Questions and Answers
What is the term given to the total number of species of plants, animals, and microorganisms living on the earth?
Biodiversity
Which of the following scientists is credited with popularizing the term biodiversity?
Edward O. Wilson
What is the approximate number of species of fishes found on earth?
28,000
What is the term used to describe the variety of different species within a given ecosystem?
Signup and view all the answers
Which level of biodiversity involves the variety of genes within a species?
Signup and view all the answers
What is the term used to describe the variety of ecosystems and biomes on the planet?
Signup and view all the answers
What is the approximate number of species that have become extinct in the last 20 years?
Signup and view all the answers
What percentage of mammal species are facing the threat of extinction?
Signup and view all the answers
What is the primary reason for the 6th mass extinction of species?
Signup and view all the answers
What is the estimated rate of species extinction compared to natural extinctions?
Signup and view all the answers
What is the potential consequence of continuing the present trends in biodiversity loss?
Signup and view all the answers
What is the primary focus of in-situ conservation strategies?
Signup and view all the answers
What is the primary criterion for designating hotspots?
Signup and view all the answers
Approximately what percentage of the world's land area do hotspots cover?
Signup and view all the answers
What is the estimated percentage decrease in mass extinction that could be achieved by protecting hotspots?
Signup and view all the answers
Which of the following is NOT a type of in-situ conservation strategy?
Signup and view all the answers
Which of the following regions in India is NOT a designated hotspot?
Signup and view all the answers
What is the primary goal of ex-situ conservation?
Signup and view all the answers
What is cryopreservation used for in conservation?
Signup and view all the answers
What was the outcome of the 2002 World Summit on Sustainable Development?
Signup and view all the answers
What is the main difference between in-situ and ex-situ conservation?
Signup and view all the answers
Why is biodiversity conservation considered a collective responsibility of all nations?
Signup and view all the answers
What is the purpose of seed banks in conservation?
Signup and view all the answers
What is the primary purpose of maintaining national parks?
Signup and view all the answers
What is the main difference between national parks and wildlife sanctuaries?
Signup and view all the answers
Which of the following species is protected in the Khangchendzonga National Park?
Signup and view all the answers
What is the name of the first national park in India?
Signup and view all the answers
In which year did the protection of Elephants start in Simlipal Sanctuary?
Signup and view all the answers
What is the total number of Biosphere reserves in India?
Signup and view all the answers
What is the primary factor contributing to the high diversity in tropical regions?
Signup and view all the answers
What is the estimated number of insect species yet to be discovered and named in the tropical Amazonian rain forest?
Signup and view all the answers
What is the characteristic of tropical regions that leads to greater species diversity?
Signup and view all the answers
What is the reason for the difference in species diversity between tropical and temperate regions?
Signup and view all the answers
What is the total number of bird species found in the Columbia Tropical region?
Signup and view all the answers
What is the primary reason for the high species diversity in tropical regions?
Signup and view all the answers
What is the approximate number of plant and animal species globally?
Signup and view all the answers
What is the term used to describe species that play a critical role in the functioning and stability of the entire ecosystem?
Signup and view all the answers
What percentage of the world's land area does India occupy?
Signup and view all the answers
What is the term used to describe the variety of ecosystem?
Signup and view all the answers
What is the result of the complete disappearance of a species?
Signup and view all the answers
How many biogeographical regions are there in India?
Signup and view all the answers
What is the primary cause of anthropogenic extinction?
Signup and view all the answers
What is the approximate number of animal species in India?
Signup and view all the answers
According to the IUCN Red List, how many vertebrates were documented as extinct in 2004?
Signup and view all the answers
What is the estimated number of species that have become extinct in the last 500 years?
Signup and view all the answers
Why is India considered one of the 12 mega diversity countries of the world?
Signup and view all the answers
What is the term used to describe the dying off or extermination of a large number of species due to catastrophes?
Signup and view all the answers
What is the relationship between species richness and area according to the Species-Area Relationship?
Signup and view all the answers
What is the significance of the slope regression coefficient (Z) in the Species-Area Relationship?
Signup and view all the answers
What is the importance of species diversity in an ecosystem?
Signup and view all the answers
What is the result of David Tilman's work on long-term ecosystem experiments?
Signup and view all the answers
What is the characteristic of a stable community?
Signup and view all the answers
What is the relationship between the slope of the line and the area in the Species-Area Relationship?
Signup and view all the answers
What is the categorization of a species when the last individual has died?
Signup and view all the answers
What is the primary reason for conserving biodiversity?
Signup and view all the answers
What is the level of biodiversity that involves the variety of genes within a species?
Signup and view all the answers
What is the categorization of a species when it has failed to record an individual in its known habitat?
Signup and view all the answers
Why is it important to conserve biodiversity at all levels?
Signup and view all the answers
What is the categorization of a species when it has an extremely high risk of extinction in the wild in the immediate future?
Signup and view all the answers