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MCQs

Total Questions : 72 | Page 1 of 8 pages
Question 1. Which of the following are natural mineral polymers?
  1.    Cellulose
  2.    Dextran
  3.    Agar
  4.    Silica
 Discuss Question
Answer: Option D. -> Silica
Answer: (d).Silica
Question 2. Which of the statement for a biosensor is false?
  1.    The linearity of the sensor should be ‘high’
  2.    Value of the electrode response per substrate concentration should be low
  3.    Chemicals Interference must be minimized for obtaining the correct result
  4.    Response time should be low
 Discuss Question
Answer: Option B. -> Value of the electrode response per substrate concentration should be low
Answer: (b).Value of the electrode response per substrate concentration should be low
Question 3. Which of the following is false for a biosensor?
  1.    Self-contained integrated device
  2.    Capable of providing specific information
  3.    Uses a biological recognition
  4.    Don’t connect to a transduction element
 Discuss Question
Answer: Option D. -> Don’t connect to a transduction element
Answer: (d).Don’t connect to a transduction element
Question 4. Who is the father of Biosensor?
  1.    Robert hook
  2.    Thomas Alva Edison
  3.    Professor Leland C Clark Jnr
  4.    Einstein
 Discuss Question
Answer: Option C. -> Professor Leland C Clark Jnr
Answer: (c).Professor Leland C Clark Jnr
Question 5. What is the name of the method used to attach enzymes to stationary solids by weak physical forces?
  1.    Absorption
  2.    Cross linking
  3.    Adsorption
  4.    Capillary action
 Discuss Question
Answer: Option C. -> Adsorption
Answer: (c).Adsorption
Question 6. Which of the following defines an analyte?
  1.    Any molecule may be protein, toxin, antigen, etc
  2.    The concentration of the molecule
  3.    The component which should not be detected
  4.    The component which gives background noise
 Discuss Question
Answer: Option A. -> Any molecule may be protein, toxin, antigen, etc
Answer: (a).Any molecule may be protein, toxin, antigen, etc
Question 7. Which of the following is a characteristic of electrochemical biosensors?
  1.    Detects the change in light adsorption
  2.    Detects the photon out for luminescent
  3.    Detects the movement of electrons between electrodes
  4.    Detects the angle at which electrons are emitted
 Discuss Question
Answer: Option C. -> Detects the movement of electrons between electrodes
Answer: (c).Detects the movement of electrons between electrodes
Question 8. In a pregnancy kit, which molecule does the kit actually test for?
  1.    Baby’s urine test
  2.    Blood test
  3.    HCG test
  4.    Amniotic fluid test
 Discuss Question
Answer: Option C. -> HCG test
Answer: (c).HCG test
Question 9. Which of the following is a characteristic of photometric biosensors?
  1.    Detects the change in light adsorption
  2.    Detects the photon out for luminescent
  3.    Detects the movement of electrons between electrodes
  4.    Detects the angle at which electrons are emitted
 Discuss Question
Answer: Option B. -> Detects the photon out for luminescent
Answer: (b).Detects the photon out for luminescent
Question 10. Which of the following is a characteristic of calorimetric biosensors?
  1.    Detects the change in light adsorption
  2.    Detects the photon out for luminescent
  3.    Detects the movement of electrons between electrodes
  4.    Detects the angle at which electrons are emitted
 Discuss Question
Answer: Option A. -> Detects the change in light adsorption
Answer: (a).Detects the change in light adsorption

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