Importance of Biodiversity Quiz
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Questions and Answers

What is the basic cause for weathering variations and resultant biodiversity?

  • Global warming
  • Input of solar energy and water (correct)
  • Meteorite impacts
  • Human activities

    • How many species are estimated to exist globally?

  • 10 million (correct)
  • 1 billion
  • 100 million
  • 2 million

    • What factor has led to the rapid decline in biodiversity since the emergence of humans?

  • Geological events
  • Natural disasters
  • Climate change
  • Overuse (correct)

    • Why are tropical forests considered very rich in biodiversity?

    <p>Richness of species and ecological niches</p> Signup and view all the answers

    What is the estimated percentage of fresh water fishes from South America that are yet to be classified?

    <p>40%</p> Signup and view all the answers

    How many years of evolution have led to the biodiversity we have today?

    <p>2.5-3.5 billion years</p> Signup and view all the answers

    Why are national parks and sanctuaries established?

    <p>For conservation</p> Signup and view all the answers

    Which regions are known to have richer biodiversity?

    <p>Tropical Regions</p> Signup and view all the answers

    What are threatened species?

    <p>Species suffering from the danger of extinction</p> Signup and view all the answers

    Where was the 'Earth Summit' held?

    <p>Brazil</p> Signup and view all the answers

    What is the importance of biodiversity to human kind?

    <p>Provides ecosystem services and resources</p> Signup and view all the answers

    'Hotspots' refer to areas that are characterized by:

    <p>'Unique' species threatened by introduced species and land development</p> Signup and view all the answers

    What does biodiversity refer to?

    <p>The number and variety of organisms within a specific geographic region</p> Signup and view all the answers

    Which level of biodiversity refers to the variation in genes within species?

    <p>Genetic diversity</p> Signup and view all the answers

    Why is genetic diversity important for the healthy breeding of species?

    <p>It helps in maintaining a healthy breeding population</p> Signup and view all the answers

    What is the term used to describe areas rich in species diversity?

    <p>Hotspots of diversity</p> Signup and view all the answers

    How can a loss of species impact the ability of an ecosystem to maintain itself?

    <p>It decreases the ability of the system to maintain itself</p> Signup and view all the answers

    Which term describes the variety of habitats and ecological processes within an ecosystem type?

    <p>Ecosystem diversity</p> Signup and view all the answers

    In what geographic regions is biodiversity usually richer?

    <p>Tropical regions</p> Signup and view all the answers

    'Crop diversity' falls under which category of biodiversity?

    <p>'Agro-diversity'</p> Signup and view all the answers

    'Bio' in biodiversity refers to:

    <p>'Life'</p> Signup and view all the answers

    What does ecosystem diversity refer to?

    <p>Differences in habitats and ecological processes within each ecosystem type</p> Signup and view all the answers

    How does genetic biodiversity help in a healthy breeding population?

    <p>It ensures greater adaptability to changing environments</p> Signup and view all the answers

    What does species capture and store energy, produce, decompose, etc., according to the text?

    <p>Functions important for ecosystem function and human survival</p> Signup and view all the answers

    What are some of the important economic commodities supplied by biodiversity, as mentioned in the text?

    <p>Food crops and livestock</p> Signup and view all the answers

    What is the scientific role of biodiversity highlighted in the text?

    <p>It helps in understanding how life evolved and continues to evolve</p> Signup and view all the answers

    Why is biodiversity considered important for understanding life functions?

    <p>It provides insight into the role of each species</p> Signup and view all the answers

    What is the ecological role of biodiversity mentioned in the text?

    <p>Species perform functions in an ecosystem</p> Signup and view all the answers

    Why is it considered morally wrong to cause the extinction of any species voluntarily?

    <p>Each species has an intrinsic right to exist</p> Signup and view all the answers

    What has accelerated the loss of species and habitats in different parts of the world?

    <p>Growth in human population</p> Signup and view all the answers

    Which regions contain about three-fourth of the world human population as mentioned in the text?

    <p>Tropical regions</p> Signup and view all the answers

    What has proven disastrous for the entire biosphere according to the text?

    <p>Overexploitation of resources</p> Signup and view all the answers

    What term is used for species that are likely to be in danger of extinction in the near future if threatening factors persist?

    <p>Vulnerable species</p> Signup and view all the answers

    What does IUCN stand for in the context of endangered species classification?

    <p>International Union for Conservation of Nature and Natural Resources</p> Signup and view all the answers

    What is published by IUCN regarding endangered species worldwide according to the text?

    <p>Red List</p> Signup and view all the answers

    What type of species are those which are not the natural inhabitants but introduced into a local habitat?

    <p>Exotic species</p> Signup and view all the answers

    What is the main purpose of the Wild Life (Protection) Act, 1972 passed by the Government of India?

    <p>To establish national parks and sanctuaries</p> Signup and view all the answers

    Why are certain countries like Mexico, Brazil, India, and Indonesia called mega diversity centres?

    <p>Because they possess a large number of the world's species diversity</p> Signup and view all the answers

    How are biodiversity hotspots defined by the International Union for the Conservation of Nature and Natural Resources (IUCN)?

    <p>By their vegetation and primary productivity</p> Signup and view all the answers

    What percentage of plants and animals in Madagascar are found nowhere else in the world?

    <p>85%</p> Signup and view all the answers

    How does disturbance in one form of life affect biodiversity according to the text?

    <p>It causes an imbalance in other forms of life</p> Signup and view all the answers

    What is the critical problem highlighted in the text regarding biodiversity conservation?

    <p>Conservation of species</p> Signup and view all the answers

    What key event took place in June 1992 at Rio de Janeiro, Brazil related to biodiversity conservation?

    <p>Earth Summit</p> Signup and view all the answers

    How is the protection of habitats for species defined in the conservation strategy mentioned in the text?

    <p>Safeguarding areas where species feed, breed, rest, and nurse their young</p> Signup and view all the answers

    What was established under the Wild Life (Protection) Act, 1972 passed by the Government of India?

    <p>National Parks and Sanctuaries</p> Signup and view all the answers

    Which organization has identified certain areas as biodiversity hotspots?

    <p>International Union for Conservation of Nature and Natural Resources (IUCN)</p> Signup and view all the answers

    What is the primary basis for the diversity of vegetation and biodiversity, as mentioned in the text?

    <p>Solar energy and precipitation</p> Signup and view all the answers

    Why has biodiversity begun a rapid decline since the emergence of humans?

    <p>Overexploitation and habitat destruction</p> Signup and view all the answers

    Which type of forests are specifically mentioned as very rich in biodiversity in the text?

    <p>Tropical forests</p> Signup and view all the answers

    What has led to the rapid decline of biodiversity since the arrival of humans?

    <p>Industrialization and urbanization</p> Signup and view all the answers

    How many species are estimated to exist globally, as mentioned in the text?

    <p>Around 10 million</p> Signup and view all the answers

    What is responsible for the diversity of vegetation that underpins biodiversity according to the text?

    <p>Weathering mantle</p> Signup and view all the answers

    Why are national parks and sanctuaries established?

    <p>To conserve biodiversity</p> Signup and view all the answers

    What is the main threat to the unique plants and animals of the islands of Hawaii mentioned in the text?

    <p>Introduced species and land development</p> Signup and view all the answers

    Where is biodiversity richer according to the text?

    <p>Tropical Regions</p> Signup and view all the answers

    What is the significance of 'Earth Summit' as mentioned in the text?

    <p>Discussing global environmental concerns</p> Signup and view all the answers

    What is a major factor contributing to the loss of biodiversity?

    <p>Introduction of exotic species</p> Signup and view all the answers

    Why are threatened species at risk of extinction?

    <p>Suffering from the danger of extinction</p> Signup and view all the answers

    Why is it considered ethically wrong to cause the extinction of any species voluntarily, as mentioned in the text?

    <p>Because each species has an intrinsic right to exist</p> Signup and view all the answers

    What is the main impact of overexploitation of resources and deforestation on biodiversity, as per the text?

    <p>Accelerates loss of species and habitats</p> Signup and view all the answers

    What types of natural calamities are mentioned in the text to cause damage to the flora and fauna of the Earth?

    <p>Earthquakes and volcanic eruptions</p> Signup and view all the answers

    Why is the introduction of exotic species considered harmful to natural biotic communities in an ecosystem?

    <p>Exotic species disrupt the balance and outcompete native species</p> Signup and view all the answers

    What is classified under 'Vulnerable Species' according to the International Union for Conservation of Nature and Natural Resources (IUCN)?

    <p>Species that are likely to be endangered in the near future</p> Signup and view all the answers

    What does loss of biodiversity indicate about relationships with other living species, as per the text?

    <p>Poor relationship with other living species</p> Signup and view all the answers

    How does biodiversity contribute to understanding the evolution of life, as mentioned in the text?

    <p>By providing clues on how life evolved and continues to evolve</p> Signup and view all the answers

    'Tropical regions occupy about one-fourth of the total area but contain three-fourth of the world's human population.' What impact does this human concentration have on biodiversity?

    <p>Accelerates loss of species and habitat destruction in tropical regions</p> Signup and view all the answers

    What is classified under 'Endangered Species' according to the International Union for Conservation of Nature and Natural Resources (IUCN)?

    <p>Species that are likely to be endangered in the near future if current threats persist</p> Signup and view all the answers

    Why has biodiversity become a critical indicator according to the text?

    <p>To assess the state of relationships with other living species</p> Signup and view all the answers

    Why is it important to preserve endangered species according to the text?

    <p>To maintain the balance of the ecosystem</p> Signup and view all the answers

    What is the main purpose of the Wild Life (Protection) Act, 1972 passed by the Government of India as mentioned in the text?

    <p>To protect and conserve wildlife</p> Signup and view all the answers

    Why are habitats where species feed, breed, rest, and nurse their young safeguarded and protected according to the text?

    <p>To ensure the survival and well-being of species</p> Signup and view all the answers

    What does 'mega diversity centres' refer to as mentioned in the text?

    <p>Countries with a large number of world's species diversity</p> Signup and view all the answers

    Why are areas identified as biodiversity hotspots crucial for conservation efforts?

    <p>Due to their vegetation richness</p> Signup and view all the answers

    What is the significance of involving local communities and individuals in biodiversity conservation efforts?

    <p>It promotes sustainable conservation practices</p> Signup and view all the answers

    How does disturbance in one form of life impact other life forms according to the text?

    <p>It leads to an imbalance in ecosystems</p> Signup and view all the answers

    What event took place at the Earth Summit held in June 1992 at Rio de Janeiro, Brazil related to biodiversity conservation?

    <p>'Convention on Biodiversity' was signed by 155 nations</p> Signup and view all the answers

    Why is continuity in the conservation process highlighted as a critical problem regarding biodiversity?

    <p>Ensures long-term preservation of species and habitats</p> Signup and view all the answers

    'Hotspots' are defined according to what characteristic mentioned in the text?

    <p>Their vegetation richness</p> Signup and view all the answers

    'Habitats where species feed, breed, rest, and nurse their young should be safeguarded and protected' refers to which aspect of biodiversity conservation?

    <p>'Species habitat protection'</p> Signup and view all the answers

    What is the estimated average half-life of a species?

    <p>One to four million years</p> Signup and view all the answers

    What does genetic diversity refer to?

    <p>Variation of genes within species</p> Signup and view all the answers

    What are areas rich in species diversity referred to as?

    <p>Hotspots of diversity</p> Signup and view all the answers

    Why is genetic diversity important for the healthy breeding of species?

    <p>It enhances the chances of adapting to environmental changes</p> Signup and view all the answers

    What does ecosystem diversity consider?

    <p>Diversity of habitats and ecological processes in different ecosystem types</p> Signup and view all the answers

    What is the main reason for classifying some areas as biodiversity hotspots?

    <p>Richness, abundance, and types of species</p> Signup and view all the answers

    Why is biodiversity considered our living wealth according to the text?

    <p>It constitutes a reservoir for resources like food and medicine</p> Signup and view all the answers

    How does a high genetic diversity contribute to the survival of species?

    <p>By increasing the chances of adapting to environmental change</p> Signup and view all the answers

    What is the main basis for the diversity of vegetation and biodiversity?

    <p>Solar energy and water input</p> Signup and view all the answers

    Why has biodiversity begun a rapid decline since the emergence of humans?

    <p>Due to overuse and extinction of species</p> Signup and view all the answers

    What factor has contributed significantly to the loss of biodiversity according to the text?

    <p>Overexploitation of resources</p> Signup and view all the answers

    What is the estimated range of global species numbers mentioned in the text?

    <p>2 million to 100 million</p> Signup and view all the answers

    What region is highlighted as particularly rich in biodiversity according to the text?

    <p>Tropical forests</p> Signup and view all the answers

    How long is the evolution period mentioned in the text that has led to today's biodiversity?

    <p>2.5-3.5 billion years</p> Signup and view all the answers

    What is the main purpose of establishing national parks and sanctuaries?

    <p>Conservation</p> Signup and view all the answers

    Which regions are known to have richer biodiversity?

    <p>Tropical Regions</p> Signup and view all the answers

    What does 'threatened species' refer to?

    <p>Species suffering from the danger of extinction</p> Signup and view all the answers

    Where was the 'Earth Summit' held?

    <p>Brazil</p> Signup and view all the answers

    What is the term used to describe areas with unique plants and animals threatened by introduced species and land development?

    <p>Hotspots</p> Signup and view all the answers

    Why are threatened species in danger of extinction?

    <p>Lack of suitable habitats</p> Signup and view all the answers

    What is the average estimated half-life of a species according to the text?

    <p>Between one and four million years</p> Signup and view all the answers

    What does biodiversity refer to, as mentioned in the text?

    <p>The number and variety of organisms in a specified geographic region</p> Signup and view all the answers

    Why is diversity consistently richer in the tropics according to the text?

    <p>As one moves towards polar regions, species populations decrease</p> Signup and view all the answers

    What is genetic biodiversity primarily related to?

    <p>Variation of genes within species</p> Signup and view all the answers

    What does the term 'hotspot' primarily refer to regarding biodiversity?

    <p>Areas rich in species diversity</p> Signup and view all the answers

    How does a high biodiversity contribute to the stability of an ecosystem?

    <p>By increasing the chances for species to survive through adversities</p> Signup and view all the answers

    What is 'crop diversity' often referred to as within biodiversity discussions?

    <p>Genetic diversity</p> Signup and view all the answers

    Why is it mentioned that boundaries of ecosystems are not rigidly defined?

    <p>Because ecosystems evolve without any reason</p> Signup and view all the answers

    What is an essential role that individual organisms play within an ecosystem?

    <p>To contribute something useful to other organisms as well</p> Signup and view all the answers

    In what way does biological resources contribute to the deterioration of biodiversity?

    <p>By being exploited for food, pharmaceutical, and cosmetic products</p> Signup and view all the answers

    How do ecosystem boundaries impact the adaptability of an ecosystem?

    <p>By making it difficult to define distinct ecosystem boundaries</p> Signup and view all the answers

    Why is it important for an ecosystem to have a high genetic diversity?

    <p>To enhance chances of adaptation to environmental change</p> Signup and view all the answers

    What does the International Union for the Conservation of Nature and Natural Resources (IUCN) identify as biodiversity hotspots?

    <p>Habitats with a large number of endemic species</p> Signup and view all the answers

    How does the Wild Life (Protection) Act, 1972 in India contribute to biodiversity conservation?

    <p>By establishing biosphere reserves and national parks</p> Signup and view all the answers

    Why are mega diversity centres significant according to the text?

    <p>They possess a large portion of the world's species diversity</p> Signup and view all the answers

    What is the main purpose of the Convention on Biodiversity signed at the Earth Summit in 1992?

    <p>To encourage nations to adopt sustainable practices for biodiversity conservation</p> Signup and view all the answers

    Why are local communities and individuals considered crucial for successful biodiversity conservation efforts?

    <p>Their involvement leads to more effective conservation outcomes</p> Signup and view all the answers

    What is a critical issue highlighted by the text regarding biodiversity conservation?

    <p>The need for continuous conservation efforts beyond species preservation</p> Signup and view all the answers

    How does disturbance in one form of life affect biodiversity according to the text?

    <p>It causes imbalance and degradation in the environment affecting other life forms</p> Signup and view all the answers

    What is the primary basis for the diversity of vegetation that underpins biodiversity according to the text?

    <p>Variety and abundance of plant species</p> Signup and view all the answers

    What is identified as crucial for successful environment-friendly practices and sustainable development according to the text?

    <p>Involvement and cooperation of local communities and individuals</p> Signup and view all the answers

    In what way do hotspots rely on species-rich ecosystems according to the text?

    <p>Primarily for providing essential resources like food, cropland, and timber</p> Signup and view all the answers

    What is one of the main strategies suggested by conservationists to prevent extinction as mentioned in the text?

    <p>Making efforts to preserve endangered species</p> Signup and view all the answers

    How do areas with mega diversity centres contribute significantly to global biodiversity according to the text?

    <p>By possessing a vast array of different plant and animal species</p> Signup and view all the answers

    Why is it considered morally wrong to voluntarily cause the extinction of any species?

    <p>Because each species has an intrinsic right to exist</p> Signup and view all the answers

    What is the impact of rapid human population growth on biodiversity loss?

    <p>It accelerates the loss of species and habitats</p> Signup and view all the answers

    Why are tropical rain forests considered crucial for biodiversity?

    <p>As they contain 50% of the species on Earth</p> Signup and view all the answers

    What is the role of overexploitation of resources in biodiversity loss?

    <p>It accelerates deforestation</p> Signup and view all the answers

    What categorizes a species as 'Endangered' according to the IUCN?

    <p>They are likely to be in danger of extinction in the near future</p> Signup and view all the answers

    How do pollutants like pesticides impact biodiversity according to the text?

    <p>They destroy weak and sensitive species</p> Signup and view all the answers

    Why are exotic species harmful when introduced into a local habitat?

    <p>They can cause extensive damage to the natural biotic community</p> Signup and view all the answers

    What is the primary driver of weathering variations and resultant biodiversity?

    <p>Input of solar energy and water</p> Signup and view all the answers

    How long is the estimated evolutionary period that has led to the current biodiversity?

    <p>2.5-3.5 billion years</p> Signup and view all the answers

    What has caused a rapid decline in biodiversity since the emergence of humans?

    <p>Overuse and exploitation</p> Signup and view all the answers

    Why are tropical forests mentioned as being very rich in biodiversity?

    <p>Abundance of species</p> Signup and view all the answers

    What is the approximate global range for the number of species mentioned in the text?

    <p>2 million to 100 million</p> Signup and view all the answers

    How does the weathering mantle impact the diversity of vegetation and biodiversity?

    <p>It promotes speciation</p> Signup and view all the answers

    What is the main threat to the unique plants and animals of the islands of Hawaii?

    <p>Land development</p> Signup and view all the answers

    Where was the 'Earth Summit' held?

    <p>Brazil</p> Signup and view all the answers

    In biodiversity conservation, what does the term 'hotspots' refer to?

    <p>Ecologically sensitive zones with high species diversity</p> Signup and view all the answers

    Why are national parks and sanctuaries established?

    <p>To conserve biodiversity</p> Signup and view all the answers

    What is the main focus of the Convention on Biodiversity signed at the Earth Summit in 1992?

    <p>Conserving genetic resources</p> Signup and view all the answers

    'Exotic species' refer to those that are:

    <p>Introduced into a local habitat by human activities</p> Signup and view all the answers

    What is the significance of the Wild Life (Protection) Act, 1972 passed by the Government of India?

    <p>To establish national parks and sanctuaries for endangered species</p> Signup and view all the answers

    Why are certain areas identified as biodiversity hotspots according to the text?

    <p>Because they rely on species-rich ecosystems for food and income</p> Signup and view all the answers

    Why are mega diversity centres like Mexico, Brazil, and India important in biodiversity conservation?

    <p>Because they possess a significant portion of the world's species diversity</p> Signup and view all the answers

    What is the main focus of the International Union for the Conservation of Nature and Natural Resources (IUCN) regarding biodiversity?

    <p>Concentrating resources on vulnerable areas</p> Signup and view all the answers

    Why is there an emphasis on safeguarding habitats where species feed, breed, rest, and nurse their young?

    <p>To protect the critical functions that support species survival</p> Signup and view all the answers

    What is a key reason for the establishment of biosphere reserves according to the text?

    <p>To propagate a variety of species within natural boundaries</p> Signup and view all the answers

    Why is it mentioned that development must be harmonious with other life forms?

    <p>To ensure human activities are sustainable and not destructive</p> Signup and view all the answers

    What is the critical problem highlighted in the text regarding biodiversity conservation efforts?

    <p>Continuation of the process of conservation</p> Signup and view all the answers

    What is the primary contribution of vegetation to biodiversity hotspots?

    <p>Determining the primary productivity of ecosystems</p> Signup and view all the answers

    Why is there an urgent need to educate people about adopting environment-friendly practices?

    <p>To reorient activities towards sustainable development</p> Signup and view all the answers

    What represents the continuing process of conservation highlighted in the text?

    <p>Conservation beyond preserving species or habitats</p> Signup and view all the answers

    What is the main role of local communities in biodiversity conservation efforts according to the text?

    <p>Involvement and cooperation for sustainable conservation practices</p> Signup and view all the answers

    Why is it unethical to voluntarily cause the extinction of any species?

    <p>Because it disrupts the balance in biodiversity</p> Signup and view all the answers

    How do natural calamities impact biodiversity?

    <p>By causing damage to the flora and fauna</p> Signup and view all the answers

    What do pesticides and pollutants primarily do to weak and sensitive species?

    <p>Destroy them</p> Signup and view all the answers

    What is the consequence of overexploitation of resources on biodiversity?

    <p>Accelerated loss of species and habitats</p> Signup and view all the answers

    How can the introduction of exotic species harm a natural biotic community?

    <p>By causing extensive damage</p> Signup and view all the answers

    Why are tropical rainforests considered disastrous if destroyed?

    <p>Due to a decrease in biodiversity</p> Signup and view all the answers

    What is the main contribution of human communities to biodiversity?

    <p>Shaping the diversity of nature at various levels</p> Signup and view all the answers

    How does biodiversity serve as an indicator of relationships with other living species?

    <p>It reflects respect for other species' lives</p> Signup and view all the answers

    What is the main function of ecosystems according to the text?

    <p>To support diverse species interactions and functions</p> Signup and view all the answers

    What is the primary role of each species in an ecosystem as mentioned in the text?

    <p>To fulfill specific functions within the ecosystem</p> Signup and view all the answers

    Why is it essential for humans to consider the intrinsic right of every species to exist?

    <p>To maintain ethical responsibility towards all living organisms</p> Signup and view all the answers

    How does each species in an ecosystem contribute to sustaining life according to the text?

    <p>By playing specific roles in supporting ecosystem functions</p> Signup and view all the answers

    What does biodiversity refer to?

    <p>The variability in living organisms within a specific geographic area</p> Signup and view all the answers

    What is genetic diversity?

    <p>The variation of genes within species</p> Signup and view all the answers

    Why is biodiversity considered our living wealth?

    <p>It contributes to the health of ecosystems and human survival</p> Signup and view all the answers

    What is the relationship between ecosystem adaptability and biodiversity according to the text?

    <p>Ecosystems with high biodiversity have greater chances of adapting to environmental change</p> Signup and view all the answers

    What term is used to describe areas that are rich in species diversity?

    <p>'Hotspots' of diversity</p> Signup and view all the answers

    How does genetic diversity contribute to healthy breeding of species?

    <p>By allowing for adaptability to changing environments</p> Signup and view all the answers

    What is the economic role of biodiversity mentioned in the text?

    <p>As a reservoir for manufacturing food, pharmaceutical, and cosmetic products</p> Signup and view all the answers

    What benefit does a diverse ecosystem provide according to the text?

    <p>Increased chances for species survival during adversities</p> Signup and view all the answers

    'Boundaries' of communities and ecosystems are not rigidly defined primarily because:

    <p>'Boundaries' can be difficult and complex to demarcate</p> Signup and view all the answers

    'Hotspots' of biodiversity contain:

    <p>'Hotspots' are areas rich in species diversity</p> Signup and view all the answers

    What is agro-biodiversity?

    <p>The variability of genes within agricultural crops.</p> Signup and view all the answers

    Why are areas rich in species diversity called hotspots?

    <p>They contain large numbers of different species.</p> Signup and view all the answers

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