Biosensors Fundamentals(Engineering > Tissue Engineering ) Questions and Answers
Question 1. _________ are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism.
Biosensors
Transducers
Optic Fiber
Regulator
Explanation:-
Answer: Option A. -> Biosensors Answer: (a).Biosensors
Question 2. Which sensor uses the principle of Total Internal Reflection?
Question 3. The __________ is a biomolecule that recognizes the target analyte whereas the transducer converts the recognition event into a measurable signal.
Bioreceptor
Biosignal
Biodegradation
Bioselectivity
Explanation:-
Answer: Option A. -> Bioreceptor Answer: (a).Bioreceptor
Question 4. Surface plasmon resonance (SPR) is the resonant oscillation of conduction electrons at the interface between negative and positive permittivity material stimulated by incident light.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option A. -> True Answer: (a).True
Question 5. A _________ crystal is a part of a sensor which primarily works using the principle of oscillation changes because of the mass bound to the surface of the piezoelectric crystal.
Piezoelectric
Shiny
Hard
Fluorescent
Explanation:-
Answer: Option A. -> Piezoelectric Answer: (a).Piezoelectric
Question 6. Sucrose is a way of testing for glycemia.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option B. -> False Answer: (b).False
Question 7. _________ spectroscopy is based on the interaction of an external field with the electric dipole moment of the sample, often expressed by the permittivity.
Dielectric
Capacitor
Transducer
Electrochemical
Explanation:-
Answer: Option A. -> Dielectric Answer: (a).Dielectric
Question 8. Small molecule sensors are an effective way to detect the presence of fungal cells.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option B. -> False Answer: (b).False
Question 9. Impedance spectroscopy measures the resistance and capacitance properties of material via application of a ______________ air conditioning excitation signal of c. 2–10 mV.
sinusoidal
linear
exponential
declining
Explanation:-
Answer: Option A. -> sinusoidal Answer: (a).sinusoidal
Question 10. Atomic polarization is observed when the nucleus of the atom reorients in response to the electric field.