3. Column X lists evolutionary ideas and scientists who proposed them, and Column Y lists the description of these ideas. Which one of the following options represents all correct matches between Column […]
Category: CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Category: CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Paralogs and Orthologs: Decoding Gene Duplication and Divergence in Evolution
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- July 2, 2025
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The figure below shows a gene duplication event followed by a divergence event in species 1 and 2. Based on the details given above determine what is represented […]
Correctly Matching Famous Scientists to Their Groundbreaking Discoveries
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- July 2, 2025
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2.Given below are names of scientists and phrases describing their work, which may or may not be matched Which one of the following options represent correct matches between the scientist […]
Why Ribosomal RNA Sequencing Is the Gold Standard for Phylogenetic Analysis
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- July 2, 2025
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The most commonly used molecular tool for phylogentic analysis involves sequencing of (1) mitochondrial DNA. (2) mitochondrial RNA. (3) ribosomal RNA. (4) nuclear DNA. Why Ribosomal RNA Sequencing Is […]
Orthologs: Understanding Protein Similarity Across Species
Similarities in sequence and function of two proteins indicate that they are members of a family that share a common ancestor. If they are from different species, they are called […]
Matching Evolutionary Biologists with Their Proposed Mechanisms: A Clear Guide
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- July 2, 2025
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1.Column A lists names of evolutionary biologists and column B lists descriptions of evolutionary mechanisms proposed by them in random order (1) A-(i), B-(ii), C-(iv), D-(iii) (2) A-(ii), B-(iii), C-(i), […]
What Is a Clade? Understanding Monophyletic Groups in Evolutionary Biology
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- July 2, 2025
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A monophyletic group of organisms that is, composed of a common ancestor and all its lineal descendants on a phylogenetic tree are termed as (1) clade (2) cline (3) cluster […]
Do Humans Evolve from Monkeys? Understanding the True Relationship Between Humans and Monkeys
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- July 2, 2025
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At present, the relationship between human and monkey can be stated as (1) They both have common ancestors (2) Human have evolved from monkey (3) Both have very distinct phylogeny […]
Understanding Orthologous Genes: The Cornerstone of Comparative Genomics
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- July 2, 2025
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If a gene sequence in Species A is 95 % similar to gene sequence in Species B. Such genes are termed as (1) Orthologous (2) Perilogous (3) Paralogous (4) Allologous […]
Polyphyletic Groups: When Phylogenetically Close Species Lack a Common Ancestor
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- June 30, 2025
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A group of species which are phylogenetically closer but donot share common ancestor are regarded as (1) Monophyletic (2) Polyphyletic (3) Paraphyletic (4) Sympatric Polyphyletic Groups: When Phylogenetically Close […]









