Explore topic-wise MCQs in Bioinformatics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.

1.

The function of the scoring matrix is to conduct one-to-one comparisons between all components in two sequences and record the optimal alignment results.

A. True
B. False
Answer» B. False
Discussion
2.

Score can be negative in Smith Waterman algorithm.

A. True
B. False
Answer» C.
Discussion
3.

One of the challenges in SWA is obtaining correct alignments in regions of low similarity between distantly related biological sequences.

A. True
B. False
Answer» B. False
Discussion
4.

In SW algorithm, to align two sequences of lengths of m and n _________ time is required.

A. O(mn)
B. O(m<sup>2</sup>n)
C. O(m<sup>2</sup>n<sup>3</sup>)
D. O(mn<sup>2</sup>)
Answer» C. O(m<sup>2</sup>n<sup>3</sup>)
Discussion
5.

Local sequence alignments are necessary for many cases out of which one is repeated.

A. True
B. False
Answer» B. False
Discussion
6.

In Smith Waterman algorithm, in initialization Step, the _________ row and ________ column are subject to gap penalty.

A. first, first
B. first, second
C. second, First
D. first, last
Answer» B. first, second
Discussion
7.

Par Align is a web-based server that uses parallel processors to perform exhaustive sequence comparisons using either a parallelized version of the Smith Waterman algorithm or a heuristic program for further speed gains.

A. True
B. False
Answer» B. False
Discussion
8.

The rigorous dynamic programming method is normally not used for database searching because it is slow and computationally expensive.

A. True
B. False
Answer» B. False
Discussion