Explore topic-wise MCQs in Bioinformatics.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.

1.

Neighbor-joining chooses the sequences that should be joined to give the best least squares estimates of the branch lengths that most closely reflect the actual distances between the sequences.

A. True
B. False
Answer» B. False
2.

Which of the following is untrue regarding the neighbor-joining method?

A. It is very much like the Fitch-Margoliash method
B. It is totally dissimilar than the Fitch-Margoliash method
C. It is especially suitable when the rate of evolution of the separate lineages under consideration varies
D. When the branch lengths of trees of known topology are allowed to vary in a manner that simulates varying levels of evolutionary change, it is the most reliable method
Answer» C. It is especially suitable when the rate of evolution of the separate lineages under consideration varies
3.

Parsimony can give ________ information when rates of sequence change _______ in the different branches of a tree that are represented by the sequence data.

A. misleading, vary
B. useful, change
C. misleading, are constant
D. sometimes contradicting, are constant
Answer» B. useful, change