Which species concept stress mainly on failure of interbreeding to keep them in distinct species (1) Biological species concept (2) Ecological species concept (3) Morphological species concept (4) Phylogenetic species […]
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 Parasitic Bacteria Drive Rapid Speciation in Insects
If a certain parasitic bacteria on insect prevents cross breeding among them. It will lead into (1) rapid speciation (2) Divergence of insects (3) Extinction of insects (4) No effect […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Why the Biological Species Concept Does Not Apply to Cyanobacteria and Euglenophyta
The biological species concept defines species as a group of populations that are reproductively isolated from others. However, this definition is not applicable to groups where sexual reproduction has not […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Biological Species: The True Definition of a Group That Can Interbreed and Produce Fertile Offspring
A group of organisms that can successfully interbreed and produce fertile offspring termed as (1) Biological species (2) Taxonomic species (3) Morphospecies (4) Sibling species What Is a Biological […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Sibling Species: Morphologically Identical but Genetically Distinct Species
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 […]
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 […]
