Database Similarity Searching MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Database Similarity Searching, a fundamental topic in the field of Bioinformatics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Database Similarity Searching MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Database Similarity Searching mcq questions that explore various aspects of Database Similarity Searching problems. Each MCQ is crafted to challenge your understanding of Database Similarity Searching principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Bioinformatics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Database Similarity Searching MCQs are your pathway to success in mastering this essential Bioinformatics topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Database Similarity Searching. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Database Similarity Searching knowledge to the test? Let's get started with our carefully curated MCQs!

Database Similarity Searching MCQs | Page 5 of 5

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Q41.
The rigorous dynamic programming method is normally not used for database searching because it is slow and computationally expensive.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q42.
FASTA and BLAST are __________ but __________ for larger datasets.

a.

faster, more sensitive

b.

faster, less sensitive

c.

slower, less sensitive

d.

slower, more sensitive

Discuss
Answer: (b).faster, less sensitive
Q43.
Scan PS is a web-based program that implements a modified version of the Needleman-Wunsch algorithm.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q44.
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

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q45.
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

Discuss
Answer: (a).first, first
Q46.
Local sequence alignments are necessary for many cases out of which one is repeated.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q47.
In SW algorithm, to align two sequences of lengths of m and n _________ time is required.

a.

O(mn)

b.

O(m²n)

c.

O(m²n³)

d.

O(mn²)

Discuss
Answer: (b).O(m²n)
Q48.
One of the challenges in SWA is obtaining correct alignments in regions of low similarity between distantly related biological sequences.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q49.
Score can be negative in Smith–Waterman algorithm.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q50.
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

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
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