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WorksheetsBiosensor Quiz
Total questions: 20
Worksheet time: 10mins
What is a sensor?
Component of device
An Instrument
Device
Non of these
pH strip is a --
Sensor
Biosensor
Chemical sensor
Chemical compound
EEG is an _
Biomedical Instrument
Biomedical sensor
Biosensor
Potentiometer
What are natural sensor?
Cells
Neurons
Nose
Brain
Difference between Natural sensors and sensing device is
They are same
Identification physical & chemical environment
Measurement of physical & chemical environment
Natural sensors are better than sensing device
Given below is the diagram of biosensor. Identify the unmarked component.
Biosensor- ?-Amplifier- Processing-Display
Microprocessor
Transducer
Filter
A/D converter
Following is (are) the type(s) of Light sensor(s)
Photo conductors
Photo sensor
Photo transistors
All of the above
Following acts as detector in Optical sensor
Photo diode
Light emitting diode
Transistor
All of the above
Following is not an example of transducer.
Thermocouple
Photo electric cell
Pneumatic cylinder
Analogue voltmeter
The biological response of the biosensor is determined by ______
physio-chemical membrane
chemical membrane
biocatalytic membrane
artificial membrane
Biosensors contains
metal sensing devices
immobilized enzymes
mobilized enzymes
bar codes
Which of the following is not a characteristic of the immobilized enzymes?
It produces reproducible results
They cannot be re-used
Stability exists
Same catalytic activity is present for number of analysis
Which of the following is the physico-chemical component?
Enzymes
Anti-bodies
Transducer
Cells or tissues
An example of biosensor, urea electrode makes use of which of the following electrodes?
Carbon dioxide electrode
Ammonia electrode
Fluoride electrode
Ammonium electrode
Transducers employed in the bulk of enzyme electrodes use which of the following principles?
Amperometric
Optical
Magnetic
Colorimetric
Nanoscopic optical biosensors have fast response time but the sensitivity is reduced.
True
False
It is the ability of the sensor to indicate the same output over a period of time for a constant input.
Stability
Resolution
Error
Impedance
The ability to give same output reading when same input value is applied repeatedly is known as
Stability
Repeatability
Accuracy
Sensitivity
The sensors are classified on the basis of
Functions
Performance
Output
All of the above
The following is not a static performance parameter to be looked into before selecting a parameter.
Deflection
Stability
Range
Error
