Biodiversity and Conservation Ch (14) Practice Quiz in English Part 1 || Class 11 Geography Book -1 Practice Quizzes in English Posted on February 27, 2025February 27, 2025 by Anshul Gupta0% 0 votes, 0 avg 2 Biodiversity and Conservation Ch (14)Practice Quiz in English Part 1 || Class 11 Geography Book -1 Practice Quizzes in English 1 / 201. What is the significance of the Earth Summit held in Rio de Janeiro in 1992? A. It established the first national park in the world B. It initiated the Green Revolution in agriculture C. It led to the signing of the Convention on Biological Diversity D. It marked the beginning of the Industrial Revolution Explanation: The Earth Summit was a major international event where many countries agreed on the importance of conserving biodiversity.2 / 202. What does genetic diversity refer to? A. Variation in genes within species B. The number of different ecosystems C. The differences in climate between areas D. The variety of habitats in a region Explanation: Genetic diversity is the variation in genes within a species, leading to differences in traits like height or color.3 / 203. What is the best estimate for the number of species globally? A. 2 million B. 100 million C. 5 million D. 10 million Explanation: While the exact number is unknown, the best estimate is around 10 million species.4 / 204. What are exotic species? A. Species that are highly adaptable to change B. Species that are on the brink of extinction C. Species that are naturally found in a habitat D. Species that are introduced into a non-native habitat Explanation: Exotic species are those that are not natural to a habitat and can cause harm when introduced.5 / 205. What is the main goal of biodiversity conservation? A. To promote urbanization and industrial development B. To control population growth in developing countries C. To protect and preserve the variety of life on Earth D. To exploit natural resources for economic gain Explanation: Biodiversity conservation aims to protect and maintain the variety of life on Earth for its ecological, economic, and scientific importance.6 / 206. What is the estimated average half-life of a species? A. 100-400 years B. 1-4 million years C. 10-40 years D. 1-4 years Explanation: The average half-life of a species is estimated to be between one and four million years.7 / 207. Biodiversity is NOT evenly distributed on Earth. Where is it generally richer? A. Polar regions B. Temperate regions C. Tropics D. Oceans Explanation: Biodiversity is consistently richer in the tropics due to factors like sunlight and water availability.8 / 208. What percentage of species that have ever lived on Earth are now extinct? A. 100% B. 10% C. 50% D. 99% Explanation: The vast majority of species that have ever existed are now extinct.9 / 209. Which of the following is NOT a reason for establishing national parks and sanctuaries? A. Protection of wildlife B. Hunting C. Recreation D. Conservation Explanation: National parks and sanctuaries are established for conservation and protection of wildlife, not for hunting.10 / 2010. What are mega diversity centers? A. Tropical countries with significant species diversity B. Countries with high levels of industrialization C. Areas with advanced technological development D. Regions with extreme climate conditions Explanation: Mega diversity centers are countries with a large portion of the world’s species diversity, mainly located in tropical regions.11 / 2011. What is the economic role of biodiversity? A. Controlling pollution levels B. Regulating weather patterns C. Determining cultural traditions D. Providing resources like food and medicine Explanation: Biodiversity is a source of food, medicine, and other essential resources for humans.12 / 2012. Which of the following is NOT a level of biodiversity? A. Climate diversity B. Genetic diversity C. Ecosystem diversity D. Species diversity Explanation: The three levels of biodiversity are genetic, species, and ecosystem diversity.13 / 2013. How does biodiversity contribute to an ecosystem’s stability? A. By decreasing the variety of species B. By increasing the variety of species C. By increasing the number of predators D. By reducing the complexity of food webs Explanation: A higher variety of species makes an ecosystem more stable and resilient to change.14 / 2014. Which of the following is NOT a category of threatened species according to the IUCN? A. Abundant B. Vulnerable C. Rare D. Endangered Explanation: The IUCN classifies threatened species as Endangered, Vulnerable, or Rare.15 / 2015. What is the purpose of the Red List? A. To track endangered species worldwide B. To list the most valuable economic resources C. To monitor climate change impacts D. To promote technological advancements Explanation: The Red List is the IUCN’s list of threatened species, providing information on their conservation status.16 / 2016. Which of the following is a cause of biodiversity loss? A. Over-exploitation of resources B. Pollution control measures C. Sustainable farming practices D. Reforestation efforts Explanation: Over-exploitation of natural resources is a major driver of biodiversity loss.17 / 2017. What is the scientific role of biodiversity? A. Developing new technologies B. Understanding the evolution and function of life C. Controlling population growth D. Predicting future economic trends Explanation: Biodiversity helps scientists understand how life evolved, functions, and the role of each species in ecosystems.18 / 2018. What is the IUCN? A. International Union for the Conservation of Nature B. International Union for Community C. Intergovernmental Union for Climate D. International Union for Cultural Explanation: The IUCN is an international organization focused on conservation and sustainable use of natural resources.19 / 2019. Which of the following is NOT a role of biodiversity? A. Ecological B. Economic C. Scientific D. Technological Explanation: Biodiversity plays important ecological, economic, and scientific roles.20 / 2020. What does the term “biodiversity” refer to? A. The number and variety of organisms in a region B. The weather patterns of a specific location C. Only the variety of plant species D. The types of rocks and minerals in an area Explanation: Biodiversity encompasses the variety of life, including plants, animals, microorganisms, and the ecosystems they form.Please insert your information to see your ranking अपनी Ranking जानने के लिए कृपया अपनी जानकारी भरे NamePhone Number Your score isThe average score is 88% 0% Restart quiz Category: Class 11 Geography Quizzes in English
