Biosensors and Biochips problems
- 1. Microbiosensors are based on
Options- A. ions effect
- B. ionsensitive field effect transistor
- C. piezoelectric effect
- D. magnetic effect Discuss
Correct Answer: ionsensitive field effect transistor
- 2. An ordered array is any collection of analytical elements configured in
Options- A. rows and columns
- B. randomly
- C. circle
- D. none of these Discuss
Correct Answer: rows and columns
- 3. When farmers breed new plants they choose the pollen from one variety of plant and place it onto the stigma of another variety of plant. This type of plant breeding is known as
Options- A. selective breeding
- B. pollination
- C. seed collection
- D. cuttings Discuss
Correct Answer: selective breeding
- 4. Which of the following technology is used for micro array manufacturing?
Options- A. Photolithography
- B. Ink jetting
- C. Contact printing
- D. All of these Discuss
Correct Answer: All of these
- 5. Hypoxanthine can be measured by
Options- A. hypoxanthine sensor
- B. amorphous silicon ISFET
- C. urea sensor
- D. alcohol sensor Discuss
Correct Answer: hypoxanthine sensor
- 6. When a gardener takes a cutting from a plant, indicating that he has made a
Options- A. clone
- B. mutation
- C. new species
- D. new variety Discuss
Correct Answer: clone
- 7. Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?
Options- A. Early ripening
- B. Resistance to disease
- C. Resistance to pests
- D. All of these Discuss
Correct Answer: All of these
- 8. Which of the following is correct about micro biosensors?
Options- A. Implantation in human body and are suitable for in-vivo measurements
- B. Can be integrated on one chip and are useful for measuring various substrates in a small amount of sample solution simultaneously
- C. It is possible to develop disposable transducers for biosensors through mass production
- D. All of these Discuss
Correct Answer: All of these
- 9. Microarrays are also known as
Options- A. biochips
- B. DNA chips
- C. gene chips
- D. all of these Discuss
Correct Answer: all of these
- 10. Gene banks conserve stocks of
Options- A. seed only
- B. vegetative material only
- C. seed and vegetative material both
- D. none of these Discuss
Correct Answer: seed and vegetative material both
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