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