Darwinian evolutionary fitness is measured in turn of (1) Good health (2) Ability to fight with others (3) Reproductive success (4) Lesser mutations Introduction When most people hear the word […]
Tag: CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
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CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Disruptive Selection in Darwin’s Finches: How Bimodal Seed Distribution Favors Extreme Beak Sizes
Darwinian finches of three different size of beaks-large, intermediate and small feeds on seeds size with bimodal distribution. Under such condition natural selection will favor finches having beak size (1) […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Antibiotic Resistance in Bacteria: A Case Study of Directional Selection in Action
Antibiotic resistance among bacteria represents (1) Balancing selection (2) Stabilizing selection (3) Directional selection (4) Disruptive selection Introduction Antibiotic resistance is one of the most pressing challenges in modern medicine. […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Lederberg’s Replica Plating Experiment: Proving the Spontaneous Nature of Mutation
The replica plating experiment of Lederberg supports (1) Natural selection (2) Mutation (3) Conjugation (4) Transformation Introduction The origin of genetic variation is a central question in biology. Are mutations […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
How the Green Air Act Led to the Decline of the Dark Peppered Moth in England
After implication of Green Air Act in England whichinsect form become virtually absent- (1) Biston betularia carbonifera (2) Biston betularia typical (3) Drosophila (4) Apes Americana Introduction The story of […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Exaptation: How Evolution Repurposes Adaptations for New Functions
A certain organism developed an adaptation as to adaptexisting environment but if this adaptation prove usefulfor some other function as well, it is termed as- (1) Co-adaptation (2) Adaptive radiation […]
CSIR NET Life Science Previous Year Questions and Solution on Origin of cell and Unicellular Evolution
Understanding Pre-adaptation: How Morphological Modifications Shape Evolutionary Success
The morphological modification is transferred to nextgeneration without any present application which mayprove beneficial in changed environment is termed as (1) Exadaptation (2) Pre-adaptation (3) Analogous (4) Paralogous Introduction Evolution […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Darwin’s Beagle Voyage: Why the Flora of Tropical America Most Resembles Temperate America
During Beagle voyage of Charles Darwin he observed that the flora of tropical America is most similar to- (1) Asia (2) Temperate America (3) Europe (4) Australia Introduction Charles Darwin’s […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
August Weismann and the Germplasm Theory: Foundations of Modern Genetics
Germplasm theory was proposed by- (1) Dobszzhanky (2) Weismann (3) Meyer (4) Mendel Introduction The study of heredity has undergone remarkable transformations over the centuries. One of the most pivotal […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Iterative Evolution: How Traits Re-Emerge from the Same Ancestral Lineage Across Time
The repeated evolution of a specific trait or body plan from the same ancestor lineage but at different times is termed as (1) Iterative evolution (2) Convergent evolution (3) Coevolution […]
