Biosensors

Given below is the diagram of biosensor. Identify the unmarked component.

Biosensor- ?-Amplifier- Processing-Display

• Microprocessor

• Transducer

• Filter

• A/D converter

Following is (are) the type(s) of Light sensor(s)

• Photo conductors

• Photo sensor

• Photo transistors

• All of the above

Following acts as detector in Optical sensor

• Photo diode

• Light emitting diode

• Transistor

• All of the above

Following is not an example of transducer.

• Thermocouple

• Photo electric cell

• Pneumatic cylinder

• Analogue voltmeter

The biological response of the biosensor is determined by ______

• physio-chemical membrane

• chemical membrane

• biocatalytic membrane

• artificial membrane

Home blood glucose sensor works on which principle?

• electrochemical

• physio-chemical

• chemical

• electro-physiological

The chemical reaction of glucose with oxygen is catalyzed in the presence of ________

• monoglucose carbodase

• glusoce dioxidase

• glucose oxidase

• biglucose oxidase

Home blood glucose measurement devices measure the glucose level through non-invasive method.

• True

• False

Biosensors contains

• metal sensing devices

• immobilized enzymes

• mobilized enzymes

• bar codes

Which of the following is not a characteristic of the immobilized enzymes?

• It produces reproducible results

• They cannot be re-used

• Stability exists

• Same catalytic activity is present for number of analysis