Biotechnology - Biosensors and Biochips

Exercise :: Biosensors and Biochips - Section 1

  • Biosensors and Biochips - Section 1
11. 

Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell?

A. It travels on the legs of bees and sticks to the egg cell
B. The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
C. It blows in the wind
D. None of the above

Answer: Option B

Explanation:

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12. 

When a gardener takes a cutting from a plant, indicating that he has made a

A. clone
B. mutation
C. new species
D. new variety

Answer: Option A

Explanation:

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13. 

Single stranded circular RNA encapsidated with a larger RNA in a plant virus is

A. a virion
B. a viroid
C. a virusoid
D. none of these

Answer: Option C

Explanation:

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14. 

Microarray analysis involves biological assays based on

A. gels
B. filters
C. purification columns
D. small glass chips

Answer: Option D

Explanation:

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15. 

Which of the following is correct about micro biosensors?

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

Answer: Option D

Explanation:

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