This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 46 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The occupation of a habitat or territory by a biological community or of an ecological niche by a single population of a species. A) Overgrazing. B) Colonization. C) Biomagnification. D) Speciation. Show Answer Correct Answer: B) Colonization. 2. As we go from species to kingdom in a taxonomical hierarchy, the number of common characteristics A) Will decrease. B) Will increase. C) Remain same. D) May increase or decrease. Show Answer Correct Answer: A) Will decrease. 3. A biological ..... is a group of interbreeding populations that is reproductively isolated from other groups. A) Species. B) Family. C) Phylogeny. D) Hybrid. Show Answer Correct Answer: A) Species. 4. Which pathway shows how atmospheric nitrogen is converted into the nitrogen compounds that plants need? A) Atmospheric nitrogen $\rightarrow$ denitrifying bacteria $\rightarrow$ plants. B) Atmospheric nitrogen $\rightarrow$ plants. C) Atmospheric nitrogen $\rightarrow$ nitrogen-fixing bacteria and other soil bacteria $\rightarrow$ plants. D) Atmospheric nitrogen $\rightarrow$ animals $\rightarrow$ denitrifying bacteria $\rightarrow$ plants. Show Answer Correct Answer: C) Atmospheric nitrogen $\rightarrow$ nitrogen-fixing bacteria and other soil bacteria $\rightarrow$ plants. 5. Human waste is often dumped in the ocean. Microbial organisms in marine ecosystems can break down organic waste into less harmful components. This is an example of A) A cultural service. B) An ecosystem provision. C) A regulating service. D) An intrinsic value. Show Answer Correct Answer: C) A regulating service. 6. Lifespan of dog A) 5 to 8 years. B) 8 to 13 years. C) 12 to 18 years. D) 18 to 20 years. Show Answer Correct Answer: C) 12 to 18 years. 7. What are some examples of cultural practices that promote diversity? A) Traditional cooking classes. B) Local sports tournaments. C) Examples of cultural practices that promote diversity include multicultural festivals, language exchange programs, and inclusive educational curricula. D) Solo art exhibitions. Show Answer Correct Answer: C) Examples of cultural practices that promote diversity include multicultural festivals, language exchange programs, and inclusive educational curricula. 8. A severe storm that involves strong winds and forms over warm water is: A) Tornado. B) Thunderstorm. C) Hurricane. D) Blizzard. Show Answer Correct Answer: C) Hurricane. 9. What is the unique feature of each bird's chirp mentioned in the text? A) They are all the same. B) Birds chirp only at night. C) Each bird has a unique chirp. D) Birds do not chirp. Show Answer Correct Answer: C) Each bird has a unique chirp. 10. Background extinction A) Separation of species or populations so that they cannot interbreed and produce fertile offspring. B) Extinction caused by slow and steady process of natural selection. C) A species can no longer be found anywhere. D) An ecological succession that begins in an area where no biotic community previously existed. Show Answer Correct Answer: B) Extinction caused by slow and steady process of natural selection. 11. Fill in the blank: ..... is any genetically controlled structural, physiological, or behavioral characteristic that helps an organism survive and reproduce under a given set of environmental conditions. A) Adaptation. B) Mutation. C) Migration. D) Extinction. Show Answer Correct Answer: A) Adaptation. 12. The destruction of vegetation when too many grazing animals feed too long on a specific area of pasture or rangeland and exceed carrying capacity of the rangeland is the definition of which of the following terms? A) Overgrazing. B) Afforestation. C) Desertification. D) Irrigation. Show Answer Correct Answer: A) Overgrazing. 13. The use of an ecosystem such as a forest for a variety of purposes such as timber harvesting, wildlife habitat, watershed protection, and recreation is defined as which of the following? A) Multiple-use land. B) Single-use land. C) Protected land. D) Urban land. Show Answer Correct Answer: A) Multiple-use land. 14. A design in which researchers manipulate an independent variable and measure a dependent variable to determine a cause-and-effect relationship A) Easter Island. B) Ecological footprint. C) Keystone species. D) Experimental Design. Show Answer Correct Answer: D) Experimental Design. 15. What type of movement do fish use? A) Walking. B) Crawling. C) Swimming. D) Flying. Show Answer Correct Answer: C) Swimming. 16. Which of the following is NOT an example of a commons? A) Air. B) Oceans. C) Private beach. D) Forests. Show Answer Correct Answer: C) Private beach. 17. How does the hydrosphere interact with the carbon cycle? A) Carbon dissolves in water and evaporates into air. B) Nitrogen dissolves in water and evaporates into air. C) All the above. D) None of the above. Show Answer Correct Answer: A) Carbon dissolves in water and evaporates into air. 18. Which percent of the Earth's water is available as liquid freshwater? A) 3%. B) 1%. C) 15%. D) 97%. Show Answer Correct Answer: B) 1%. 19. The model of the energy available at each level that ALWAYS gets smaller as you go up is the A) Energy pyramid. B) Numbers pyramid. C) Biomass pyramid. D) Food web. Show Answer Correct Answer: A) Energy pyramid. 20. Where are most cold environments found? A) Near the equator. B) Near the Arctic and Antarctic Circles. C) Randomly spread around the earth. D) None of the above. Show Answer Correct Answer: B) Near the Arctic and Antarctic Circles. 21. What is the definition of deforestation? A) The removal of trees. B) The cutting down or burning of trees. C) The burning of trees in a forested area. D) The removal of trees in a forested area. Show Answer Correct Answer: D) The removal of trees in a forested area. 22. Which of the following is a potential benefit of genetically modified crops? A) Reduced nutritional value. B) Increased pesticide use. C) Improved resistance to pests. D) Decreased crop yield. Show Answer Correct Answer: C) Improved resistance to pests. 23. What groups of organisms are most in danger of extinction? A) Those with small populations, specialists, large territories. B) Those that do not migrate or need special habitats. C) Those with large populations that breed quickly. D) None of the above. Show Answer Correct Answer: A) Those with small populations, specialists, large territories. 24. Organisms who depend on plants and animals for their food are called: A) Autotrophic Organisms. B) Heterotrophic Organisms. C) Micro-organisms. D) Monsters. Show Answer Correct Answer: B) Heterotrophic Organisms. 25. A dikaryon is formed when A) Meiosis vis arrested. B) The two haploid cell do not fuse. C) Cytoplasm do not fuse. D) None of the above. Show Answer Correct Answer: D) None of the above. ← 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