Tigers do not occur in Sri Lanka while they are seen India. While the leopards are seen in both India and Sri Lanka. The main reason is (1) Tigers are […]
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CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Biased Gene Conversion: Myths and Facts About Its Role in Genome Evolution
Biased gene conversion (BGC) has been proposed to cause changes in allele frequencies in a population. Select the statement that is NOT correct about BGC. (1) BGC is present in […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
: Why Are Ostriches, Rheas, and Emus Found on Different Continents? The Evolutionary Biologist’s Explanation
The flightless birds ostrich, rhea and emu are distributedon different continents. What is the most plausibleexplanation that is given by an evolutionary biologist for this discontinuous observation? (1) The birds were […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Why Evolutionary Biologists Reject Creationism: Scientific Reasons Explained
Creationism is rejected by evolutionary biologists because (1) it offers no explanation about the origin of adaptation (2) it suggests that all species descended from a common ancestor (3) theologians […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Gene Duplication Dynamics: Understanding the Fate of Duplicated Genes in Genome Evolution
27. Given below are graphs depicting two possible dynamics of gene duplication events over a period of time during genome evolution. Based on the above figures, which one of the […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Correctly Matching Evolutionary Ideas and Their Proponents: A Comprehensive Guide
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 […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Paralogs and Orthologs: Decoding Gene Duplication and Divergence in Evolution
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 […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Correctly Matching Famous Scientists to Their Groundbreaking Discoveries
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 […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Why Ribosomal RNA Sequencing Is the Gold Standard for Phylogenetic Analysis
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 […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
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 […]
