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MCQs

Total Questions : 76 | Page 5 of 8 pages
Question 41. What is represented in the following diagram?What Is Represented In The Following Diagram?
  1.    Optical biosensor
  2.    Amperometric biosensor
  3.    ELISA
  4.    Immunosensor
 Discuss Question
Answer: Option D. -> Immunosensor
Answer: (d).Immunosensor
Question 42. Trypsin: Peptides:: Amylase: ____________
  1.    Starch
  2.    Sucrose
  3.    Urea
  4.    Uric acid
 Discuss Question
Answer: Option A. -> Starch
Answer: (a).Starch
Question 43. Which of these is not true for thermistors?
  1.    Low sensitivity
  2.    Low range
  3.    Increasing the heat output
  4.    generation or absorption hydrogen ions
 Discuss Question
Answer: Option D. -> generation or absorption hydrogen ions
Answer: (d).generation or absorption hydrogen ions
Question 44. The relative decrease in the electrical resistance of the thermistor is proportional to the increase in temperature.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 45. For measuring using calorimetric biosensors, the sensitivity of the glucose analysis using glucose oxidase may be doubled by the co-immobilization of _____________
  1.    penicillinase
  2.    uricase
  3.    catalase
  4.    urease
 Discuss Question
Answer: Option C. -> catalase
Answer: (c).catalase
Question 46. Which of the following enzyme catalyzes uric acid?
  1.    Penicillinase
  2.    Uricase
  3.    Invertase
  4.    Urease
 Discuss Question
Answer: Option B. -> Uricase
Answer: (b).Uricase
Question 47. An extreme case of amplifying sensitivity for the determination of ADP does not involve co-immobilization which of the following enzyme?
  1.    Hexokinase
  2.    Lactate dehydrogenase
  3.    Pyruvate kinase
  4.    Catalase
 Discuss Question
Answer: Option D. -> Catalase
Answer: (d).Catalase
Question 48. ______________ is one in which the sensing element is a very thin hydrated glass membrane.
  1.    Solid-state electrode
  2.    Glass electrode
  3.    Thermistor
  4.    Glass pH electrode
 Discuss Question
Answer: Option B. -> Glass electrode
Answer: (b).Glass electrode
Question 49. Which of this is not true for ion-selective electrode?
  1.    Determination of electrical potential at very high impedance
  2.    Allowing zero current flow effectively
  3.    Increasing the heat output
  4.    Causing no interference with the reaction
 Discuss Question
Answer: Option C. -> Increasing the heat output
Answer: (c).Increasing the heat output
Question 50. Which of these is not an ion-selective electrode?
  1.    Thermistors
  2.    Glass electrodes
  3.    Glass pH electrodes
  4.    Solid-state electrodes
 Discuss Question
Answer: Option A. -> Thermistors
Answer: (a).Thermistors

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