This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 70 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 70 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A rabbit eats grass, a snake eats the rabbit, a fox eats the snake, a coyote eats the fox ..... the rabbit is a ..... consumer A) Primary. B) Secondary. C) Tertiary. D) None of above. Show Answer Correct Answer: A) Primary. 2. Plants cannot grow in the ..... because sunlight cannot reach the cold depths. A) Coral reef. B) Deep sea. Show Answer Correct Answer: B) Deep sea. 3. What is the symbol for carrying capacity? A) K. B) J. C) L. D) M. Show Answer Correct Answer: A) K. 4. The ..... % rule states that only ..... % of energy is transferred to the next trophic level. A) 50%. B) 100%. C) 25%. D) 10%. Show Answer Correct Answer: D) 10%. 5. The main idea of sustainability is to act responsibly so that the resources on the planet will be able to ..... many generations to come. A) Clothe. B) Support. C) Wipe out. D) Feed. Show Answer Correct Answer: B) Support. 6. What follows evaporation during the water cycle? How does this occur? A) Water evaporates into water vapor. B) Water vapor condenses and forms a cloud. C) Water precipitates to the ground. D) Water runs down into the hydrosphere. Show Answer Correct Answer: B) Water vapor condenses and forms a cloud. 7. The three steps of the water cycle include: A) Condensation, precipitation, filtration. B) Filtration, irrigation, evaporation. C) Precipitation, condensation, evaporation. D) Precipitation, filtration, evaporation. Show Answer Correct Answer: C) Precipitation, condensation, evaporation. 8. On which kind of day would you expect the most evaporation from the surface of a pond? A) Warm, rainy. B) Cold, sunny. C) Warm, sunny. D) Cold, rainy. Show Answer Correct Answer: C) Warm, sunny. 9. Which is the correct order of energy flow A) Tertiary consumer, secondary consumer, primary consumer, producer. B) Producer, secondary consumer, tertiary consumer, primary consumer. C) Producer, secondary consumer, primary consumer, tertiary consumer. D) Producer, primary consumer, secondary consumer, tertiary consumer. Show Answer Correct Answer: D) Producer, primary consumer, secondary consumer, tertiary consumer. 10. Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession? A) A flood. B) A volcanic eruption. C) A drought. D) To tornado. Show Answer Correct Answer: B) A volcanic eruption. 11. A squirrels niche would be ..... A) Hunting prey and providing meat for other squirrels. B) Searching for fish to eat in the ocean. C) Staying busy storing nuts and seeds for winter. D) Help decompose other animals and plants. Show Answer Correct Answer: C) Staying busy storing nuts and seeds for winter. 12. The change in the physical state of water from gas to liquid is called? A) Run off. B) Evaporation. C) Condensation. D) Precipitation. Show Answer Correct Answer: C) Condensation. 13. What is included in an ecosystem? A) Only biotic organisms. B) Only abiotic organisms. C) Biotic and abiotic living together. D) Bitoic and some abiotic. Show Answer Correct Answer: C) Biotic and abiotic living together. 14. Popultion decrease is due to A) Immigration. B) Immigration. C) Energy. D) None of above. Show Answer Correct Answer: A) Immigration. 15. The role an organism plays in the environment. A) Habitat. B) Niche. Show Answer Correct Answer: B) Niche. 16. Which major changes in human society and the environment occurred during the Industrial Revolution? A) People lived in small tribes; many mammals went extinct. B) Domesticated plants were altered; forest was replaced with farmland. C) Fossil fuel consumption, technological efficiency, and environmental pollution increased. D) Common grazing areas were replaced with closed fields. Show Answer Correct Answer: C) Fossil fuel consumption, technological efficiency, and environmental pollution increased. 17. Which of the following are all abiotic? A) Water, Fish, Insects, Lily Plants. B) Dogs, Meat, Cats, Catnip. C) Temperature, Light, Rain, Gravity, Heat. D) Lion, Pride Rock, Warthog, Meerkat. Show Answer Correct Answer: C) Temperature, Light, Rain, Gravity, Heat. 18. Which level contains all the biotic and abiotic factors in a specific area and includes the climate? A) Species. B) Ecosystem. C) Community. D) Biome. Show Answer Correct Answer: D) Biome. 19. Increased carbon dioxide may cause global warming by trapping more ..... in the atmosphere. A) Water vapor. B) Gases. C) Water. D) Heat. Show Answer Correct Answer: D) Heat. 20. The movement of an organism into another population is what term? A) Immigration. B) Relocating. C) Emigration. D) Migrating. Show Answer Correct Answer: C) Emigration. 21. What feature of a bird did Darwin study in depth? A) Color. B) Size. C) How they fly. D) Beak shape. Show Answer Correct Answer: D) Beak shape. 22. How is energy transferred between organisms in a food chain? A) Respiration. B) Combustion. C) Ingestion. D) Photosynthesis. Show Answer Correct Answer: C) Ingestion. 23. In some parts of the world, forests are being cut down and burned to clear land for new homes and new farmland. A negative effect of these activities might be A) An increase in global warming. B) A decrease in the average temperature of theatmosphere. C) Destruction of the ozone shield. D) An increase in biodiversity of the deforestedareas. Show Answer Correct Answer: A) An increase in global warming. 24. The maximum population that an environment can reasonably sustain is its ..... A) Weight Limit. B) Carrying Capacity. C) Bearable Load. D) Sustainability Cap. Show Answer Correct Answer: B) Carrying Capacity. 25. All populations of all species living in an ecosystem. A) Ecosystem. B) Species. C) Population. D) Community. Show Answer Correct Answer: D) Community. 26. Organisms that makes its own food using sunlight or chemicals; producer A) Herbivore. B) Heterotroph. C) Autotroph. D) Decoposer. Show Answer Correct Answer: C) Autotroph. 27. Volcano erupting would be an example of what type of succession? A) Primary. B) Secondary. C) Tertiary. D) None of above. Show Answer Correct Answer: A) Primary. 28. Put the levels of organization in order from smallest to largest: A) Population, organism, ecosystem, biosphere, community. B) Ecosystem, population, organism, community, biosphere. C) Organism, population, ecosystem, biosphere, community. D) Organism, population, community, ecosystem, biosphere. Show Answer Correct Answer: D) Organism, population, community, ecosystem, biosphere. 29. Animals sometimes eat the same food source. A lion and a hyena may ..... over food. A) Text. B) Increase. C) Compete. D) None of above. Show Answer Correct Answer: C) Compete. 30. Although phosphorus is of great biological importance, it is not very common in the biosphere. Why is this? A) Phosphorus doesn't enter the atmosphere. B) Phosphorus doesn't cycle through food webs. C) Phosphorus have been depleted by biological organism. D) Phosphorus evaporates easily and is quickly destroyed by sunlight. Show Answer Correct Answer: B) Phosphorus doesn't cycle through food webs. 31. The next are branches of ecology, except: A) Space ecology. B) Pollution ecology. C) Physics. D) Community ecology. Show Answer Correct Answer: C) Physics. 32. Whats a example of parasitism? A) A infected tick biting a human. B) A bird eating bugs off of a zebra. C) A hawk building its nest on a cactus. D) All the above. Show Answer Correct Answer: A) A infected tick biting a human. 33. Why might a population in a food web decrease? A) Too much food. B) Less predators. C) More predators. D) None of above. Show Answer Correct Answer: C) More predators. 34. Which of the following is NOT an example of a predator with its prey? A) A fox and a rabbit. B) A bear and a fish. C) A honeybee and flower. D) A spider and a fly. Show Answer Correct Answer: C) A honeybee and flower. 35. Where do ARROWS in a Food Web point? A) To the animal that will be consumed and who is giving the energy. B) To the animal that will consume and receive energy. C) To the animal that will be consumed and receive energy. D) To the producer. Show Answer Correct Answer: B) To the animal that will consume and receive energy. 36. All the populations that live together in an area make up a A) Population. B) Community. C) Species. D) Ecosystem. Show Answer Correct Answer: B) Community. 37. Consumers that eat producers are A) Tertiary consumers. B) Primary consumers. C) Producers. D) Autotrophs. Show Answer Correct Answer: B) Primary consumers. 38. Which of the following biomes has the greatest biomass (weight of everything in it) A) Open oceans. B) Taiga. C) Tundra. D) Extreme deserts. Show Answer Correct Answer: A) Open oceans. 39. Which type of cell has no nucleus? A) Plant. B) Animal. C) Prokaryotes. D) Eukaryote. Show Answer Correct Answer: C) Prokaryotes. 40. Who is the Indian father of ecology? A) Ramdeo Misra. B) Jagadish Chandra Bose. C) Eugene Odum. D) Charles Darwin. Show Answer Correct Answer: A) Ramdeo Misra. 41. What kind of soil is found in the desert? A) Humus. B) Sand. C) Dirt. D) Flowers. Show Answer Correct Answer: B) Sand. 42. How much energy moves from one level to another in the energy pyramid? A) 80%. B) 10%. C) 50%. D) 90%. Show Answer Correct Answer: B) 10%. 43. Which of these is good for nature? A) To clean up the garbage (on the street). B) To throw out garbage (on the street). Show Answer Correct Answer: A) To clean up the garbage (on the street). 44. Like other consumers, all of the food energy that humans use once came from the ..... A) Sun. B) Soil. C) Ocean. D) Moon. Show Answer Correct Answer: A) Sun. 45. All of the following are renewable energy options except A) Wind power. B) Gas. C) Solar power. D) Geothermal. Show Answer Correct Answer: B) Gas. 46. Why is biodiversity important? A) It removes mercury and other pollutants. B) It stops acid rain. C) It creates more fossil fuels. D) Biodiversity helps an ecosystem survive impacts such as natural disasters or human impact. Show Answer Correct Answer: D) Biodiversity helps an ecosystem survive impacts such as natural disasters or human impact. 47. These organisms are often not shown in a food chain, but are important for recycling nutrients A) Decomposers. B) Producers. C) Primary consumers. D) Carnivores. Show Answer Correct Answer: A) Decomposers. 48. Environmental emergency A) Environmental pollution. B) Flood. C) Environmental protection. D) Environmental emergency. Show Answer Correct Answer: D) Environmental emergency. 49. Which of the following is not a biotic factor that limits other organisms in its environment? A) Competition. B) Predator-prey relationships. C) Disease. D) Temperature. Show Answer Correct Answer: D) Temperature. 50. Boa constrictors constricting their food is an example of A) Predator adaptations. B) Prey adaptations. Show Answer Correct Answer: A) Predator adaptations. 51. Largest number of individuals for a species that an ecosystem can support A) Biotic Potential. B) Carrying Capacity. Show Answer Correct Answer: B) Carrying Capacity. 52. ENVIRONMENT is defined as: A) The group of elements that interact in a specific place and time. B) The group of elements that exist among humans. C) The group of elements that interact among animals. D) The group of elements that interact between plants and animals. Show Answer Correct Answer: A) The group of elements that interact in a specific place and time. 53. An autotroph feeds on other organisms? A) True. B) False. Show Answer Correct Answer: B) False. 54. What type of symbiosis? *Gall Insects lays their eggs in the leaves or branches of Oak trees causing a lump to form. *Oak trees provide shelter and food to the insect larvae, but are not harmed. A) Predation. B) Mutualism. C) Parasitism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 55. Soil is an example of a A) Abiotic factor. B) Herbivorous. C) Biotic factor. D) Competition. Show Answer Correct Answer: A) Abiotic factor. 56. Primary Succession A) Development of a population that was previously uninhabited. B) Development of a community that was previously inhabited. C) Development of a community that was previously uninhabited. D) Development of a population that was previously inhabited. Show Answer Correct Answer: C) Development of a community that was previously uninhabited. 57. In a food web the arrow always points to A) The consumer. B) The prey. C) Autotroph. D) Producer. Show Answer Correct Answer: A) The consumer. 58. Which explains why secondary succession generally occurs more quickly than primary succession? A) Average precipitation is higher. B) Moderate climate conditions exist. C) Pioneer species are microscopic. D) There is still soil present. Show Answer Correct Answer: D) There is still soil present. 59. Approximately how much energy is lost at each trophic level A) 5%. B) 10%. C) 1%. D) None of above. Show Answer Correct Answer: B) 10%. 60. Scavengers include vultures and raccoons. A) True. B) False. Show Answer Correct Answer: A) True. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books