Bioinformatics Mcqs

Page No. 62

Which of the following is incorrect about Bootstrapping?


aIt is a statistical technique that tests the sampling errors of a phylogenetic tree

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bIt does the tests by repeatedly sampling trees through slightly perturbed datasets

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cA newly constructed tree is not biased at all

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dThe robustness of the original tree can be assessed here

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MrBayes has a range of probabilistic models available to search for a set of trees with the lowest posterior probability.


a True

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bFalse

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ceither true and false

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dnone of these

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View Answer False

MrBayes is a Bayesian phylogenetic inference program.


aTrue

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bFalse

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ceither true and false

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dnone of these

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View Answer True

In PHYML, The tree searching _____ when the total ML score no longer ______


aceases, increases

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bstops, decreases

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cterminates, decreases

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dstops, increases

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View Answer stops, increases

PHYML is a web-based _______ program using the _____


a phylogenetic, GA (Genetic Algorithm)

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bsequence based alignment, GA (Genetic Algorithm)

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cphylogenetic, dynamic programming

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dsequence based alignment, dynamic programming

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Which of the following is untrue regarding TREE-PUZZLE?


aIt is a program performing quartet puzzling

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bIt allows various substitution models for likelihood score estimation

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cIt doesn’t incorporate a discrete γ model

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d Because of the heuristic nature of the program, it allows ML analyses of large datasets

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In PAUP, to complete an analysis the user is not required to move between different subprograms while keeping modifying names of the intermediate output files.


aTrue

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b False

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ceither true and false

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dnone of these

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View Answer True

Phylip stands for Phylogenetic inference package (by Joe Felsenstein).


aTrue

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b False

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ceither true and false

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dnone of these

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View Answer True

In PAUP, The distance options include NJ, ME, FM, and UPGMA.


aTrue

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bFalse

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ceither true and false

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dnone of these

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View Answer True

PAUP is a Macintosh program (UNIX version available in the GCG package) with a very user-friendly graphical interface.


a True

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bFalse

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ceither true and false

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dnone of these

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View Answer True

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