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FASTA MCQ Questions & Answers

FASTA MCQs : This section focuses on the "FASTA". These Multiple Choice Questions (MCQs) should be practiced to improve the FASTA skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

FASTA doesn’t use bit scores.

A. True
B. False

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Question 2

FASTX, which compares a protein query sequence to a translated DNA database.

A. True
B. False

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Question 3

In FASTA, neighboring high-scoring segments along the same diagonal are selected and joined to form a single alignment.

A. True
B. False

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Question 4

The first step in FASTA alignment id to arrange the sequences in matrices’ rows and columns in order to be analyzed.

A. True
B. False

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Question 5

The last step is to perform a statistical evaluation of the final alignment as in BLAST, which produces the E-value.

A. True
B. False

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Question 6

The positional difference for each word between the two sequences is obtained by ________ the position of the ______ sequence from that of the _______ sequence and is expressed as the offset.

A. subtracting, second, first
B. adding, second, first
C. adding, first, second
D. subtracting, first, second

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Question 7

The second step in FASTA is to narrow down the high similarity regions between the two sequences.

A. True
B. False

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Question 8

The web-based FASTA program is offered by the European Bioinformatics Institute.

A. True
B. False

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Question 9

Which of the following is not correct about FASTA?

A. Its stands for FAST ALL
B. It was in fact the first database similarity search tool developed, preceding the development of BLAST
C. FASTA uses a ‘hashing’ strategy to find matches for a short stretch of identical residues with a length of k
D. The string of residues is known as blocks

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Question 10

Z-score describes the number of standard deviations from the mean score for the database search.

A. True
B. False

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