This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A species that is used to represent cause, act of preservation, or foundation is known as what type of species? A) Exotic species. B) Invasive species. C) Flagship species. D) Keystone species. Show Answer Correct Answer: C) Flagship species. 2. A species that is NOT native to a particular region is called A) Natural. B) Invasive. C) Endemic. D) Extraordinary. Show Answer Correct Answer: B) Invasive. 3. Which one is a nonrenewable resource. A) Solar energy. B) Fossil fuel. C) Plants. D) Clean Water. Show Answer Correct Answer: B) Fossil fuel. 4. What is the example of Ex situ? A) Taman negara. B) Jungle. C) Botanical garden. D) None of the above. Show Answer Correct Answer: C) Botanical garden. 5. In danger of becoming endangered A) Threatened. B) Extinct. C) Biodiversity. D) Keystone. Show Answer Correct Answer: A) Threatened. 6. Water and food are examples of ..... for populations A) Emigration. B) Carrying capacity. C) Limiting factor. D) Immigration. Show Answer Correct Answer: C) Limiting factor. 7. According the Alexander von Humboldt: A) Species richness increases with increasing area, but only up to limit. B) There is no relationship between species richness and area explored. C) Species richness goes on increasing with increasing area of exploration. D) Species richness decreases with increasing area of exploration. Show Answer Correct Answer: A) Species richness increases with increasing area, but only up to limit. 8. Separation of an ecosystem into small pieces A) Disruption of habitat. B) Destruction of habitat. C) Fragmentation of habitat. D) Pollution of habitat. Show Answer Correct Answer: C) Fragmentation of habitat. 9. Define habitat fragmentation. A) The excessive use of a species that has economic value. B) All species dying in one area. C) The different environmental conditions that occur along the boundaries of an ecosystem. D) The separation of an ecosystem into small areas. Show Answer Correct Answer: D) The separation of an ecosystem into small areas. 10. A mass extinction is ..... A) A rapid increase in biodiversity. B) The introduction of exotic species. C) The extinction of many species in a short time period. D) A benefit to the environment. Show Answer Correct Answer: C) The extinction of many species in a short time period. 11. The term diversity means A) Similarity. B) Variety. C) All the above. D) None of the above. Show Answer Correct Answer: B) Variety. 12. Earth's various organisms appear to be A) Mostly small vertebrates. B) Largely known to scientist. C) Concentrated in central biomes. D) Evolving at an unprecedented rate. Show Answer Correct Answer: C) Concentrated in central biomes. 13. Which of the following is considered a natural resource? A) Plastic. B) Clean water. C) Concrete. D) Steel. Show Answer Correct Answer: B) Clean water. 14. How can local communities contribute to conservation efforts? A) Local communities can ignore environmental issues. B) Local communities can only rely on government intervention. C) Local communities can engage in clean-ups, habitat restoration, education, advocacy, and collaboration with conservation groups. D) Local communities should focus solely on economic growth. Show Answer Correct Answer: C) Local communities can engage in clean-ups, habitat restoration, education, advocacy, and collaboration with conservation groups. 15. Discuss a real-world example of the "Tragedy of the Commons" and its impact on biodiversity. A) The overfishing of oceans leading to the decline of fish populations. B) The planting of trees in urban areas to improve air quality. C) The construction of dams to generate hydroelectric power. D) The use of pesticides in agriculture to increase crop yield. Show Answer Correct Answer: A) The overfishing of oceans leading to the decline of fish populations. 16. Which of the following regions is very rich in biodiversity? A) Temperate region. B) Polar region. C) Tropical region. D) Equatorial region. Show Answer Correct Answer: C) Tropical region. 17. Where are many critical biodiversity hotspots located? A) Cities and developed areas of the world. B) Islands, tropical rainforests, and coastal areas. C) Desert and polar environments. D) All are correct. Show Answer Correct Answer: B) Islands, tropical rainforests, and coastal areas. 18. Which areas of the United States represent ecosystems with high levels of biodiversity? A) Coastal California. B) Hawaiian Islands. C) Florida Everglades. D) All of the above. Show Answer Correct Answer: D) All of the above. 19. Among animals, the most species rich taxonomic groupis A) Fungi. B) Vertebrates. C) Invertebrates. D) Crustacean. Show Answer Correct Answer: C) Invertebrates. 20. Which of the following is a strategy for species conservation? A) Increasing habitat fragmentation. B) Introducing invasive species to new environments. C) Protecting natural habitats and creating wildlife reserves. D) Reducing the genetic diversity of endangered species. Show Answer Correct Answer: C) Protecting natural habitats and creating wildlife reserves. 21. Read the following statements and select the correct answers.Statement I:Out of every 10 animals on this planet, 7 are insects.Statements II:The number of fungi species in the world is more than the combined total of the species of fishes, amphibians, reptiles and mammals. A) Only statement I is incorrect. B) Only statement II is incorrect. C) Both the statements are incorrect. D) Both the statements are correct. Show Answer Correct Answer: D) Both the statements are correct. 22. The International Union for Conservation of Nature and Natural Resources (IUCN) A) Is known for trying to save endangered species through dramatic, attention-grabbing protests. B) Is an organization of multinational corporations united to fight conservation efforts. C) Is collaboration of about 200 governmental agencies and 700 private conservation groups from around the world. D) Was disbanded after Earth Summit of 1992. Show Answer Correct Answer: C) Is collaboration of about 200 governmental agencies and 700 private conservation groups from around the world. 23. The arguments for conserving biodiversity can be grouped into three categories:narrowly utilitarian, broadly utilitarian, and ..... A) Ethical. B) Economic. C) Ecological. D) Aesthetic. Show Answer Correct Answer: A) Ethical. 24. This supports the conservation and sustainable development of ecologically unique areas visited for pleasure. A) Tourism. B) Ecotourism. C) Genetic Conservation. D) Ecological conservation. Show Answer Correct Answer: B) Ecotourism. 25. Which of the following is NOT an example of an invasive weed species mentioned in the text? A) Carrot grass (Parthenium). B) Lantana. C) Water hyacinth (Eichhornia). D) Rose. Show Answer Correct Answer: D) Rose. 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