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MCQs

Total Questions : 40 | Page 4 of 4 pages
Question 31. . Subculturing is similar to propagation by cuttings because
  1.    it separates multiple microshoots and places them in a medium
  2.    it uses scions to produce new microshoots
  3.    they both use in vitro growing conditions
  4.    all of the above
 Discuss Question
Answer: Option A. -> it separates multiple microshoots and places them in a medium
Question 32. . The ability of the component cells of callus to form a whole plant is known as
  1.    redifferentiation
  2.    dedifferentiation
  3.    either (a) or (b)
  4.    none of these
 Discuss Question
Answer: Option A. -> redifferentiation
Question 33. . What is/are the benefit(s) of micropropagation or clonal propagation?
  1.    Rapid multiplication of superior clones
  2.    Multiplication of disease free plants
  3.    Multiplication of sexually derived sterile hybrids
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 34. . When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?
  1.    2-5 days
  2.    5-10 days
  3.    10-15 days
  4.    15-17 days
 Discuss Question
Answer: Option B. -> 5-10 days
Question 35. . Cellular totipotency is the property of
  1.    plants
  2.    animals
  3.    bacteria
  4.    all of these
 Discuss Question
Answer: Option A. -> plants
Question 36. . Agrobacterium based gene transfer is efficient
  1.    only with dicots
  2.    only with monocots
  3.    with both monocots and dicots
  4.    with majority monocots and few dicots
 Discuss Question
Answer: Option A. -> only with dicots
Question 37. . When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?
  1.    2-5 days
  2.    5-10 days
  3.    10-15 days
  4.    15-17 days
 Discuss Question
Answer: Option B. -> 5-10 days
Question 38. . What is/are the benefit(s) of micropropagation or clonal propagation?
  1.    Rapid multiplication of superior clones
  2.    Multiplication of disease free plants
  3.    Multiplication of sexually derived sterile hybrids
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 39. . Cellular totipotency is the property of
  1.    plants
  2.    animals
  3.    bacteria
  4.    all of these
 Discuss Question
Answer: Option A. -> plants
Question 40. . Agrobacterium based gene transfer is efficient
  1.    only with dicots
  2.    only with monocots
  3.    with both monocots and dicots
  4.    with majority monocots and few dicots
 Discuss Question
Answer: Option A. -> only with dicots

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