Q. What is a key advantage of using microfluidic biochips?
A.
High cost
B.
Large sample volume
C.
Reduced reagent consumption
D.
Complex manufacturing process
Show solution
Solution
Microfluidic biochips allow for reduced reagent consumption by manipulating small volumes of fluids, making them cost-effective and efficient.
Correct Answer:
C
— Reduced reagent consumption
Learn More →
Q. What is the primary advantage of using biosensors in clinical diagnostics?
A.
High specificity and sensitivity
B.
Low cost of production
C.
Ease of use
D.
Long shelf life
Show solution
Solution
Biosensors offer high specificity and sensitivity, making them valuable tools for accurate clinical diagnostics.
Correct Answer:
A
— High specificity and sensitivity
Learn More →
Q. What is the primary function of a biosensor?
A.
To amplify biological signals
B.
To detect specific biological analytes
C.
To store genetic information
D.
To synthesize proteins
Show solution
Solution
Biosensors are designed to detect specific biological analytes, such as glucose or pathogens, by converting a biological response into an electrical signal.
Correct Answer:
B
— To detect specific biological analytes
Learn More →
Q. What is the role of the transducer in a biosensor?
A.
To provide a biological response
B.
To convert a biological signal into a measurable signal
C.
To store data
D.
To amplify the signal
Show solution
Solution
The transducer in a biosensor converts the biological signal generated by the interaction of the analyte and the bioreceptor into a measurable signal.
Correct Answer:
B
— To convert a biological signal into a measurable signal
Learn More →
Q. What type of biosensor uses an enzyme as the bioreceptor?
A.
Immunosensor
B.
Enzyme-based biosensor
C.
DNA biosensor
D.
Electrochemical biosensor
Show solution
Solution
An enzyme-based biosensor utilizes enzymes as bioreceptors to catalyze reactions with specific substrates, leading to measurable signals.
Correct Answer:
B
— Enzyme-based biosensor
Learn More →
Q. Which component of a biosensor is responsible for the recognition of the target analyte?
A.
Transducer
B.
Bioreceptor
C.
Signal processor
D.
Display unit
Show solution
Solution
The bioreceptor is the component that specifically recognizes and binds to the target analyte in a biosensor.
Correct Answer:
B
— Bioreceptor
Learn More →
Q. Which of the following is a common application of biochips?
A.
Blood glucose monitoring
B.
DNA sequencing
C.
Protein synthesis
D.
Cell culture
Show solution
Solution
Biochips are commonly used in DNA sequencing applications, allowing for the analysis of genetic material on a small scale.
Correct Answer:
B
— DNA sequencing
Learn More →
Q. Which of the following is NOT a type of biochip?
A.
DNA microarray
B.
Protein microarray
C.
RNA sequencing chip
D.
Glucose meter
Show solution
Solution
A glucose meter is a device for measuring blood glucose levels, not classified as a biochip, which typically refers to microarrays for biomolecular analysis.
Correct Answer:
D
— Glucose meter
Learn More →
Q. Which technology is commonly used in the fabrication of biochips?
A.
3D printing
B.
Photolithography
C.
Laser cutting
D.
Electrospinning
Show solution
Solution
Photolithography is a widely used technology for the fabrication of biochips, allowing for precise patterning of biomolecules on a substrate.
Correct Answer:
B
— Photolithography
Learn More →
Q. Which type of biosensor is primarily used for detecting pathogens?
A.
Optical biosensor
B.
Electrochemical biosensor
C.
Immunosensor
D.
Thermal biosensor
Show solution
Solution
Immunosensors are specifically designed to detect pathogens by utilizing antibodies that bind to the target microorganisms.
Correct Answer:
C
— Immunosensor
Learn More →
Showing 1 to 10 of 10 (1 Pages)
