CS508 CS601 CS602 CS604 CS605 CS607 CS609 CS610 CS614 CS707 CS710 ECO401 ECO402 ECO403 ECO404 EDU302 EDU401 EDU402 EDU501 EDU601 ENG101 ENG201 ENG301 ENG501 FIN611 FIN624 FIN625 ISL201 IT430 MCM101 MCM301 MGMT623 MGT101 MGT211 MGT301 MGT401 MGT402 MGT501 MGT502 MGT503 MGT510 MGT601 MGT603 MKT501 MKT610 MKT630 MTH101 MTH202 MTH302 MTH501 MTH601 MTH634 PAK301 PHY101 PHY301 PSY101 PSY403 PSY502 PSY512 SOC101 SOC301 SOC401 STA301 STA630 STA641 ZOO102 ZOO401 ZOO501 ZOO502 ZOO503 ZOO504 ZOO505 ZOO506 ZOO510 ZOO630

Select a course code for Subjective Questions:

ACC311 CS001 CS101 CS201 CS301 CS607 CS701 CS702 CS703 CS704 CS707 CS708 CS710 CS711 CS718 CS721 CS724 ECO401 ECO403 ENG101 ENG301 MGT703 MTH501 STA301