Evolutionary Biology सक्रिय PYQs

Molecular Phylogenetics

Start Practice अभ्यास शुरू करें
5 Questions / Batch 5 प्रश्न / बैच
8
Total Questions कुल प्रश्न
2024
1 Paper
Papers Covered कुल पेपर्स
1 Exam Years 1 परीक्षा वर्ष
6.7%
Exam Weightage परीक्षा वेटेज
In 2024 Exam 2024 परीक्षा में
3 Types
Question Variety प्रश्नों के प्रकार
MCQ (Single Correct), Statement Based & more
Question Types: प्रश्न प्रकार:
MCQ (Single Correct) MCQ (एकल सही) 5 Statement Based कथन आधारित 2 Assertion & Reason अभिकथन एवं कारण 1

Previous Years Questions (PYQ) Statistics विगत वर्षों के प्रश्न (PYQ) सांख्यिकी

Year-wise question count, paper frequency, and exam weightage percentage: वर्षवार प्रश्नों की संख्या, पेपर आवृत्ति और परीक्षा वेटेज प्रतिशत:

Year वर्ष Questions प्रश्न Avg / Paper औसत / पेपर Weightage & Trend वेटेज व ट्रेंड
2024 8 Qs 8.0
6.7% —

Questions in this Topic इस टॉपिक के प्रश्न

8 Questions 8 प्रश्न
1
The term "phylogenetic tree” is used in:
ICAR JRF Bioinformatics 2024 Shift 1 MCQ (Single Correct) +4 / −1
2
In bioinformatics, the term "homology" refers to:
ICAR JRF Bioinformatics 2024 Shift 1 MCQ (Single Correct) +4 / −1
3

Consider the following terminologies used in phylogenetic analysis

(A) . The lines in a tree are called branches or edges.
(B) . Internal branch is located between two nodes.
(C) . Root is the common ancestor of all taxa

Choose the correct answer from the options given below:

ICAR JRF Bioinformatics 2024 Shift 1 MCQ (Single Correct) +4 / −1
4
The number of possible unrooted trees for 5 operational taxonomic units is
ICAR JRF Bioinformatics 2024 Shift 1 MCQ (Single Correct) +4 / −1
5
Which of the following is not correct regarding the terminologies used in phylogenetic analysis?
ICAR JRF Bioinformatics 2024 Shift 1 MCQ (Single Correct) +4 / −1
6

Given below are two statements regarding the number of possible rooted or unrooted trees for a given number of operational taxonomic units (OTUs):

Statement (I) : For two OTUs, only two trees are possible.
Statement (II) : For three or more than three OTUs, the number of possible rooted trees is always less than the number of possible unrooted trees.

In light of the above statements, choose the most appropriate answer from the options given below.

ICAR JRF Bioinformatics 2024 Shift 1 Statement Based +4 / −1
7

Given below are two statements

Statement (I) : Proteins are homologous if and only if they are descended from a common ancestor.
Statement (II) : Homologues in different species, descended from a single ancestral protein, are orthologues.

In light of the above statements, choose the most appropriate answer from the options given below.

ICAR JRF Bioinformatics 2024 Shift 1 Statement Based +4 / −1
8

Given below are two statements regarding the neighbor joining method of tree construction, one is labelled as

Assertion (A) : and other one labelled as Reason (R)
Assertion (A) : The neighbor joining method produces a unrooted tree topology, unless an outgroup is specified or midpoint rooting is applied
Reason (R) : The neighbor joining method assumes a constant rate of evolution.

In light of the above statements, choose the most appropriate answer from the options given below

ICAR JRF Bioinformatics 2024 Shift 1 Assertion & Reason +4 / −1
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