Biosensors and Biochips – Section 1

1. A microarray is an ordered array of microscopic elements on a planer substrate that allows the specific binding of

A. gene or gene products
B. whole genome
C. both (a) and (b)
D. none of these

Correct Answer: A. gene or gene products

2. Biochips are made up of

A. semi-conducting molecules inserted into the protein framework
B. conducting molecules inserted into the protein framework
C. non-conducting molecules inserted into the protein framework
D. any of the above

Correct Answer: A. semi-conducting molecules inserted into the protein framework

3. Hypoxanthine can be measured by

A. hypoxanthine sensor
B. amorphous silicon ISFET
C. urea sensor
D. alcohol sensor

Correct Answer: A. hypoxanthine sensor

4. Which of the following technology is used for microarray manufacturing?

A. Photolithography
B. Ink jetting
C. Contact printing
D. All of these

Correct Answer: D. All of these

5. Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?

A. Early ripening
B. Resistance to disease
C. Resistance to pests
D. All of these

Correct Answer: D. All of these

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