Phylogeny MCQs with Answers

Hello students, our next topic for the MCQ is ‘phylogeny. Home of trillions of microbes is gastrointestinal tract and collectively it is called as gut microbiome. This microbiome is dominated by two main groups of bacteria which is Bacteroidetes and Firmicutes. And have much smaller numbers of Proteobacteria, verrucomicrobia, actinobacteria and fusobacteria. Thess can vary person to person.

The following MCQ will provide you more information about ‘Phylogeny’ topic.

 

MCQ.1):…………………..………. Is shortly defined as the evolutionary history of a kind of organism.

a)Recombinant pair

b) Recessive tree

c) Phylogeny

d) Dominancy

 

MCQ.2):In the phylogeny, Phylogenetic tree is a two dimensional graph that shows evolutionary relationship between the …………………………

a)Organisms

b)Species

c) Genes

d)All of above

 

MCQ. 3):The external node in the phylogenetic tree is also called as ………………. and it represents the tip of the tree.

a)Initial node

b)Terminal node

c)Synaptic node

d)Permeable node

 

MCQ.4):The ………………………………………… node is used to represent the last common ancestor of the two lineage.

a)Externodal

b)External

c)Parallel

d)Internal

 

MCQ.5):In unscaled branches, the length is …………………..…………… to the number of changes.

a)Not parallel

b)Not proportional

c)Semi-proportional

d)Perpendicular

 

MCQ.6):In ………………………………………, the branch length is proportional to the evolutionary change and is an example of scaled branch.

a)Phylogram

b)Cladogram

c)Hologram

d)Kilogram

 

MCQ.7): While constructing phylogenetic trees, researcher identify …………….……..Features that shared by some species but not by others.

a)Heterologous

b)Different

c)Homologous

d) Heterozygous

 

MCQ.8):The phylogenetic tree represents evolutionary relationship among species and also called as ……………………………………

a)Genetic tree

b)Evolutionary tree

c)Polycystric tree

d)Polysachharide tree

 

MCQ.9):Which of the following is an essential preliminary to the tree reconstruction?

a)Model build

b)Model selection

c)Sequence validation

d)Sequence alignment

 

MCQ.10):…………………………… is derived character shared by more than one species or group.

a)Synapomorphy

b)Apomorphy

c)Polymorphic

d)None of them

 

Answer

1)d) All of above

2)d) All of above

3)b) Terminal node

4)d) Internal

5)b) Not proportional

6)a) Phylogram

7)c) Homologous

8)b) Evolutionary tree

9)d) Sequence alignment

10)a) Synapomorphy


Updated: August 12, 2021 — 11:27 am

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