This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 1 The Living World – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Goat moves with the help of: A) Legs. B) Wings. C) Fins. D) None of the above. Show Answer Correct Answer: A) Legs. 2. Which of the following is TRUE about the roles of BOTH parasites and predators in ecosystems? A) Parasites and predators eliminate the weak and sick, leaving the strongest to reproduce. B) Predators and parasites can act as environmental resistance and allow the host population to grow. C) Predators are generally smaller and parasites support many predators. D) Predators generally have specialized means to capture prey. Show Answer Correct Answer: A) Parasites and predators eliminate the weak and sick, leaving the strongest to reproduce. 3. What does a high biodiversity mean? A) Lots of plants and animals. B) Many species of plants and animals. C) Few plants and animals. D) Very rare plants and animals. Show Answer Correct Answer: B) Many species of plants and animals. 4. Different species of plant-eating animals on the savanna eat plants at different heights. Why do animals adapt this way? A) They are picky eaters. B) They avoid their predators which are at the other heights. C) They can all share the same habitat. D) They migrate to the savanna during different seasons. Show Answer Correct Answer: C) They can all share the same habitat. 5. What does nocturnal mean? A) Being able to blend in which the environment. B) Being active at night and sleeping during the day. C) Soil that does not have very much humus. D) A biome with a hot temperatures and a dry climate. Show Answer Correct Answer: B) Being active at night and sleeping during the day. 6. What is the 10% rule? A) Approximately 90% of energy is passed on from one trophic level to the next. B) Approximately 10% of energy is passed on from one trophic level to the next. C) Approximately 25% of energy is passed on from one trophic level to the next. D) Approximately 50% of energy is passed on from one trophic level to the next. Show Answer Correct Answer: B) Approximately 10% of energy is passed on from one trophic level to the next. 7. Some plants on the Forest floor have adapted to eat insects and small animals. This is because ..... A) The forest floor has poor nutrients in the soil. B) The forest floor has tasty insects. C) The forest floor has soil rich in nutrients. D) The forest floor is full of insects. Show Answer Correct Answer: A) The forest floor has poor nutrients in the soil. 8. Offspring of crosses between parents with different traits A) Salinity. B) Niche. C) Mimicry. D) Hybrid. Show Answer Correct Answer: D) Hybrid. 9. What island would have the greatest biodiversity according to the theory of island biogeography? A) A small island that's far from the mainland. B) A small island that is close to the mainland. C) A large island that's far from the mainland. D) A large island that is close to the mainland. Show Answer Correct Answer: D) A large island that is close to the mainland. 10. About ..... species of animals which have been identified, named, described and classified. A) 7.2 million. B) 7.6 million. C) 8.3 million. D) 8.7 million. Show Answer Correct Answer: D) 8.7 million. 11. Which biome is found on mountain tops? A) Taiga. B) Tundra. C) Polar. D) Alpine. Show Answer Correct Answer: B) Tundra. 12. Which of the following organisms is a carnivore? A) Tiger. B) Cow. C) Giraffe. D) Mango Tree. Show Answer Correct Answer: A) Tiger. 13. Select the choice that best fits each statement. The following question(s) refer to the following processes. Nitrate ions and nitrite ions are converted into nitrous oxide gas and nitrogen gas (N2). A) Nitrogen fixation. B) Nitrification. C) Denitrification. D) Ammonification. E) Assimilation. Show Answer Correct Answer: C) Denitrification. 14. Solanum, Panthera, Homo are examples of A) Family. B) Division. C) Species epithet. D) Genera. Show Answer Correct Answer: D) Genera. 15. Crossing dissimilar individuals in an attempt to bring together their best characteristics is called ..... A) Domestication. B) Polyploidy. C) Hybridization. D) Inbreeding. Show Answer Correct Answer: C) Hybridization. 16. The tundra biome occurs near the poles, while the alpine tundra A) Occurs near the equator. B) Occurs near 30 degrees latitude. C) Occurs on mountain tops and many latitudes. D) Occurs at sea level. Show Answer Correct Answer: C) Occurs on mountain tops and many latitudes. 17. What is a lifespan of a human A) 75 years. B) 100 years. C) 60 years. D) 50 years. Show Answer Correct Answer: B) 100 years. 18. Nitrogen is the most plentiful gas in the atmosphere A) True. B) False. C) Maybe. D) None of the above. Show Answer Correct Answer: A) True. 19. Which of these animals is an example of a reptile? A) Frog. B) Crow. C) Fish. D) Snake. Show Answer Correct Answer: D) Snake. 20. Which of these steps is part of the nitrogen cycle AND the phosphorous cycle? A) It starts off inside underwater rocks and dirt. B) Bacteria convert it into organic compounds. C) Animals leaving waste and death and decay release it back into the soil. D) Rain water and ocean waves break off pieces, putting it back into the ecosystem. Show Answer Correct Answer: C) Animals leaving waste and death and decay release it back into the soil. 21. Match the word to the definition:a number of different species (species richness) combined with the relative abundance of individuals within each of those species (species evenness) in a given area. A) Ecosystem diversity. B) Population density. C) Species diversity. D) Genetic diversity. Show Answer Correct Answer: C) Species diversity. 22. Potato & brinjal belongs to same genus A) Niger. B) Tuberosum. C) Solanum. D) Solanaceae. Show Answer Correct Answer: C) Solanum. 23. What is the name of organisms that only have ONE cell? A) Unicellular organism. B) Tissues. C) Multicellular organism. D) Colonies. Show Answer Correct Answer: A) Unicellular organism. 24. The maintenance of constant temperature inside the body is an example of A) Metabolism. B) Catabolism. C) Anabolism. D) Homeostasis. Show Answer Correct Answer: D) Homeostasis. 25. What organisms help take nitrogen out of the air and convert it into a usable form? A) Bacteria. B) Algae. C) Insects. D) Archae. Show Answer Correct Answer: A) Bacteria. 26. Two or more species occupying same or Overlapping areas are A) Sypatric. B) Sibilling. C) Subspecies. D) Allopatric. Show Answer Correct Answer: C) Subspecies. 27. When bacteria convert ammonia back into nitrogen in the soil it is called ..... A) Assimilation. B) Denitrification. C) Nitrification. D) Nitrogen Fixation. Show Answer Correct Answer: C) Nitrification. 28. Taking advantage of naturally occuring variations in organisms to pass wanted traits on to future generations is called ..... A) Selective breeding. B) Inbreeding. C) Hybridization. D) Mutation. Show Answer Correct Answer: A) Selective breeding. 29. This biome has grass, but few trees due to fires, drought, and grazing A) Temperate grassland. B) Coniferous forest. C) Desert. D) Savanna. Show Answer Correct Answer: A) Temperate grassland. 30. Which of the following would have the highest species richness? A) An ecosystem with 5 highly specialized species with equal amount of individuals in each population. B) An ecosystem with 30 species with varying numbers of each population. C) An ecosystem with 25 species with roughly the same amount of individuals in each population. D) An ecosystem with 15 species with 2 populations dominating in size. Show Answer Correct Answer: B) An ecosystem with 30 species with varying numbers of each population. 31. Organisms that can respond to stimuli are- A) Eukaryotes only. B) Prokaryotes only. C) Both Prokaryotes and eukaryotes. D) Those with a well developed nervous system. Show Answer Correct Answer: C) Both Prokaryotes and eukaryotes. 32. National wildlife refuge A) A federal public land managed for the primary purpose of protecting wildlife. B) A natural area protected and managed by the federal government. C) Variety of habitats, living communities, and ecological processes in the living world. D) Area of federally-owned land where logging and grazing are permitted under more heavily-managed conditions. Show Answer Correct Answer: A) A federal public land managed for the primary purpose of protecting wildlife. 33. Between each trophic level, there is a loss of usable energy. Which of the following best explain why this occurs? A) Limiting factors. B) 2nd law of thermodynamics (increasing disorder). C) 1st law of thermodynamics (conservation of mass). D) The law of conservation of matter. Show Answer Correct Answer: B) 2nd law of thermodynamics (increasing disorder). 34. We could see a much greater number and kinds of living organisms in A) An aquatic environment. B) Aerial region. C) Dense forest. D) None of the above. Show Answer Correct Answer: C) Dense forest. 35. The closer a biome is to the equator, the more we would expect it to be A) Cooler & wetter. B) Cooler & drier. C) Warmer & drier. D) Warmer & wetter. Show Answer Correct Answer: D) Warmer & wetter. 36. What is a common adaptation for buildings constructed on permafrost in Alaska? A) Using underground basements. B) Elevating structures on pilings. C) Building directly on the soil. D) Constructing with only wood materials. Show Answer Correct Answer: B) Elevating structures on pilings. 37. What type of plants are characterized by having soft and green stems? A) Herbs. B) Trees. C) Climbers. D) Shrubs. Show Answer Correct Answer: A) Herbs. 38. When two species live in the same habitat and use exactly the same resources, which of the following will probably occur? A) The two species can live together indefinitely. B) One of the species will eventually go extinct. C) One species will evolve into a parasite. D) The two species do not interact. Show Answer Correct Answer: B) One of the species will eventually go extinct. 39. Which biome is permanently covered by ice? A) Polar. B) Alpine. C) Tundra. D) Taiga. Show Answer Correct Answer: A) Polar. 40. Which term means the change in frequency of an existing gene variant in the population due to random chance? A) Mutation. B) Natural selection. C) Genetic drift. D) Gene flow. Show Answer Correct Answer: C) Genetic drift. 41. Where is our tropical rainforest case study located? A) The Amazon. B) Central Africa. C) Malaysia. D) Australia. Show Answer Correct Answer: C) Malaysia. 42. Name the main characteristics of a hot desert A) High daytime temperatures, low night time temperatures, low rainfall. B) High daytime temperatures, high night time temperatures, low rainfall. C) Low daytime temperatures, high night time temperatures, high rainfall. D) Low daytime temperatures, low night time temperatures, high rainfall. Show Answer Correct Answer: A) High daytime temperatures, low night time temperatures, low rainfall. 43. Photosynthesis is the major source of which of the following gases in Earth's atmosphere? A) Carbon dioxide. B) Hydrogen. C) Nitrogen. D) Water vapor. E) Oxygen. Show Answer Correct Answer: E) Oxygen. 44. Which nitrogen cycle process is occurring when plant roots absorb ammonium ions and nitrate ions for use in making molecules such as DNA, amino acids, and proteins? A) Nitrogen fixation. B) Nitrification. C) Denitrification. D) Assimilation. E) Ammonification. Show Answer Correct Answer: D) Assimilation. 45. Which of the following biomes has the highest NPP? A) Savanna. B) Temperate Deciduous Forest. C) Tropical Rain Forest. D) Tundra. Show Answer Correct Answer: C) Tropical Rain Forest. 46. Evolution is best described as: A) A sudden and massive loss of species on the planet due to climate change. B) A harmful mutation in a species. C) The gradual change and development of species over time, arising from a common ancestor. D) The fossil record of vertebrate development. Show Answer Correct Answer: C) The gradual change and development of species over time, arising from a common ancestor. 47. Living thing are born, grow, reproduce and ..... A) Fly. B) Die. C) Draw. D) None of the above. Show Answer Correct Answer: B) Die. 48. Cactus survives in the desert mainly because of: A) . Soft leaves. B) Water-storing stem. C) Tall roots. D) Bright flowers. Show Answer Correct Answer: B) Water-storing stem. 49. Polyploidy is usually fatal in ..... A) Animals. B) Plants. C) All the above. D) None of the above. Show Answer Correct Answer: A) Animals. 50. Which of the following organisms is not likely to be found as a member of the detritus food web? A) Deer. B) Earthworms. C) Ants. D) Fungi. Show Answer Correct Answer: A) Deer. 51. Something that has worth as an instrument or a tool that can be used to give benefit to others (humans) A) Instrumental value. B) Intrinsic value. C) All the above. D) None of the above. Show Answer Correct Answer: A) Instrumental value. 52. The mixture of saltwater and freshwater in an estuary is called ..... water. A) Brackish. B) Semi-salty. C) Partially-salty. D) Sorta-salty. Show Answer Correct Answer: A) Brackish. 53. In what Kingdom would you find mold and yeast? A) Plantae. B) Protista. C) Animalia. D) Fungi. Show Answer Correct Answer: D) Fungi. 54. In binomial name Mangiferaindica Linn. ;at the end of the name; Linn. represents? A) Name of the author. B) Species was first described by Linnaeus. C) Both a and b. D) Name of the variety. Show Answer Correct Answer: C) Both a and b. 55. A plant nursery only grew one type of tomato. All of their tomatoes died from the same disease. What was most likely true of the tomato plant population? A) It had a lot of resistance to disease. B) It had too little biodiversity. C) It had too much genetic variation. D) It had a few plants that were resistant to disease. Show Answer Correct Answer: B) It had too little biodiversity. 56. Carolus Linnaeus wrote the book A) Methodus Plantarum Nova. B) Systema naturae. C) Historia Generalis Plantarum. D) Origin of species. Show Answer Correct Answer: B) Systema naturae. 57. Which organism is likely to be at the beginning of a food chain for a pond? A) Paramecium. B) Sunfish. C) Freshwater shrimp. D) Green Algae. Show Answer Correct Answer: D) Green Algae. 58. Describe one global conservation effort aimed at protecting biodiversity. A) International Climate Agreement (ICA). B) Convention on Biological Diversity (CBD). C) World Nature Organization (WNO). D) Global Wildlife Fund (GWF). Show Answer Correct Answer: B) Convention on Biological Diversity (CBD). 59. How do environmental policies reflect cultural values? A) Cultural values have no impact on environmental regulations. B) Environmental policies are solely based on economic growth. C) Environmental policies reflect cultural values by aligning regulations and practices with the beliefs and priorities of a society regarding nature and sustainability. D) Environmental policies are only influenced by scientific data. Show Answer Correct Answer: C) Environmental policies reflect cultural values by aligning regulations and practices with the beliefs and priorities of a society regarding nature and sustainability. 60. In which type of isolation, two species living in different habitats are prevented from interbreeding A) Gametic. B) Temporal. C) Ecological. D) Behavioural. Show Answer Correct Answer: C) Ecological. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books