
Exploring Biosensors and Measurement

Quiz
•
Engineering
•
University
•
Hard
Dr Pandey
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a biosensor?
A biosensor is a device that detects biological changes and converts them into measurable signals.
A biosensor is a chemical that enhances biological reactions.
A biosensor is a type of computer that processes data.
A biosensor is a tool used for cooking food.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do biosensors work?
Biosensors are used exclusively for detecting electrical signals.
Biosensors operate by filtering out all substances except for water.
Biosensors only measure temperature changes in the environment.
Biosensors detect specific substances through a biological element that interacts with the target analyte, generating a measurable signal.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main components of a biosensor?
Power source, filter, data logger
Chemical catalyst, amplifier, display unit
Biological recognition element, transducer, signal processor
Sample holder, calibration device, feedback loop
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What types of signals can biosensors detect?
Chemical signals
Magnetic signals
Acoustic signals
Electrochemical signals, optical signals, thermal signals, mass-related signals
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a transducer in a biosensor?
To store biological data for future analysis.
To filter out noise from biological signals.
To amplify biological signals for better detection.
The role of a transducer in a biosensor is to convert biological signals into measurable signals.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are biosensors used in medical diagnostics?
Biosensors are used in medical diagnostics to detect biological molecules and convert their presence into measurable signals for monitoring health conditions.
Biosensors are primarily used for food safety testing.
Biosensors are only applicable in environmental monitoring.
Biosensors are used to create vaccines for diseases.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between a chemical and a biological sensor?
Chemical sensors detect chemical substances; biological sensors detect biological molecules or organisms.
Chemical sensors only measure temperature changes.
Biological sensors are used exclusively in medical applications.
Chemical sensors can only detect gases and not liquids.
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