subject

Biosensors

Biology ⇒ Biotechnology and Applications

Biosensors starts at 11 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Biosensors. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
A biosensor gives a higher signal when the concentration of the analyte increases. What type of relationship is this?
A biosensor is used to detect the presence of a specific virus in a blood sample. What is the analyte in this scenario?
Describe one advantage of using biosensors over traditional analytical methods.
Describe one challenge in the development of biosensors.
Describe one way biosensors contribute to environmental protection.
Describe the difference between a biosensor and a chemical sensor.
A biosensor gives a higher signal when the concentration of the analyte increases. What type of relationship is this?
A biosensor is used to detect the presence of a specific virus in a blood sample. What is the analyte in this scenario?
Which of the following is a biorecognition element used in DNA biosensors? (1) Antibody (2) Enzyme (3) Oligonucleotide probe (4) Hormone
Which of the following is a common application of biosensors? (1) Blood glucose monitoring (2) Printing documents (3) Video streaming (4) Weather forecasting
Which of the following is a disadvantage of biosensors? (1) High sensitivity (2) Reusability (3) Interference from other substances (4) Portability
Which of the following is a feature of an ideal biosensor? (1) Slow response time (2) High specificity (3) Large size (4) Complex operation
A biosensor designed to detect pesticides in water is an example of a(n) __________ application.
Fill in the blank: The __________ is the substance whose presence or concentration is being measured by a biosensor.
Fill in the blank: The biological element in a biosensor can be an enzyme, antibody, or __________.
Fill in the blank: The output signal from a biosensor is usually __________ to the concentration of the analyte.
True or False: Biosensors can be miniaturized for use in portable devices.
True or False: Biosensors can be used for detecting pathogens in food products.
True or False: Biosensors can be used for environmental monitoring.
True or False: Biosensors can be used in food safety testing.