Group of members which are morphologically identical but genetically different and belong to different species are termed as (1) Sibling species (2) Taxonomic species (3) Morphospecies (4) Biological species […]
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CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Why Bacteria Cannot Be Classified Using the Biological Species Concept
Bacteria cannot be classified as separate species by the biological species concept because they (1) Generally asexually reproducing organisms (2) High growth rate (3) Exhibits little morphological variations (4) Do […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Ernst Mayr and the Biological Species Concept: Redefining the Meaning of Species
Ernst Meyer is known for (1) Taxonomic classification (2) Biological species concept (3) Five kingdom classification (4) Evolutionary history Ernst Mayr is one of the most influential evolutionary biologists […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Allopatric Speciation: How Large Geographical Barriers Drive the Formation of New Species
96. Speciation occurring due to presence of large geographical barrier is termed as (1) Allopatric (2) Sympatric (3) Parapatric (4) Peripatric The process of speciation—the formation of new and […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Cladogenesis: The Primary Process Behind the Formation of Most New Species
95.Most of new species are formed by the process of- (1) Anagenesis (2) Sympatric speciation (3) Cladogenesis (4) Convergent evolution The origin of new species—speciation—is a fundamental topic in […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Peripatric Speciation: The Dominant Mode of Speciation in Slow Moving Organisms
Type of speciation observed in slow moving organisms is (1) Sympatric (2) Parapatric (3) Allopatric (4) Peripetric Speciation, the process by which new species arise, can occur through several […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Punctuated Equilibrium: How Species Diverge in Rapid Evolutionary Spurts
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) […]
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 […]
