Type of selection in which there is elimination of extremes is termed as (1) Directional selection (2) Disruptive selection (3) Stabilizing selection (4) Cyclic selection Introduction In the world of […]
Blog
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Calculating Homozygotes in a Hardy-Weinberg Population: Step-by-Step Guide
If frequency of one allele is 0.2 and another is 0.8 then number of homozygotes in population of 250 is (assume that population is in Hardy-Weinberg equilibrium)? (1) 32 (2) […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Identifying Analogous Structures: Wings, Tendrils, Tubers, and Fins Explained
Given below are proposed analogous structures among organisms A. wings of birds and bats B. wings of bats and tetrapod digits C. tendrils of vitis and tendrils of pumpkin D. […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Hardy-Weinberg Law: Applicability and Essential Conditions in Population Genetics
Hardy Weinberg law is applicable on (1) Large random matting population (2) Evolving population (3) Population reproducing by asexual mode (4) Where there is mutation and migration but no natural […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
What Do All Alleles of a Mendelian Population Make? Understanding the Gene Pool
All alleles of mendelian population makes- (1) Genome (2) Gene pool (3) Genotype (4) Alleles What Do All Alleles of a Mendelian Population Make? Understanding the Gene Pool In […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Adaptive Radiation: Divergent Evolution and the Drivers of Species Diversification
The following statements were made about adaptive radiation: (A) Adaptive radiation is a kind of divergent evolution driven by ecological diversification. (B) Adaptive radiation is the divergence of unrelated taxa […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Adaptive Radiation: The Formation of Various Species from a Common Ancestor
Formation of various species from one common ancestor is termed as (1) Adaptive radiation (2) Phylogeny (3) Cladistics (4) Natural selection Introduction Adaptive radiation is a fundamental evolutionary process that […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Darwinian Fitness: Why Reproductive Success Is the True Measure of Evolutionary Fitness
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 […]
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. […]
