The mode of speciation in single lineage in which species diverge in spurts of relatively rapid change which result in increase in species is termed as- (1) Punctuated equilibrium (2) […]
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
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
How Are Biological Species Defined? The Role of Reproductive Isolation in Species Classification
Biological species are defined on basis of- (1) Morphology (2) Alkaloids (3) Anatomy (4) Reproductive isolation The Biological Species Concept Explained According to the biological species concept, a species […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Parapatric Speciation: How New Species Evolve in Contiguous, Spatially Segregated Habitats
When new species evolve in contiguous, yet spatially segregated habitats, such a speciation is termed as- (1) Sympatric (2) Allopatric (3) Allo-sympatric (4) Parapatric What Is Parapatric Speciation? Parapatric […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Sibling Species: Morphologically Similar but Reproductively Isolated Species Explained
Morphologically similar but reproductively isolated species are termed as (1) Sibling species (2) Non-sibling species (3) Sympatric (4) Parapatric In evolutionary biology, the concept of species is often more […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Why the Biological Species Concept Cannot Be Applied to Parthenogenetic Species
Biological species concept cannot be applied on (1) Parthengenetic species (2) Sympatric species (3) Species producing viable hybrids (4) Species of aquatic ecosystem The biological species concept is one of the […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Allopatric Speciation: How Geographical Isolation Leads to the Formation of New Species
The formation of 2 species from one parent population due to geographical isolation will be termed as- (1) Allopatric speciation (2) Sympatric speciation (3) Parapatric speciation (4) Peripatric speciation […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Wings of Insects and Bats: A Definitive Example of Convergent Evolution
The wings of insects and the wings of bats represent a case of (1) divergent evolution (2) convergent evolution (3) parallel evolution. (4) neutral evolution. The evolution of flight […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
What Homologous Structures Like Human Forelimbs and Whale Flippers Reveal About Evolution
Fore limb of human and flippers of whale are embryologically homologous structures. What does the study of homologous structures tell us about evolution? A. This is the example of adaptive […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
What Is NOT True About Homologous Characters? Understanding Homology in Evolution
Which one of the following statements is NOT TRUE about homologous characters? (1) Similar traits may not be homologous (2) Similar traits may be a result of convergent evolution (3) […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Why Flufftails on Pacific Islands Show Low Tail Colour Variation: Explanations and Exceptions
Flufftails in mainland Asia show high variation in tail colour. However, in the far out Pacific island, the flufftails show very little variation in tail colour. This variation in tail […]
