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MCQs

Total Questions : 58 | Page 4 of 6 pages
Question 31. Single stranded circular RNA encapsidated with a larger RNA in a plant virus is
  1.    a virusoid
  2.    a viroid
  3.    none of these
  4.    a virion
 Discuss Question
Answer: Option A. -> a virusoid
Question 32. When a gardener takes a cutting from a plant, indicating that he has made a
  1.    clone
  2.    new species
  3.    new variety
  4.    mutation
 Discuss Question
Answer: Option A. -> clone
Question 33. Microarray analysis involves biological assays based on
  1.    gels
  2.    filters
  3.    purification columns
  4.    small glass chips
 Discuss Question
Answer: Option D. -> small glass chips
Question 34. 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
  1.    seed collection
  2.    selective breeding
  3.    pollination
  4.    cuttings
 Discuss Question
Answer: Option B. -> selective breeding
Question 35. The inosine and hypoxanthine can be determined simultaneously by using
  1.    amorphous silicon ISFET
  2.    inosine sensor
  3.    urea sensor
  4.    inosine and hypoxanthine sensor
 Discuss Question
Answer: Option B. -> inosine sensor
Question 36. An ordered array is any collection of analytical elements configured in
  1.    rows and columns
  2.    circle
  3.    randomly
  4.    none of these
 Discuss Question
Answer: Option A. -> rows and columns
Question 37.  
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
 Discuss Question
Answer: Option A. -> gene or gene products
Question 38.  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
 Discuss Question
Answer: Option A. -> semi-conducting molecules inserted into the protein frame work
Question 39.  Hypoxanthine can be measured by
  1.    hypoxanthine sensor
  2.    amorphous silicon ISFET
  3.    urea sensor
  4.    alcohol sensor
 Discuss Question
Answer: Option A. -> hypoxanthine sensor
Question 40.  Gene banks conserve stocks of
  1.    seed only
  2.    vegetative material only
  3.    seed and vegetative material both
  4.    none of these
 Discuss Question
Answer: Option C. -> seed and vegetative material both

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