Biosensors And Biochips(Biotechnology ) Questions and Answers

Question 1. 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?
  1.    It travels on the legs of bees and sticks to the egg cell
  2.    The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
  3.    It blows in the wind
  4.    None of the above
Explanation:-
Answer: Option B. -> The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
Answer: (b).The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
Question 2. Single stranded circular RNA encapsidated with a larger RNA in a plant virus is
  1.    a virion
  2.    a viroid
  3.    a virusoid
  4.    none of these
Explanation:-
Answer: Option C. -> a virusoid
Answer: (c).a virusoid
Question 3. Microarray analysis involves biological assays based on
  1.    gels
  2.    filters
  3.    purification columns
  4.    small glass chips
Explanation:-
Answer: Option D. -> small glass chips
Answer: (d).small glass chips
Question 4. When a gardener takes a cutting from a plant, indicating that he has made a
  1.    clone
  2.    mutation
  3.    new species
  4.    new variety
Explanation:-
Answer: Option A. -> clone
Answer: (a).clone
Question 5. Which of the following is correct about micro biosensors?
  1.    Implantation in human body and are suitable for in-vivo measurements
  2.    Can be integrated on one chip and are useful for measuring various substrates in a small amount of sample solution simultaneously
  3.    It is possible to develop disposable transducers for biosensors through mass production
  4.    All of these
Explanation:-
Answer: Option D. -> All of these
Answer: (d).All of these
Question 6. A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of
  1.    gene or gene products
  2.    whole genome
  3.    both (a) and (b)
  4.    none of these
Explanation:-
Answer: Option A. -> gene or gene products
Answer: (a).gene or gene products
Question 7. Biochips are made up of
  1.    semi-conducting molecules inserted into the protein frame work
  2.    conducting molecules inserted into the protein frame work
  3.    non-conducting molecules inserted into the protein frame work
  4.    any of the above
Explanation:-
Answer: Option A. -> semi-conducting molecules inserted into the protein frame work
Answer: (a).semi-conducting molecules inserted into the protein frame work
Question 8. Hypoxanthine can be measured by
  1.    hypoxanthine sensor
  2.    amorphous silicon ISFET
  3.    urea sensor
  4.    alcohol sensor
Explanation:-
Answer: Option A. -> hypoxanthine sensor
Answer: (a).hypoxanthine sensor
Question 9. Which of the following technology is used for micro array manufacturing?
  1.    Photolithography
  2.    Ink jetting
  3.    Contact printing
  4.    All of these
Explanation:-
Answer: Option D. -> All of these
Answer: (d).All of these
Question 10. Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?
  1.    Early ripening
  2.    Resistance to disease
  3.    Resistance to pests
  4.    All of these
Explanation:-
Answer: Option D. -> All of these
Answer: (d).All of these
© Lakshya_Education.com, All Right Reserved.
Contact Us services