Q. Which of the following enzyme catalyzes uric acid?

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Q. The relative decrease in the electrical resistance of the thermistor is proportional to the increase in temperature.

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Q. Which of these is not true for thermistors?

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Q. For measuring using calorimetric biosensors, the sensitivity of the glucose analysis using glucose oxidase may be doubled by the co-immobilization of _____________

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Q. An extreme case of amplifying sensitivity for the determination of ADP does not involve co-immobilization which of the following enzyme?

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Q. Potentiometric biosensors uses _______________ in order to transduce the biological reaction into an electrical signal.

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Q. Which of this is not true for ion-selective electrode?

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Q. Which of these is not an ion-selective electrode?

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Q. ______________ is one in which the sensing element is a very thin hydrated glass membrane.

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Q. Which of the following ion-selective electrode consist of gas permeable membrane?

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Q. ____________ is one in which has a thin membrane of a specific ion conductor made from a mixture of silver sulphide and a silver halide.

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Q. What does ‘X’ represent in the following reaction?

Penicillin \(\underset{X}{\rightarrow}\) Penicilloic acid + H⁺

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Q. What does ‘Y’ represent in the following reaction?

Amygdalin + 2H₂O \(\underset{X}{\rightarrow}\) 2 Glucose + benzaldehyde + H⁺ + CN⁻

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Q. Which of the following biosensors function by the production of a current when a potential is applied between two electrodes?

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Q. The simplest amperometric biosensor is ____________

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Q. The following reaction occurs at __________

4Ag⁰ + 4Cl⁻ → 4AgCl + 4e⁻

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Q. Where does the following reaction occur?

O₂ + 4H⁺ + 4e⁻ → 2H₂O

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Q. Which of the following biosensor determines glucose concentrations by the use of an immobilized glucose oxidase membrane?

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Q. Use of mediators in amperometric biosensor is required.

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Q. Which of these properties is not true for mediators?

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