Explore topic-wise MCQs in Bioinformatics.

This section includes 15 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 given statements is incorrect about Database Types?

A. Relational databases are more useful in the development of biological databases
B. The tables in relational database are carefully indexed and cross-referenced with each other, sometimes using additional tables, so that each item in the database has a unique set of identifying features
C. The relational database orders data in tables made up of rows giving specific items in the database, and columns giving the features as attributes of those items
D. The two principal types of DBs are the relational and object-oriented databases
Answer» B. The tables in relational database are carefully indexed and cross-referenced with each other, sometimes using additional tables, so that each item in the database has a unique set of identifying features
2.

Each DNA or protein sequence database entry has much information, including ______

A. an assigned accession number(s)
B. source organism
C. name of locus
D. reference number type(s)
Answer» E.
3.

The FASTA format is readily converted into other formats and also is smaller and simpler.

A. True
B. False
Answer» B. False
4.

The Common Object Request Broker Architecture (CORBA) is the Object Management Group’s interface for objects.

A. is the Object Management Group’s interface for objects.a) True
B. False
Answer» B. False
5.

The “from” programs convert sequence files from GCG format into the named format, and the “to” programs convert the alternative format into GCG format.

A. True
B. False
Answer» B. False
6.

WHICH_OF_THE_FOLLOWING_IS_AN_INCORRECT_STATEMENT??$

A. The last column contains the sequences themselves
B. It is quite tough making an index of the information in each of these fields so that a search query can locate all the occurrences through the index
C. If one imagines a large table with each sequence entry occupying one row, then each column will include one of the above types of information for each sequence, and each column is called a FIELD
D. The DNA, protein, and reference databases have all been cross-referenced so that moving between them is readily accomplished
Answer» C. If one imagines a large table with each sequence entry occupying one row, then each column will include one of the above types of information for each sequence, and each column is called a FIELD
7.

Which_of_the_given_statements_is_incorrect_about_Database_Types?$

A. Relational databases are more useful in the development of biological databases
B. The tables in relational database are carefully indexed and cross-referenced with each other, sometimes using additional tables, so that each item in the database has a unique set of identifying features
C. The relational database orders data in tables made up of rows giving specific items in the database, and columns giving the features as attributes of those items
D. The two principal types of DBs are the relational and object-oriented databases
Answer» B. The tables in relational database are carefully indexed and cross-referenced with each other, sometimes using additional tables, so that each item in the database has a unique set of identifying features
8.

Each DNA or protein sequence database entry has much information, including _____?

A. an assigned accession number(s)
B. source organism
C. name of locus
D. reference number type(s)
Answer» E.
9.

The FASTA format is readily converted into other formats and also is smaller and simpler

A. True
B. False
Answer» B. False
10.

The Common Object Request Broker Architecture (CORBA) is the Object Management Group’s interface for objects.$

A. True
B. False
Answer» B. False
11.

The “from” programs convert sequence files from GCG format into the named format, and the “to” programs convert the alternative format into GCG format.$

A. True
B. False
Answer» B. False
12.

Data files that have multiple sequences, such as those required for multiple sequence alignment and phylogenetic analysis using parsimony (PAUP), are not converted in READSEQ.

A. True
B. False
Answer» B. False
13.

Which of the given statements is incorrect about READSEQ?

A. It is an extremely useful sequence formatting program developed by D. G. Gilbert at Indiana University, Bloomington
B. It was developed at Indiana University, Bloomington
C. It can recognize a DNA or protein sequence file in any of the formats
D. It can recognize a DNA or protein sequence file in some particular formats
Answer» E.
14.

BL contains information about the block: xxx is the amino acids in the spaced triplet found by MOTIF upon which the block is based.

A. True
B. False
Answer» B. False
15.

which of the given statements is incorrect about Block multiple sequence alignment format?

A. Identification starts contain a short identifier for the group of sequences from which the block was made and often is the original Prosite group ID
B. The identifier is terminated by a comma, and “BLOCK” indicates the entry type
C. AC contains the block number, a seven-character group number for sequences from which the block was made, followed by a letter (A–Z) indicating the order of the block in the sequences
D. The block number is a 5-digit number preceded by BL (BLOCKS database) or PR (PRINTS database)
Answer» C. AC contains the block number, a seven-character group number for sequences from which the block was made, followed by a letter (A‚Äö√Ñ√∂‚àö√ë‚àö¬®Z) indicating the order of the block in the sequences