Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness? A. Older communities are more species rich. B. Large areas support more species. C. Natural […]
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CSIR NET Life Science Previous Year Questions and Solution on Ecology
Does Stress Affect Offspring Size in Animal Populations? Exploring the Link Between Adult Stress and Offspring Traits
In a particular population A, individuals are under stress and they produce smaller offspring. Based on this, one may conclude that (1) stress in a population affects offspring size but […]
CSIR NET Life Science Previous Year Questions and Solution on Community Ecology
Understanding the Relationship Between Disturbance Levels and Species Diversity: Matching Graphs to Ecological Statements
The possible relationships between levels of disturbance and species diversity in a biological community are that species diversity A. is unaffected by disturbance. B. is highest at intermediate levels of […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Evolutionary Reproductive Strategies in Three Frog Species: Insights into Parental Care, Predation, and Breeding Timing
There are three species of frogs – A, B and C. Species A does not provide parental care for its eggs and larvae. Species B is subjected to predation by […]
CSIR NET Life Science Previous Year Questions and Solution on Community Ecology
Which Statement About Alpha, Beta, and Gamma Diversity Is NOT Correct?
Which one of the following statements is NOT correct? (1) Both alpha and gamma diversities measure the presence and abundance of species in a community (2) Gamma diversity can be […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
The Reproductive Strategy of Small, Short-Lived Species: What Science Predicts
Suppose you discovered a new species about which youknow only two facts: it is small sized (
CSIR NET Life Science Previous Year Questions and Solution on Community Ecology
Understanding Alpha, Beta, and Gamma Diversity: Identifying the Incorrect Statement in Species Diversity Patterns
In the context of diversity patterns of species, which one of the following statements is INCORRECT? (1) Alpha diversity is diversity within a single community (2) Beta diversity is a […]
CSIR NET Life Science Previous Year Questions and Solution on Community Ecology
Edge Effect in Ecology: Why Transitional Zones Are Rich in Biodiversity
Which statement is correct regarding edge effect? (1) Poor in nutrients (2) Rich in diversity (3) Low competition (4) Low habitat diversity What Is the Edge Effect? The edge effect […]
CSIR NET Life Science Previous Year Questions and Solution on Community Ecology
Understanding Edge Effects: Myths and Facts About Ecosystem Boundaries
Which one of the following statement is not true for edge effect of two ecosystems? (1) Moving corridors connecting two ecosystems are always harmful (2) It has its unique physical […]
CSIR NET Life Science Previous Year Questions and Solution on Community Ecology
Shannon-Weaver Index: Formula and Its Role in Biodiversity Characterization
Shannon weaver index for biodiversity characterization can be represented as (1) H=∑Pi log Pi (2) D= H/log Pi (3) D=∑(n/N2) (4) H=log(N)- ∑log(n) What Is the Shannon-Weaver Index? The […]
