This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 15 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an example of a secondary consumer? A) Deer eating grass. B) A vulture eating a coyote. C) Lion eating a cheetah. D) Lion eating a zebra. Show Answer Correct Answer: D) Lion eating a zebra. 2. Which of the following is a current environmental issue? A) Poaching. B) Oil Spills. C) Great Pacific Garbage Patch. D) All of the above. Show Answer Correct Answer: D) All of the above. 3. Living factors in an environment are ..... A) Abiotic. B) Biotic. Show Answer Correct Answer: B) Biotic. 4. Large geographic areas with similar climates and ecosystems A) Biosphere. B) Community. C) Population. D) Biomes. Show Answer Correct Answer: D) Biomes. 5. The many overlapping food chains in an ecosystem make up a(n) A) Feeding level. B) Food web. C) Food chain. D) Energy pyramid. Show Answer Correct Answer: B) Food web. 6. Which phrase best describes the focus of ecology? A) Individual cells. B) Interactions among organisms. C) Interactions among cells. D) Individual organisms. Show Answer Correct Answer: B) Interactions among organisms. 7. ..... happens when fertilizers, animal waste, sewage or other substances rich in nitrogen and phosphorus are lost into waterways causing excessive algae growth. A) Introduced species. B) Eutrophication. C) Nonrenewable Resource. D) Biological Augmentation. Show Answer Correct Answer: B) Eutrophication. 8. What type of symbiosis occurs when one organism benefits and the other is harmed. Ex) a tick attaching to a dog has a food source but the dog can become sick. A) Parasitism. B) Commensalism. C) Mutualism. D) Predation. Show Answer Correct Answer: A) Parasitism. 9. Which is an example of an autotroph? A) Human. B) Rocks. C) Bass. D) Algae. Show Answer Correct Answer: D) Algae. 10. What type of symbiosis? *Mycorrhizal fungi invade and live in or among roots cells of many plants. The plant provides nutrients to the fungi. *The Mycorrhizal fungi help the host plant absorb inorganic nitrogen and phosphorus from the soil. Some mycorrhizal fungi also secrete antibiotics which may help protect their host from invasion by parasitic fungi and bacteria. A) Parasitism. B) Mutualism. C) Commensalism. D) Predation. Show Answer Correct Answer: B) Mutualism. 11. Which is the opposite of condensation? A) Precipitation. B) Transpiration. C) Runoff. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 12. Competition between members of the same species A) Interspecific. B) Aspecific. C) Conterspecific. D) Intraspecific. Show Answer Correct Answer: D) Intraspecific. 13. Which land biomes are the DRIEST? A) 1. Arctic Tundra 2. Alpine Tundra 3. Taiga/Coniferous Forest. B) 1. Desert 2. Savana 3. Prairie/Temperate Grassland. C) 1. Tropical Rainforest 2. Temperate Deciduous Forest. D) 1. Rivers and Streams 2. Lakes and Ponds 3. Wetlands (marshes, swamps and bogs). Show Answer Correct Answer: B) 1. Desert 2. Savana 3. Prairie/Temperate Grassland. 14. I ..... a bike to school. A) Walk. B) Go. C) Ride. D) Drive. Show Answer Correct Answer: C) Ride. 15. Which of these is a relationship between organisms A) A bee uses pollen from a flower, the flower is pollinated. B) A wolf makes a den in the ground. C) Zebra drink from a lake. D) A framer plows the land. Show Answer Correct Answer: A) A bee uses pollen from a flower, the flower is pollinated. 16. The process of ..... involves the decomposition of proteins of dead plants and animals A) Carbonization. B) Nitrification. C) Respiration. D) Precipitation. Show Answer Correct Answer: B) Nitrification. 17. Organisms require nitrogen to make which of the following? A) Glucose and starch. B) Lipids and nucleic acids. C) Proteins and nucleic acids. D) Carbohydrates and proteins. Show Answer Correct Answer: C) Proteins and nucleic acids. 18. A gazelle eats a shrub-is the gazelle a producer or a consumer? A) Consumer. B) Producer. Show Answer Correct Answer: B) Producer. 19. ..... refers to the living environment which includes organisms. A) Population. B) Abiotic. C) Biotic. D) Habitat. Show Answer Correct Answer: C) Biotic. 20. Climate determines plant growth. A) True. B) False. Show Answer Correct Answer: A) True. 21. This biome has a lot of rainfall, tall trees which form the canopy and brightly colored animals A) Taiga. B) Tundra. C) Desert. D) Tropical rainforest. Show Answer Correct Answer: D) Tropical rainforest. 22. A global cycle that takes place on, above, and below the Earth's surface A) Evaporation. B) Water cycle. Show Answer Correct Answer: B) Water cycle. 23. Abiotic factors are things such as water, air, and rocks A) True. B) False. Show Answer Correct Answer: A) True. 24. A species whose influence on its community is much larger that its relative biomass is termed a ..... A) Trophic kingdom. B) Primary producer. C) Keystone species. D) Carnivore. Show Answer Correct Answer: C) Keystone species. 25. Which of the following ecological terms refers to only one species? A) Producer. B) Community. C) Population. D) Food chain. Show Answer Correct Answer: C) Population. 26. Which of the following have been changed or altered due to climate change? A) Droughts. B) Flooding. C) Melting of polar ice caps. D) All of the above. Show Answer Correct Answer: D) All of the above. 27. The Earth's atmosphere is made up of about ..... % nitrogen. A) 58. B) 21. C) 78. D) 64. Show Answer Correct Answer: C) 78. 28. Which of the following is an example of flora? A) Tulips. B) Mice. C) Cows. D) Insects. Show Answer Correct Answer: A) Tulips. 29. Which of pair of organisms are examples of parasitic relationships? A) Birds on a water buffalo. B) Tick on a dog. C) Insects living on a dead tree. D) None of above. Show Answer Correct Answer: B) Tick on a dog. 30. One organism benefits and the other is unharmed A) Commensalism. B) Mutualism. C) Photosynthesis. D) Parasitism. Show Answer Correct Answer: A) Commensalism. 31. Which is NOT a producer A) Zebra. B) Lily pad. C) Tree. D) None of above. Show Answer Correct Answer: A) Zebra. 32. The common ecosystems in Panama are A) Tropical islands. B) Tropical dry forests. C) Both. D) None of above. Show Answer Correct Answer: C) Both. 33. The organism that does the hunting and eating in predation is called the: A) Predator. B) Host. C) Parasite. D) Prey. Show Answer Correct Answer: A) Predator. 34. A relationship between two living beings that both benefit from each other and cannot be separated. Which of the following means A) Parasitic condition. B) Dependency. C) Supportive situation. D) Decomposition. Show Answer Correct Answer: B) Dependency. 35. A rabbit eats grass, a snake eats the rabbit, a fox eats the snake, a coyote eats the fox ..... the fox is a ..... consumer A) Primary. B) Tertiary. C) Quaternary. D) None of above. Show Answer Correct Answer: B) Tertiary. 36. This is a special kind of water biome where salt water and freshwater meet. A) Stream. B) Marine. C) Pond. D) Estuary. Show Answer Correct Answer: D) Estuary. 37. What does biotic mean? A) Living. B) Non living. C) Man made. D) None of above. Show Answer Correct Answer: A) Living. 38. The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called ..... A) Natural resource. B) Biomagnification. C) Overexploitation. D) Edge effects. Show Answer Correct Answer: C) Overexploitation. 39. A SERIES of organisms, each of which sequentially extracts materials and energy from the original food substance, are called: A) Circulation of substances. B) Power circuit. C) Power supply. D) Migration. Show Answer Correct Answer: B) Power circuit. 40. Who obtains more energy? A) Secondary consumer. B) Decoposer. C) Top level consumer. D) Producer. Show Answer Correct Answer: D) Producer. 41. ..... appears in big cities when there is no wind. A) Batman. B) Smog. C) Yeti. D) Acid rain. Show Answer Correct Answer: B) Smog. 42. What kind of organism makes its own food? A) Decoposer. B) Consumer. C) Producer. D) None of above. Show Answer Correct Answer: C) Producer. 43. Photosysnthesis and respiration are important because A) They make mutualism possible. B) They are the building blocks of life. C) They are the 6 characteristics of life. D) They cycle matter and energy between autotrophs and heterotrophs. Show Answer Correct Answer: D) They cycle matter and energy between autotrophs and heterotrophs. 44. All populations living in an area A) Community. B) Population. C) Niche. D) None of above. Show Answer Correct Answer: A) Community. 45. Which trophic level has the greatest biomass? A) Producers. B) Consumers. Show Answer Correct Answer: A) Producers. 46. Which of these is the ultimate source of energy in the energy pyramid A) Water. B) Air. C) Sunlight. D) Soil. Show Answer Correct Answer: C) Sunlight. 47. Birds live in the decidious forest. A) Habitat. B) Niche. Show Answer Correct Answer: A) Habitat. 48. ..... factors in an ecosystem include plants, animals, and other organisms. A) Biotic. B) Abiotic. C) Biome. D) None of above. Show Answer Correct Answer: A) Biotic. 49. The maximum number of organisms that an ecosystem can support with its resources A) Carrying capacity. B) Habitat. C) Niche. D) Population. Show Answer Correct Answer: A) Carrying capacity. 50. Which of the following can be control group? A) Individuals who spent 4 hours of watch TV. B) Individuals who were not exposed to TV. C) Individuals who spend 16 hours of screen time. D) None. Show Answer Correct Answer: B) Individuals who were not exposed to TV. 51. Area that contains both abiotic and biotic factors A) Ecosystem. B) Biome. C) Community. D) Population. Show Answer Correct Answer: A) Ecosystem. 52. When two organisms get energy from the same source, there is ..... A) Competition. B) An adaptation. C) Peace. D) More sunlight. Show Answer Correct Answer: A) Competition. 53. Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil? A) Taiga. B) Tundra. C) Deciduous forest. D) Grassland. Show Answer Correct Answer: D) Grassland. 54. A keystone species has ..... A) Big impact on ecosystem, big population. B) Small impact on ecosystem, small population. C) Big impact on ecosystem, small population. D) None of these. Show Answer Correct Answer: C) Big impact on ecosystem, small population. 55. Fresh water referrers to which of the following A) Oceans, rivers, lakes. B) Streams, lakes, oceans. C) Ponds, rivers, oceans. D) Lakes, ponds, streams. Show Answer Correct Answer: D) Lakes, ponds, streams. 56. What is the indirect source of most of our energy? A) The sun. B) Oil. C) Natural gas. D) Coal. Show Answer Correct Answer: A) The sun. 57. Biomes with densely packed trees sometimes form a continuous green "roof" layer called a: A) Canopy. B) Ceiling. C) Green layer. D) Forest top. Show Answer Correct Answer: A) Canopy. 58. Two similar species living in the same niche would most likely ..... with each other for food. A) Cooperate. B) Compete. Show Answer Correct Answer: B) Compete. 59. Most organisms in an ecosystem eat only one type of organism A) False. B) True. Show Answer Correct Answer: A) False. 60. A community is ..... A) An individual. B) Every Biotic factor in an environment, but none of the abiotic. C) Every individual of the same species in an area. D) All Biotic and Abiotic factors in an environment. Show Answer Correct Answer: B) Every Biotic factor in an environment, but none of the abiotic. ← 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