This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 50 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A species' role in its ecosystem is called its A) Habitat. B) Niche. C) Biomass. D) Trophic level. Show Answer Correct Answer: B) Niche. 2. Biomass refers to A) Light Energy. B) Amount of living tissue at the tropic level. C) Rank in the feeding heirarchy. D) Chemical Energy. Show Answer Correct Answer: B) Amount of living tissue at the tropic level. 3. The reason that organisms can not produce populations of unlimited size is that A) Species rarely compete with one another. B) Interactions between organisms are unchanging. C) There is no carrying capacity on Earth. D) The resources of Earth are finite. Show Answer Correct Answer: D) The resources of Earth are finite. 4. How can people reduce the amount of natural resources they use? A) Make more landfills and garbage dumps. B) Buy products with lots of packaging. C) Use water, electricity, and gas conservatively and recycle metal, paper, and glass. D) Think only about what you need right now and don't worry about the future. Show Answer Correct Answer: C) Use water, electricity, and gas conservatively and recycle metal, paper, and glass. 5. What is an example of an autotroph A) Gorillas. B) Dogs. C) Trees. D) Wolves. Show Answer Correct Answer: C) Trees. 6. What is the next trophic level that feeds on the primary consumers called? A) Secondary consumers. B) Primary producers. C) Secondary producers. D) None. Show Answer Correct Answer: A) Secondary consumers. 7. Intraspecific competition is when ..... A) 2 different species complete for resources. B) 2 of the same species complete for resources. C) Both species benefit in the relationship. D) None of the above are correct. Show Answer Correct Answer: B) 2 of the same species complete for resources. 8. ..... behaviors result from an interaction between innate behaviors & past experiences. A) Hunting. B) Genetic. C) Learned. D) Innate. Show Answer Correct Answer: C) Learned. 9. All animals are..... A) Consumers. B) Omnivores. C) Producers. D) Carnivores. Show Answer Correct Answer: A) Consumers. 10. What is a quadrat A) A type of bike. B) A sampling tool typically of one square metre, used to sample plants. C) A sampling tool typically of one square metre, used to sample animals. D) A type of hat. Show Answer Correct Answer: B) A sampling tool typically of one square metre, used to sample plants. 11. What branch of ecology studies population? A) Autecology. B) Geology. C) Synecology. D) Demecology. E) Nooecology. Show Answer Correct Answer: D) Demecology. 12. Which terms best describe autotrophs? A) Plants; consumers. B) Animals; consumers. C) Plants; producers. D) Animals; producers. Show Answer Correct Answer: C) Plants; producers. 13. What type of consumer eats meat? A) Carnivore. B) Omnivore. C) Decoposer. D) Herbivore. Show Answer Correct Answer: A) Carnivore. 14. Nonnative species are known as A) Invasive. B) Endangered. C) Endemic. D) None of above. Show Answer Correct Answer: A) Invasive. 15. The lion is a carnivore. A) Habitat. B) Niche. Show Answer Correct Answer: B) Niche. 16. Omnivores eat this A) Meat. B) Plants. C) Meat and plants. D) None of above. Show Answer Correct Answer: C) Meat and plants. 17. What are the factors that limit populations? A) Health factors. B) Biological factors. C) Chicken. D) Limiting factors. Show Answer Correct Answer: D) Limiting factors. 18. What does macrohabitat mean? A) Small part of a particular habitat. B) Large-scale of environment. Show Answer Correct Answer: B) Large-scale of environment. 19. This level of ecology looks at species interacting with each other A) Organismal. B) Population. C) Community. D) Landscape. Show Answer Correct Answer: C) Community. 20. I want to sleep. I am..... A) Tired. B) Thirsty. C) Hungry. D) Happy. Show Answer Correct Answer: A) Tired. 21. After walking through a field, you find a tick attached to your leg. What is the tick's relationship to you? A) Predator. B) Prey. C) Producer. D) Decoposer. Show Answer Correct Answer: A) Predator. 22. In a food chain or food web, the arrows represent: A) An increase in population. B) The evolution of organisms. C) The decomposition of organisms. D) The flow of energy. Show Answer Correct Answer: D) The flow of energy. 23. What process occurs when light energy is captured in autotrophs and converted into sugar? A) Photosynthesis. B) Cellular Respiration. Show Answer Correct Answer: A) Photosynthesis. 24. Where does cellular respiration occur in a prokaryotic cell? A) Chloroplast. B) Mitochondria. C) Cytoplasm. D) None of above. Show Answer Correct Answer: C) Cytoplasm. 25. All the non living and living parts of an environment make up the A) Relationship. B) Biotic factors. C) Ecosystem. D) Abiotic factors. Show Answer Correct Answer: C) Ecosystem. 26. A decomposer..... A) Breaks down dead plants only. B) Breaks down dead animals only. C) Breaks down dead plants and animals. D) None of above. Show Answer Correct Answer: C) Breaks down dead plants and animals. 27. Rinderpest is a? A) Cattle disease in Russia. B) Cattle disease in India. C) Cattle disease in China. D) Cattle disease in Africa. Show Answer Correct Answer: D) Cattle disease in Africa. 28. A condition that would restrict a a population's growth is a A) Limiting factor. B) Niche. C) Growth factor. D) Carrying capacity. Show Answer Correct Answer: A) Limiting factor. 29. What link in the food chain can be destroyed that can lead to harmful results for the biocenosis? A) 1st order reductants. B) Producers. C) 2nd order reductants. D) Reductants. Show Answer Correct Answer: D) Reductants. 30. Four earth systems-atmosphere, biosphere, geosphere, and hydrosphere A) The causes and effects of a specific global change are confined to one Earth system only. B) Only one Earth system causes a specific global change, but all Earth systems could be affected. C) All Earth systems may interact to cause a specific global change, but only one Earth system is affected. D) Both the causes and effects of global change may involve all Earth systems. Show Answer Correct Answer: D) Both the causes and effects of global change may involve all Earth systems. 31. Example of 1st consumer A) Cow. B) Tiger. C) Lion. D) None of above. Show Answer Correct Answer: A) Cow. 32. What is the place where an organism usually lives? A) The school. B) My backyard. C) Habitat. D) Disneyland. Show Answer Correct Answer: C) Habitat. 33. A non-native plant that causes problems to the environment that it is introduced to is called ..... A) Native. B) Lethal. C) Indigenous. D) Invasive. Show Answer Correct Answer: D) Invasive. 34. A niche refers to the place an organism lives within its ecosystem. A) False. B) True. Show Answer Correct Answer: A) False. 35. Which energy role obtains energy through eating other organisms? A) Producer. B) Consumer. C) Decoposer. D) None of above. Show Answer Correct Answer: B) Consumer. 36. The number of individuals in a population per unit area. A) Density. B) Size. C) Distribution. D) Community. Show Answer Correct Answer: A) Density. 37. The ecological role an organism performs in their specific environment is considered the organism's ..... A) Niche. B) Habitat. C) Biome. D) Population. Show Answer Correct Answer: A) Niche. 38. What is the name of the area of groundwater where it is saturated? A) Zone of Saturation. B) Zone of Aeration. C) Water Table. D) None of above. Show Answer Correct Answer: A) Zone of Saturation. 39. To save water you should ..... A) Turn your central heating down. B) Use low-energy light bulbs. C) Take a shower instead of a bath. D) Cycle or walk more often. Show Answer Correct Answer: C) Take a shower instead of a bath. 40. A bear that ate berries is a A) Tertiary consumer. B) Secondary consumer. C) Primary consumer. D) Primary producer. Show Answer Correct Answer: C) Primary consumer. 41. What type of nitrogen is usable for plants? A) Ammonia. B) Nitrites. C) Atmospheric Nitrogen gas. D) Nitrates. Show Answer Correct Answer: D) Nitrates. 42. All of the biotic and abiotic factors within a particular environment A) Population. B) Biome. C) Community. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 43. Cellular respiration releases oxygen into the atmosphere as carbon dioxide. A) False. B) True. Show Answer Correct Answer: A) False. 44. In this cycle, CO2 is released by burning fossil fuels and by cellular respiration, only to consumed by plants A) Energy cycle. B) Carbon cycle. C) Nitrogen cycle. D) Water cycle. Show Answer Correct Answer: B) Carbon cycle. 45. What are examples of herbivores? A) Rabbit, Deer, Cow. B) Birds, Dogs, Raccoons. C) Sun, Weather, Fungus. D) None of above. Show Answer Correct Answer: A) Rabbit, Deer, Cow. 46. Which of these energy roles is always located at the bottom of an energy pyramid? A) Herbivores. B) Second-Level Carnivores. C) First-Level Consumers. D) Producer. Show Answer Correct Answer: D) Producer. 47. A disease kills off a population of wolves in a forest. What will happen to the population of the wolves' prey? A) It will increase. B) It will decrease. C) It will remain steady. D) None of above. Show Answer Correct Answer: A) It will increase. 48. The ..... is the ultimate source of the energy in an ecosystem. A) Animals. B) Sun. C) Plants. D) Moon. Show Answer Correct Answer: B) Sun. 49. The movement of a single caribou into a herd is an example of A) Emigration. B) Immigration. C) Predation. D) Population. Show Answer Correct Answer: B) Immigration. 50. Organisms that relies on other organisms for food; consumer A) Heterotroph. B) Decoposer. C) Herbivore. D) Species. Show Answer Correct Answer: A) Heterotroph. 51. Resources of a fixed amount, or a resource that is used up faster than it can be replaced A) Nonrenewable resource. B) Renewable resource. Show Answer Correct Answer: A) Nonrenewable resource. 52. The ecological principles in developing ways to return degraded areas to natural conditions A) Archaeology. B) Building single family homes. C) Turtle savin. D) Restoration ecology. Show Answer Correct Answer: D) Restoration ecology. 53. Which of the following describes #2? A) An ecosystem is the interaction between biotic and biotic factors. B) A community is a group of different populations in the same area. C) An organism is one living thing. D) A population is a group of the same organisms. Show Answer Correct Answer: D) A population is a group of the same organisms. 54. Which animal would you most likely not find living in the Tundra or Boreal forest. A) Polar bear. B) Owl. C) Elk. D) Snake. Show Answer Correct Answer: D) Snake. 55. The unique ways an organism survives, obtains food and shelter, and avoids danger is known as ..... A) Niche. B) Biotic potential. C) Habitat. D) Carrying capacity. Show Answer Correct Answer: A) Niche. 56. Name the Ecosystem mentioned in the image A) Ocean. B) River. C) Wetland. D) Forest. Show Answer Correct Answer: B) River. 57. Which statement concerning an ecosystem is correct? A) It can exist with or without a constant source of energy input. B) It must contain consumers but can exist without producers. C) It involves interactions between biotic and abiotic factors. D) It can exist on land, but it cannot exist in lakes, rivers, or oceans. Show Answer Correct Answer: C) It involves interactions between biotic and abiotic factors. 58. What is at the bottom of the food chain? A) Tertiary consumers. B) Primary producers. C) Primary consumers. D) Secondary consumers. Show Answer Correct Answer: B) Primary producers. 59. If one species in a food chain dies out, what can happen to the species that depend on it? A) They may die out as well. B) They will be better off. C) They will always find new food. D) None of above. Show Answer Correct Answer: A) They may die out as well. 60. The organisms that convert solar energy and raw materials into food are: A) Decoposer. B) Producers. C) Consumers. D) Herbivores. Show Answer Correct Answer: B) Producers. ← 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