This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 54 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 54 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is an organism that has similar characteristics and can reproduce? A) Species. B) Organism. C) Embryology. D) Vestigial. Show Answer Correct Answer: A) Species. 2. What are the two methods of reproduction by Amoeba? A) Fermentation and Diffusion. B) Nitrogen Fixation and Nitrification. C) Binary Fission and Multiple Fission. D) None of the above. Show Answer Correct Answer: C) Binary Fission and Multiple Fission. 3. The number of different species in a community A) Species richness. B) Species diversity. C) Range of tolerance. D) Relative abundance. Show Answer Correct Answer: A) Species richness. 4. This is released by the weathering of rocks. A) Carbon. B) Oxygen. C) Phosphorus. D) Nitrogen. Show Answer Correct Answer: C) Phosphorus. 5. Succession following a disturbance that destroys a community without destroying the soil A) Primary succession. B) Ecosystem diversity. C) Secondary succession. D) Reproductive isolation. Show Answer Correct Answer: C) Secondary succession. 6. One of the following objects was once a living thing. This one is: A) Table. B) Bowl. C) Plastic ruler. D) Mug. Show Answer Correct Answer: A) Table. 7. This includes all the different varieties of species and organisms within an ecosystem, which need to be protected A) Community. B) Mutualism. C) Population. D) Biodiversity. Show Answer Correct Answer: D) Biodiversity. 8. As the population of prey decreases, the population of the predator which eats it will ..... A) Increase. B) Decrease. C) Remain Constant. D) None of the above. Show Answer Correct Answer: B) Decrease. 9. Species that are nonnative and harmful to an ecosystem A) Nonnative species. B) Invasive species. C) Keystone species. D) Indicator species. Show Answer Correct Answer: B) Invasive species. 10. In ..... of higher animals and plants ..... and ..... are mutually ..... events. A) All, cell division, replacement, dependent. B) Majority, growth, reproduction, exclusive. C) All, growth, cell division, dependent. D) Majority, cell division, replacement, exclusive. Show Answer Correct Answer: B) Majority, growth, reproduction, exclusive. 11. A taxon is A) A group of related families. B) A group of related species. C) A type of living organisms. D) A taxonomic group of any ranking. Show Answer Correct Answer: D) A taxonomic group of any ranking. 12. A producer always A) Eats other producers. B) Gets energy from the sun. C) Is a herbivore. D) Is a plant. Show Answer Correct Answer: B) Gets energy from the sun. 13. Ecosystems that are on land A) Lithosphere. B) Biosphere. C) Aquatic ecosystems. D) Terrestrial ecosystems. Show Answer Correct Answer: D) Terrestrial ecosystems. 14. Which of the following is the correct scientific name of wheat derived by binomial nomenclature? A) Triticum Vulgare. B) Triticum aestivum. C) Oryza sativa. D) Zea mays. Show Answer Correct Answer: B) Triticum aestivum. 15. What is the formula for atmospheric nitrogen? A) N. B) N$_{2}$. C) NH$_{3}$. D) NO$_{3}$. Show Answer Correct Answer: B) N$_{2}$. 16. Which of the following describes the role of nitrogen-fixing bacteria in the nitrogen cycle? Nitrogen-fixing bacteria convert ..... A) Nitrates intro nitrogen gas. B) Ammonia into proteins. C) Nitrogen gas into ammonium ions. D) Proteins into nitrates. Show Answer Correct Answer: C) Nitrogen gas into ammonium ions. 17. ..... can also fix nitrogen gas for plants. A) Lightning. B) People. C) Animals. D) Viruses. Show Answer Correct Answer: A) Lightning. 18. This biome has the highest net primary productivity, in part because of consistently warm temperatures and abundant sunlight. A) Temperate grassland. B) Taiga. C) Tropical rainforest. D) Tundra. Show Answer Correct Answer: C) Tropical rainforest. 19. Primary producers in a lake ecosystem store approximately 25000 kcal of energy in their biomass. Which of the following identifies the most likely amount of energy available to a tertiary consumer in this ecosystem? A) 25 kcal. B) 250 kcal. C) 2500 kcal. D) 25000 kcal. Show Answer Correct Answer: A) 25 kcal. 20. A reduction in the genetic diversity of a population caused by a reduction in its size. A) Genetic drift. B) Gene flow. C) Bottleneck effect. D) Founder effect. Show Answer Correct Answer: C) Bottleneck effect. 21. Beginning at the lowest trophic level, arrange the following food chain found on the Serengeti Plain of Africa in the correct sequence. A) Shrubs-decomposers-gazelles-cheetahs. B) Gazelles-decomposers-cheetahs-shrubs. C) Shrubs-gazelles-cheetahs-decomposers. D) Decomposers-cheetahs-shrubs-gazelles. Show Answer Correct Answer: C) Shrubs-gazelles-cheetahs-decomposers. 22. In what way are humans most impacting the biodiversity of ecosystems around the world? A) We are putting too many organisms in zoos or keeping them as pets. B) We are increasing biodiversity by breeding new species. C) We are destroying the habitats of a large number of species. D) Recreational hunting. Show Answer Correct Answer: C) We are destroying the habitats of a large number of species. 23. Which of the following categories possesses maximum number of related characters? A) Order. B) Phylum. C) Class. D) Species. Show Answer Correct Answer: D) Species. 24. Which of the following plants has parallel venation? A) Rose. B) Hibiscus. C) Banana. D) Tulsi. Show Answer Correct Answer: C) Banana. 25. ..... brings phosphorous into our waterways ..... A) Precipitation. B) Runoff. C) Transpiration. D) Condensation. Show Answer Correct Answer: B) Runoff. ← 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