WorksheetsBiosensor - detection methods
Total questions: 10
Worksheet time: 5mins
The sensitivity of a sensor is a measure of:
Its accuracy
Its ability to detect small changes in input
Its power consumption
Its response time
A piezoelectric sensor is commonly used to measure:
Temperature
Light intensity
Pressure
Magnetic fields
What is a biosensor?
A medical instrument used for surgeries
A device that measures biological parameters using a biological recognition element
A type of DNA sequencing tool
A device that detects chemical reactions in a laboratory
Bio receptor molecules in biosensors are responsible for:
Signal amplification
Biological recognition of target molecules
Power generation
Signal processing
Which of the following is NOT a common detection method used in biosensors?
Optical detection
Electrochemical detection
Magnetic resonance imaging (MRI)
Piezoelectric detection
In electrochemical biosensors, what is measured to detect the target analyte?
Heat generated
Changes in pH
Electric current, voltage, or impedance
Sound waves
What type of detection method uses light intensity or wavelength changes to detect target molecules?
Optical detection
Electrochemical detection
Thermal detection
Magnetic detection
Surface plasmon resonance (SPR) is an example of which type of detection method?
Thermal
Optical
Piezoelectric
Electrochemical
Piezoelectric biosensors measure changes in the mass of a sensor surface.
True
False
Fluorescent labeling is a technique used in electrochemical detection.
True
False
