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MCQs

Total Questions : 194 | Page 5 of 20 pages
Question 41. Reannealing or renaturation of the DNA is the basis of the technique ___________
  1.    paper chromatography
  2.    ultraviolet spectroscopy
  3.    nucleic acid hybridization
  4.    gel electrophoresis
 Discuss Question
Answer: Option C. -> nucleic acid hybridization
Answer: (c).nucleic acid hybridization
Question 42. Percentage of highly repeated DNA sequences in a genome is __________
  1.    1-10 %
  2.    15-20%
  3.    20-30%
  4.    35-40%
 Discuss Question
Answer: Option A. -> 1-10 %
Answer: (a).1-10 %
Question 43. For three different samples of DNA with same concentration, the rate of annealing will depend on __________
  1.    pH
  2.    absorbance
  3.    temperature
  4.    genome size
 Discuss Question
Answer: Option D. -> genome size
Answer: (d).genome size
Question 44. Which of the following type of DNA sequences for the basis of DNA fingerprinting?
  1.    Satellite DNA
  2.    Minisatellite DNA
  3.    Microsatellite DNA
  4.    Tandem sequences
 Discuss Question
Answer: Option B. -> Minisatellite DNA
Answer: (b).Minisatellite DNA
Question 45. Which type of DNA have been used to analyze relationship between different human populations?
  1.    Circular DNA
  2.    Mitochondrial DNA
  3.    Minisatellite DNA
  4.    Microsatellite DNA
 Discuss Question
Answer: Option D. -> Microsatellite DNA
Answer: (d).Microsatellite DNA
Question 46. Who was the first person to suggest that genes were capable of moving around the genome?
  1.    James Watson
  2.    Barbara McClintock
  3.    Louis Pasteur
  4.    Gregor Mendel
 Discuss Question
Answer: Option B. -> Barbara McClintock
Answer: (b).Barbara McClintock
Question 47. Transposase is a __________ enzyme.
  1.    digestive
  2.    mutant
  3.    bacterial
  4.    lysosomal
 Discuss Question
Answer: Option C. -> bacterial
Answer: (c).bacterial
Question 48. In human cell nucleus, at least _____ percent of DNA has been derived from transposable elements.
  1.    10
  2.    25
  3.    30
  4.    45
 Discuss Question
Answer: Option D. -> 45
Answer: (d).45
Question 49. Which of the following type of repeating sequence arise due to transposition of elements?
  1.    moderately repeating sequences
  2.    microsatellite DNA
  3.    minisatellite DNA
  4.    satellite DNA
 Discuss Question
Answer: Option A. -> moderately repeating sequences
Answer: (a).moderately repeating sequences
Question 50. DNA transposons found in the human genome are capable of movement.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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