This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 74 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 74 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The number of variety of living organisms in an area A) Classification. B) Metabolism. C) Biography. D) Biodiversity. Show Answer Correct Answer: D) Biodiversity. 2. Which biome is located above 65 degrees north and south? A) Deciduous forest. B) Tundra. C) Hot deserts. D) Tropical rainforest. Show Answer Correct Answer: B) Tundra. 3. Which among the following is involved in the naming of the animals scientifically? A) ICBN. B) ICAN. C) ICPN. D) ICZN. Show Answer Correct Answer: D) ICZN. 4. The ecological role an organism performs in their specific environment is considered the organism's ..... A) Habitat. B) Population. C) Biome. D) Niche. Show Answer Correct Answer: D) Niche. 5. Plants were given Latin names because it is a A) Simple language. B) Common language. C) Dead language. D) None of these. Show Answer Correct Answer: C) Dead language. 6. What role do keystone species play in an ecosystem? A) Keystone species are only found in marine environments. B) Keystone species play a critical role in maintaining the structure and diversity of an ecosystem. C) Keystone species are the most abundant species in an ecosystem. D) Keystone species have no significant impact on ecosystem dynamics. Show Answer Correct Answer: B) Keystone species play a critical role in maintaining the structure and diversity of an ecosystem. 7. Which adaptation helps some desert animals stay cool? A) Light colored fur. B) Long ears. C) Short, thick fur. D) Small feet. Show Answer Correct Answer: B) Long ears. 8. Select the incorrect statements.A) Lower the taxon, more are the characteristics that the members within the taxon share. B) Order is the assemblage of genera which exhibit a few similar characters.C) Cat and dog are included in the same Family Felidae.D) Binomial nomenclature was introduced by carolus Linnaeus. A) A, B and C. B) B, C and D. C) A and D. D) B and C. Show Answer Correct Answer: D) B and C. 9. A species that can tolerate a very wide range of abiotic or biotic conditions. A) Generalist. B) Specialist. C) Endemic species. D) Invasive species. Show Answer Correct Answer: A) Generalist. 10. The relationship between a tick and a bird is best described as which of the following? A) Commensalism. B) Mutualism. C) Parasitism. D) Neutralism. Show Answer Correct Answer: C) Parasitism. 11. What do plants need to survive? A) Water, chocolate, sunlight and air. B) Water, nutrients, sunlight and air. C) Nutrients, sunlight, air and cheese. D) Sunlight, water, nutrients and apples. Show Answer Correct Answer: B) Water, nutrients, sunlight and air. 12. Which biome is found at the equator? A) Tundra. B) Hot deserts. C) Deciduous forest. D) Tropical rainforest. Show Answer Correct Answer: D) Tropical rainforest. 13. What is one way we can reduce human impact on the release of invasive species? A) Increase travel. B) Increase shipping and purchase of goods from other countries. C) Build more residential and commercial areas. D) Return unwanted pets to proper locations and organizations. Show Answer Correct Answer: D) Return unwanted pets to proper locations and organizations. 14. Nitrogen is removed from the atmosphere by: A) Denitrification. B) Fixation. C) Reduction. D) Oxidation. Show Answer Correct Answer: B) Fixation. 15. A ..... is a public area managed by the U.S. Fish and Wildlife Services to conserve and restore fish, wildlife and plants and their habitats for the benefit of future generations. A) National Wildlife Refuge. B) National Park. C) State Forest. D) Wildlife Sanctuary. Show Answer Correct Answer: A) National Wildlife Refuge. 16. . Magnifera indica and Azadirachta indica belongs to ..... A) Same genus. B) Same species. C) Same phylum. D) Same region. Show Answer Correct Answer: B) Same species. 17. Biological organisation starts are A) Sub-microscopic molecular level. B) Cellular level. C) Organismic level. D) Atomic level. Show Answer Correct Answer: A) Sub-microscopic molecular level. 18. Which challenge is directly linked to permafrost when building in Alaska? A) Roads need gravel beds to avoid thawing. B) Buildings can use shallow sand foundations. C) Concrete sets faster in warm soil. D) Pipes never freeze beneath ground. Show Answer Correct Answer: A) Roads need gravel beds to avoid thawing. 19. How does species diversity contribute to ecosystem stability? A) Higher species diversity leads to increased resource depletion. B) Species diversity decreases competition and promotes invasive species. C) Species diversity has no impact on ecosystem functions or health. D) Species diversity contributes to ecosystem stability by increasing resilience to disturbances and ensuring functional redundancy. Show Answer Correct Answer: D) Species diversity contributes to ecosystem stability by increasing resilience to disturbances and ensuring functional redundancy. 20. What percentage of deforestation in the Amazon Rainforest is caused by Commercial farming? A) 20%. B) 50%. C) 65%. D) 80%. E) 58%. Show Answer Correct Answer: D) 80%. 21. Which environment is mainly found in northern Alaska? A) Tundra over permafrost. B) Temperate rainforest. C) Hot desert plateau. D) Tropical savanna. Show Answer Correct Answer: A) Tundra over permafrost. 22. Which factor promotes competition between organisms in an ecosystem? A) Cycling of minerals. B) Limited resources. C) Decomposition of organic matter. D) Presence of saprophytes. Show Answer Correct Answer: B) Limited resources. 23. Which would have barnacles, seaweed, and starfish? A) Coastal ocean. B) Intertidal ocean. C) Open ocean. D) None of the above. Show Answer Correct Answer: B) Intertidal ocean. 24. Similar biomes are often found along ..... A) Lines of latitude. B) Lines of longitude. C) All the above. D) None of the above. Show Answer Correct Answer: A) Lines of latitude. 25. Which human activity would be most destructive to the biodiversity of the biosphere? A) The burning of wood and coal in rural areas. B) The release of species of freshwater trout in lakes. C) The removal of plants from the food webs they support. D) The removal of erosion barriers from forest boundaries. Show Answer Correct Answer: C) The removal of plants from the food webs they support. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 1 The Living World Quiz 1Class 11 Biology Chapter 1 The Living World Quiz 2Class 11 Biology Chapter 1 The Living World Quiz 3Class 11 Biology Chapter 1 The Living World Quiz 4Class 11 Biology Chapter 1 The Living World Quiz 5Class 11 Biology Chapter 1 The Living World Quiz 6Class 11 Biology Chapter 1 The Living World Quiz 7Class 11 Biology Chapter 1 The Living World Quiz 8Class 11 Biology Chapter 1 The Living World Quiz 9Class 11 Biology Chapter 1 The Living World Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books