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BIODIVERSITY
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Sample BIODIVERSITY Questions
A preview of BIODIVERSITY MCQs with answers and explanations.
Q1. Which one of the following best describes biodiversity?
The number of animals present in a forest
The variety and variability of living organisms and the ecosystems in which they occur
The total biomass present in an ecosystem
The number of endangered species in a region
Correct Answer:
The variety and variability of living organisms and the ecosystems in which they occur
Biodiversity refers to the variety and variability of life, including diversity at the genetic, species and ecosystem levels.
Q2. Which of the following represents the three major levels of biodiversity?
Genetic diversity, species diversity and ecosystem diversity
Individual diversity, population diversity and habitat diversity
Species diversity, population diversity and biome diversity
Genetic diversity, population diversity and community diversity
Correct Answer:
Genetic diversity, species diversity and ecosystem diversity
Biodiversity is generally studied at three major levels: genetic diversity within species, species diversity within ecosystems and ecosystem diversity across landscapes or regions.
Q3. What does species richness refer to?
The number of individuals belonging to a species
The number of different species present in a given area
The genetic variation within a species
The relative abundance of different species
Correct Answer:
The number of different species present in a given area
Species richness is simply the number of different species occurring in a particular area. It does not consider the relative abundance of those species.
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