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MCQs

Total Questions : 222 | Page 5 of 23 pages
Question 41. Encapsulation is necessary to produce and protect synthetic seeds. The encapsulation is carried out by various types of hydrogels, which are
  1.    soluble in water
  2.    soluble in organic solvents
  3.    insoluble in water
  4.    insoluble in organic solvents
 Discuss Question
Answer: Option A. -> soluble in water
Answer: (a).soluble in water
Question 42. The production of high quality and uniform embryos has been limited to only
  1.    carrot
  2.    alfalfa
  3.    both (a) and (b)
  4.    sandalwood
 Discuss Question
Answer: Option C. -> both (a) and (b)
Answer: (c).both (a) and (b)
Question 43. The preserved embryoids are termed as
  1.    synthetic seeds
  2.    semi-synthetic seeds
  3.    natural seeds
  4.    fermented seeds
 Discuss Question
Answer: Option A. -> synthetic seeds
Answer: (a).synthetic seeds
Question 44. Crown gall tissue
  1.    can be cultivated in vitro in absence of bacteria
  2.    retains tumorous properties when cultivated
  3.    both (a) and (b)
  4.    shows tumorous properties only in presence of bacteria
 Discuss Question
Answer: Option C. -> both (a) and (b)
Answer: (c).both (a) and (b)
Question 45. T-DNA transfer and processing into plant genome requires products of which of the following genes?
  1.    vir A,B
  2.    vir G,C
  3.    vir D,E
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 46. Opines are
  1.    amino acid derivatives found in tumor tissues
  2.    amino acid derivatives found in normal tissues
  3.    amino acid derivatives found in both normal as well as tumor tissues
  4.    none of the above
 Discuss Question
Answer: Option A. -> amino acid derivatives found in tumor tissues
Answer: (a).amino acid derivatives found in tumor tissues
Question 47. Because of large size of Ti-plasmid, intermediate vectors (IV) are developed in which T DNA has been subcloned into
  1.    pBR 322 based plasmid vector
  2.    pRK 2013
  3.    pRN 3
  4.    all of these
 Discuss Question
Answer: Option A. -> pBR 322 based plasmid vector
Answer: (a).pBR 322 based plasmid vector
Question 48. Integrated nopaline T-DNA occurs as
  1.    single segment
  2.    two segments
  3.    three segments
  4.    four segments
 Discuss Question
Answer: Option A. -> single segment
Answer: (a).single segment
Question 49. The transfer of intermediate vectors into Agrobacterium are brought about by
  1.    transformation
  2.    biparental mating
  3.    triparental mating
  4.    transduction
 Discuss Question
Answer: Option C. -> triparental mating
Answer: (c).triparental mating
Question 50. Microinjection involves
  1.    injection of large amount of DNA
  2.    injection of DNA into bigger cells
  3.    injection with needle having diameter greater than cell diameter
  4.    all of the above
 Discuss Question
Answer: Option C. -> injection with needle having diameter greater than cell diameter
Answer: (c).injection with needle having diameter greater than cell diameter

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