Explore topic-wise MCQs in Bioinformatics.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is incorrect about ARACHNE?

A. It accepts base calls with associated quality scores assigned by Phred as input
B. It is a free UNIX program
C. It is for the assembly of whole-genome shotgun reads
D. It doesn’t involve heuristic approach
Answer» E.
2.

TIGR Assembler is a UNIX program from TIGR for assembly of large shotgun sequence fragments.

A. True
B. False
Answer» B. False
3.

Which of the following is incorrect about EULER?

A. It is an assembly algorithm
B. It uses a Eulerian Superpath approach, which is a polynomial algorithm
C. In this approach, a sequence fragment is broken down to tuples of five nucleotides
D. The tuples are distributed in a diagram with numerous nodes that are all interconnected
Answer» D. The tuples are distributed in a diagram with numerous nodes that are all interconnected
4.

Which of the following is incorrect about Phrap?

A. It aligns individual fragments in a pairwise fashion using the Smith–Waterman algorithm
B. It doesn’t take input from Phred
C. It is used for sequence assembly
D. It is a UNIX program
Answer» C. It is used for sequence assembly
5.

TIGR_ASSEMBLER_IS_A_UNIX_PROGRAM_FROM_TIGR_FOR_ASSEMBLY_OF_LARGE_SHOTGUN_SEQUENCE_FRAGMENTS.?$

A. True
B. False
Answer» B. False
6.

Which_of_the_following_is_incorrect_about_ARACHNE?$

A. It accepts base calls with associated quality scores assigned by Phred as input
B. It is a free UNIX program
C. It is for the assembly of whole-genome shotgun reads
D. It doesn’t involve heuristic approach
Answer» E.
7.

VecScreen is a primarily aimed for sequence assembly.

A. True
B. False
Answer» C.
8.

Which of the following is incorrect about Phred?

A. It is a UNIX program
B. It doesn’t give a probability score in output
C. It is used for base calling
D. It uses a Fourier analysis to resolve fluorescence traces and predict actual peak locations of bases
Answer» C. It is used for base calling
9.

Which of the following is untrue about base calling and assembly programs?

A. The first step toward genome assembly includes derive base calls
B. The first step toward genome assembly includes assigning associated quality scores
C. One of the steps is to assemble the sequence reads into contiguous sequences
D. There is no identifying overlap between sequence fragments
Answer» E.
10.

When a sequence is generated from ____ ends of a single clone, the distance between the two opposing fragments of a clone is fixed to ________ meaning that they are always separated by a distance defined by a _____ length (normally 1,000 to 9,000 bases).

A. both, an uncertain range, clone
B. one, an uncertain range, clone
C. both, a certain range, clone
D. both, a certain range, gene
Answer» D. both, a certain range, gene
11.

The major challenges in genome assembly are sequence errors, contamination by bacterial vectors, and repetitive sequence regions.

A. True
B. False
Answer» B. False