Phylogenetic Methods and Programs MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Phylogenetic Methods and Programs, 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 Phylogenetic Methods and Programs 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 Phylogenetic Methods and Programs mcq questions that explore various aspects of Phylogenetic Methods and Programs problems. Each MCQ is crafted to challenge your understanding of Phylogenetic Methods and Programs 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 Phylogenetic Methods and Programs MCQs are your pathway to success in mastering this essential Bioinformatics topic.

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Phylogenetic Methods and Programs MCQs | Page 2 of 10

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Q11.
A gene phylogeny only describes the evolution of a particular gene or encoded protein.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q12.
Evolution of a particular sequence _______ correlate with the evolutionary path of the species.

a.

does not

b.

always

c.

does not necessarily

d.

invariably

Discuss
Answer: (c).does not necessarily
Q13.
The species evolution is the ______ of evolution by _____ in a genome.

a.

combined result, multiple genes

b.

result, single genes

c.

result, sole genes

d.

distinct results, single gene

Discuss
Answer: (a).combined result, multiple genes
Q14.
To obtain a species phylogeny, phylogenetic trees from a variety of gene families need to be constructed.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q15.
It is often desirable to define the root of a tree. There are two ways to define the root of a tree. One is to use an outgroup, which ______

a.

is a sequence that is homologous to the sequences under consideration

b.

is separated from those sequences at an early evolutionary time

c.

is generally determined from independent sources of information

d.

is generally determined from similar or related sources of information

Discuss
Answer: (d).is generally determined from similar or related sources of information
Q16.
Which of the following is incorrect statement about the Kimura model?

a.

It is a model to correct evolutionary distances and is a more sophisticated model

b.

In this, the mutation rates for transitions and transversion are assumed to be different

c.

According to this model, occur more frequently than transversions

d.

According to this model, transversions occur more frequently than transitions

Discuss
Answer: (d).According to this model, transversions occur more frequently than transitions
Q17.
Which of the following is incorrect statement about Choosing Substitution Models?

a.

There is one substitution at a particular position, in divergent sequences

b.

The evolutionary divergence is beyond the ability of the statistical models to correct

c.

The statistical models used to correct homoplasy are called substitution models or evolutionary models

d.

For constructing DNA phylogenies, there are nucleotide substitution models available

Discuss
Answer: (a).There is one substitution at a particular position, in divergent sequences
Q18.
The second step in phylogenetic analysis is to construct sequence alignment. This is probably the most critical step in the procedure because it establishes positional correspondence in evolution.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q19.
Which of the following is an incorrect statement?

a.

In a phylogram, the branch lengths represent the amount of evolutionary divergence

b.

Trees like cladogram are said to be scaled

c.

The scaled trees have the advantage of showing both the evolutionary relationships and information about the relative divergence time of the branches

d.

In a cladogram, the external taxa line up neatly in a row or column

Discuss
Answer: (b).Trees like cladogram are said to be scaled
Q20.
Which of the following is an incorrect statement about Newick Format?

a.

It was designed to provide information of tree topology to computer programs without having to draw the tree itself

b.

In this format, trees are represented by taxa excluded in nested parentheses

c.

In this linear representation, each internal node is represented by a pair of parentheses

d.

For a tree with scaled branch lengths, the branch lengths in arbitrary units are placed immediately after the name of the taxon separated by a colon

Discuss
Answer: (b).In this format, trees are represented by taxa excluded in nested parentheses
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