Sequence Alignment & Phylogenetic Analysis Quizz
Sequence Alignment & Phylogenetic Analysis Quiz
Welcome to the Sequence Alignment & Phylogenetic Analysis Quiz! Test your knowledge about DNA and protein sequences, alignment techniques, and phylogenetic trees. This quiz is designed for students and professionals keen on enhancing their understanding and skills in bioinformatics.
In this quiz, you will encounter questions covering various topics:
- DNA & protein sequences
- Alignment algorithms
- Phylogenetic tree construction
- Homology & evolutionary studies
Why do we need DNA or Protein sequences?
All of these
For evolutionary study
For mutational analysis
For Homology study
Clustal W is used for
Multiple Sequence Alignment
Pair Wise sequence Alignment
All of these
None of these
Local alignment shows
Smith water man algorithm
Overall alignment
Highly matched region
Needle man waunsch
In phylogenetic Tree point where ancestry starts is known as
Leaf Node
Terminal Node
Parent node
Internal node
Smith water man algorithm is used for
Multiple Sequence Alignment
Local sequence alignment
Global sequence alignment
None of these
Which phylogenetic tree gives useful evolutionary information
Cladogram
Phylogram
Unrooted Tree
All of these
In Multiple sequence alignment_____________________
Two sequences compared
Over All alignment show
More than two sequences compare
All of these
BLAST is used for_____
Local sequence alignment
Global sequence alignment
To show over all alignment
None of these
Difference between rooted and un-rooted phylogenetic tree is due to_____
Root node
Bifurcation
Multifunction
Leaf node
In phylogenetic tree if a node has more than two descent nodes then this process is known as _______
Bifurcation
Dichotomy
Rooted tree
Non of these
________ algorithm used for global alignment
Dot plot
Smith water man
Needle man waunsch
Multiple sequence alignment
Graphical representation of pairwise sequence alignment is known as________
Matrix
Local Sequence Alignment
Global Alignment
Dot Plot
Proteins are homologous if their amino acid sequences are at least
25% identical
35% identical
70% identical
125% identical
DNA sequences are homologous if they are at least
25% identical
70% identical
35% identical
125% identical
What is/are dynamic programming methods for Local Alignment
FASTA alignment
Smith water man algorithm
BLAST
All of these
Image B is showing which type of alignment
Global sequence alignment
Multiple sequence Alignment
Local Sequence alignment
All of these
How much these two sequences are identical
90%
80%
20%
None of these
What is consensus sequence from this multiple sequence alignment
ATCTTCT
AACTTCT
ATCTTGT
AACTTGT
In this dot plot, what is representing from dots
Both sequences are identical
Non Diagonal mathces
Palindrome sequence present
Dot Plot
What is meaning of this dot plot
Inverted repeats present in both sequences
Direct repeats are present in both sequences
Palindrome sequences
None of these
In this dot plot the formation of dot is representing that there exists
Palindrome sequences
Inverted repeats
Direct repeats
Complex dots
Tool/s can be used for making dot plot
DotMatcher
LigPlot
Dot plot
All of these
Here A, B, C nodes are
Parent Node
Identical
Similar
Terminal Node
This is a ______Tree
Multifurcating
Bifurcating
Polytomy
All of these
This is a _______ Tree
Multifurcating
Un-rooted Tree
Polytomy
Rooted Tree
Tool/s used for making Phylogenetic Tree are/is
MEGA
PHYLIP
Both of Above
None of these
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