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MCQs

Total Questions : 90 | Page 5 of 9 pages
Question 41. The comparative-based algorithms can be further divided into two categories based on the type of input data.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 42. The predefined alignment requiring method also depends on the quality of the input alignment. If there ___ errors in the alignment, covariation signals ____ detected.
  1.    are, will be
  2.    are, will not be
  3.    are not, will not be
  4.    are not, possibly will not be
 Discuss Question
Answer: Option B. -> are, will not be
Answer: (b).are, will not be
Question 43. Which of the following is true about the RNAalifold?
  1.    Dynamic programming is not involved
  2.    Minimum free energy method is not used
  3.    Only minimum free energy is used
  4.    Covariation information is taken into consideration
 Discuss Question
Answer: Option D. -> Covariation information is taken into consideration
Answer: (d).Covariation information is taken into consideration
Question 44. The type of algorithm that _____ predefined alignment is ______ for reasonably conserved sequences.
  1.    doesn’t require, more successful
  2.    requires, less successful
  3.    doesn’t require, relatively successful
  4.    requires, relatively successful
 Discuss Question
Answer: Option D. -> requires, relatively successful
Answer: (d).requires, relatively successful
Question 45. The type of algorithm that requires predefined alignment, requires the user to provide _______ alignment as input.
  1.    not necessarily an alignment
  2.    multiple only
  3.    pairwise or multiple
  4.    pair wise only
 Discuss Question
Answer: Option C. -> pairwise or multiple
Answer: (c).pairwise or multiple
Question 46. Rigorously evaluating the performance of RNA prediction programs has traditionally been hindered by the dearth of three-dimensional structural information for RNA.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 47. For _________ RNA sequences, such as tRNA, some programs may be able to produce _________% accuracy.
  1.    small, 70
  2.    small, 40
  3.    large, 90
  4.    large, 75
 Discuss Question
Answer: Option A. -> small, 70
Answer: (a).small, 70
Question 48. If prediction accuracy can be represented using a ______ the ______ programs score roughly 20% to 60% depending on the length of the sequences.
  1.    multiple parameter, ab initio–based
  2.    single parameter, ab initio–based
  3.    multiple parameter, comparative–based
  4.    single parameter, comparative–based
 Discuss Question
Answer: Option B. -> single parameter, ab initio–based
Answer: (b).single parameter, ab initio–based
Question 49. The pre-alignment independent programs fare __________ for predicting long sequences.
  1.    slight better
  2.    much better
  3.    a bit worse
  4.    much worse
 Discuss Question
Answer: Option D. -> much worse
Answer: (d).much worse
Question 50. Based on recent benchmark comparisons, the comparative-type algorithms can reach an accuracy range of 20% to 80%.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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