This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Environmental Sciences – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 50 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The plants, wolves, bears, otters, bison, and foxes in Yellowstone National Park are a ..... A) Community. B) Population. C) Habitat. D) Species. Show Answer Correct Answer: A) Community. 2. Geologists have classified rocks into three major groups of rocks which are: A) Inorganic, organic and chemical rocks. B) Igneous, sedimentary and metamorphic rocks. C) Metamorphic, chemical and non chemical rocks. D) Sedimentary, inorganic and igneous rocks. Show Answer Correct Answer: B) Igneous, sedimentary and metamorphic rocks. 3. A type of symbiosis in which one organism is helped, and the other is not harmed. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: B) Commensalism. 4. Bees help flowers by ..... A) By moving pollen from flower to flower to pollinate them. B) Bringing water to them. C) Making honey for them. D) Fighting other insects away. Show Answer Correct Answer: A) By moving pollen from flower to flower to pollinate them. 5. What has happened to global precipitation patterns during the last 100 years? A) There is less precipitation all around the world. B) There is more precipitation all around the world. C) Some parts of the world are seeing more precipitation than ever before while other parts are seeing less. D) Nothing happened-precipitation patterns are the same today as in the past. Show Answer Correct Answer: C) Some parts of the world are seeing more precipitation than ever before while other parts are seeing less. 6. The US gets the majority of its energy from ..... A) Uranium. B) Oil. C) Natural gas. D) Coal. Show Answer Correct Answer: B) Oil. 7. A species, often introduced by humans, that takes hold outside its native range. A) Invasive species. B) Native species. C) Endemic species. D) Keystone species. Show Answer Correct Answer: A) Invasive species. 8. ..... must take place at extremely high temperatures. A) Nuclear fusion. B) Solar energy. C) Nuclear fission. D) Photovoltaic cells. Show Answer Correct Answer: A) Nuclear fusion. 9. As demand increases, the price (or value) of the good or service A) Increases. B) Decreases. C) Stays the same. D) None of above. Show Answer Correct Answer: A) Increases. 10. The fuel used in a nuclear power plant is A) Uranium-235. B) Uranium-236. C) Uranium-237. D) None of above. Show Answer Correct Answer: A) Uranium-235. 11. In estuaries, fresh water and salt water mix, forming a(n) A) Habitat for shelfish. B) Algal bloom. C) Nutrient trap. D) Coastal boundary. Show Answer Correct Answer: C) Nutrient trap. 12. Helps determine a products worth A) Law of supply and demand. B) Cost-benefit analysis. C) Sustainability. D) Tragedy of the Commons. Show Answer Correct Answer: A) Law of supply and demand. 13. What type of graph is use to show parts of a whole? A) Data table. B) Line graph. C) Bar graph. D) Circle graph. Show Answer Correct Answer: D) Circle graph. 14. Select the correct order. A) Population, organism, ecosystem, community. B) Ecosystem, population, community, organism. C) Organism, population, community, ecosystem. D) Community, population, organism, ecosystem. Show Answer Correct Answer: C) Organism, population, community, ecosystem. 15. ..... Seeks to define what is right and what is wrong. A) Ecology. B) Educators. C) Environment. D) Ethics. Show Answer Correct Answer: D) Ethics. 16. Which one of the following is not considered a consequence of deforestation? A) Food Shortage. B) Desertification. C) Biodiversity enrichment. D) Displacement of local communities. Show Answer Correct Answer: C) Biodiversity enrichment. 17. Excessice use of fertilizer that contains nitrogen and phosphorus: A) Causes soil erosion. B) May cause algal blooms in waterways. C) Affects the carbon cycle. D) Contributes to primary succession. Show Answer Correct Answer: B) May cause algal blooms in waterways. 18. What do solar panels do? A) Capture sunlight and convert it into electricity. B) Generate wind energy. C) Reduce emissions from internal combustion engines. D) Purify water. Show Answer Correct Answer: A) Capture sunlight and convert it into electricity. 19. What is the only substance with a neutral pH of 7? A) Water. B) Orange Juice. C) Blood. D) Milk. Show Answer Correct Answer: A) Water. 20. Sustainable development occurs when social, environmental, and economic concerns are met. A) True. B) False tagsEN.ESS3.1.1. Show Answer Correct Answer: A) True. 21. What are some ways to reduce your ecological footprint? A) Making sustainable choices in transportation, energy use, food consumption, and waste management. B) Not recycling or composting. C) Using more fossil fuels. D) Eating more meat and dairy. Show Answer Correct Answer: A) Making sustainable choices in transportation, energy use, food consumption, and waste management. 22. The natural environment exploited by humans leads to ..... A) Change in habitat. B) Changes in environment. C) Change in ecosystem. D) Environmental degradation. Show Answer Correct Answer: D) Environmental degradation. 23. Which of the following is a major field of study within Environmental Science? A) Physiology. B) History. C) Chemistry. D) Anatomy. Show Answer Correct Answer: C) Chemistry. 24. What is the name of the thin layer of rock that forms Earth's outer skin? A) Crust. B) Mantle. C) Asthenosphere. D) Core. Show Answer Correct Answer: A) Crust. 25. Environmental science is a study of which types of interactions between humans and the environment? A) How humans use natural resources. B) How humans beings relate to the nonliving environment. C) How human actions alter the environment. D) All of the above. Show Answer Correct Answer: D) All of the above. 26. What always remains the same in an experiment? A) Variable. B) Dependent Variable. C) Constant. D) Control. Show Answer Correct Answer: D) Control. 27. The experimental treatment differs from the control treatment only in the ..... being studied. A) Variable. B) Data. C) Hypothesis. D) Experiment. Show Answer Correct Answer: A) Variable. 28. Someone thinks that it is important to manage forests in a way that they provide lumber for use in building and export, but also remain as good habitat for forest species and grow sustainably into the future. What is this perspective called? A) A utilitarian conservationist. B) A preservationist. C) Environmentalist. D) A biocentric conservationist. Show Answer Correct Answer: A) A utilitarian conservationist. 29. What is the greatest cause for excess carbon in the atmosphere? A) Burning of fossil fuels. B) Overgrazing of grasslands. C) Planting fewer crops. D) Severe drought. Show Answer Correct Answer: A) Burning of fossil fuels. 30. ..... is the process of rock formation that changes the mineral composition of the rock. A) Sedimentation. B) Weathering. C) Metamorphosis. D) None of above. Show Answer Correct Answer: C) Metamorphosis. 31. Natural material formed at a much slower rate than it is depleted A) Nonrenewable resource. B) Renewable resource. Show Answer Correct Answer: A) Nonrenewable resource. 32. In most organisms, the set of all of an individual's genes is divided into A) Carbohydrates. B) DNA. C) Lipids. D) Chromosomes. Show Answer Correct Answer: D) Chromosomes. 33. The uppermost level at which the water in a given area fully saturates rock or soil. A) Impermeable surface. B) Rock and mantle. C) Water table. D) Groundwater recharge. Show Answer Correct Answer: C) Water table. 34. The study of organisms and how they interact with their living and nonliving environment is called A) Biology. B) Ecology. C) Chemistry. D) Environmental science. Show Answer Correct Answer: B) Ecology. 35. Sun Path Diagram gives you A) Right Angle. B) Horizontal Shadow Angle. C) Vertical Shadow angle. D) Azimuth Angle. Show Answer Correct Answer: D) Azimuth Angle. 36. Energy in the form of heat moves throughout the water cycle. What is the original source of the energy that moves through the water cycle? A) The Sun. B) Radioactive decay. C) Atmospheric convection. D) The greenhouse effect. Show Answer Correct Answer: A) The Sun. 37. Things we take from the environment and use are called: A) Natural resources. B) Rocks. C) Pollutants. D) Energy. Show Answer Correct Answer: A) Natural resources. 38. A study was done to see if different tire treads affect the braking distance of a car. What is the dependent variable? A) Model of car. B) Road conditions. C) Braking distance. D) Tire treads. Show Answer Correct Answer: C) Braking distance. 39. The fact that useful man-made substances can cause unforeseen damage is illustrated by A) The pollution of the Gulf of Mexico from farm chemicals. B) The condition of the atmosphere's protective ozone layer. C) Plastics being mistakenly eaten by seabirds. D) All these answers are correct. Show Answer Correct Answer: D) All these answers are correct. 40. Why do higher trophic levels in most ecosystems contain fewer organisms than lower trophic levels? A) Energy available for use to the highest trophic level is small. B) Energy available for use to the lowest trophic level is small. C) Energy available for use to the highest trophic level is large. D) Energy available for use to the highest and lowest trophic levels is the same. Show Answer Correct Answer: A) Energy available for use to the highest trophic level is small. 41. Food chain always starts with ..... A) Plant life. B) Animals. C) Air. D) None of these. Show Answer Correct Answer: A) Plant life. 42. Water is one of the most important resources known to humans. A) Maybe. B) Sometimes. C) True. D) False. Show Answer Correct Answer: C) True. 43. Which of the following groups of environmental science careers are most similar? A) Hydrologist, toxicologist, environmental lawyer. B) Oceanographer, Environmental journalist. C) Environmental activist, oceanographer, ecologist. D) Environmental physician, environmental veterinarian. Show Answer Correct Answer: D) Environmental physician, environmental veterinarian. 44. The wearing away of the earth's surface by water, wind or ice A) Pollution. B) River basin. C) Ocean waves. D) Erosion. Show Answer Correct Answer: D) Erosion. 45. Why is biodiversity important to ecosystems? A) It helps populations adapt to ecological changes. B) It increases at each level of the food chain. C) It passes energy between trophic levels. D) It allows for hunting tagsSEV4. Show Answer Correct Answer: A) It helps populations adapt to ecological changes. 46. Sunlight and Wind energy are ..... resources. A) Nonrenewable. B) Renewable. C) Semirenewable. D) Unrenewable. Show Answer Correct Answer: B) Renewable. 47. Describes the area in which a certain population lives A) Geographic distribution. B) Carrying Capacity. C) Crowdedness. D) Population Density. Show Answer Correct Answer: A) Geographic distribution. 48. Which of the following is NOT affected by changes in the environment? A) The Weather. B) Your Health. C) DHD Operations. D) Your Wallet. Show Answer Correct Answer: C) DHD Operations. 49. Evidence shows that some grasses benefit from being grazed. Which of the following terms would best describe this plant-herbivore interaction? A) Mutualism. B) Parasitism. C) Competition. D) Commensalism. Show Answer Correct Answer: A) Mutualism. 50. All of the following is an example of physical change EXCEPT * A) Crushed ice. B) Spoiled milk. C) Dissolved sugar. D) Spoiled milk. Show Answer Correct Answer: B) Spoiled milk. 51. Which of the following is a true statement about surface water? A) All large cities use surface water as a water source. B) Drought conditions reduce the amount of surface water worldwide. C) Sluggish waters make natural lakes poor water sources. D) It makes up less than 1 percent of all water on Earth. Show Answer Correct Answer: D) It makes up less than 1 percent of all water on Earth. 52. The Himalayan mountains were a result of which type of collision? A) Continental > < Continental. B) Continental > < Oceanic. C) Oceanic > < Oceanic. D) None of above. Show Answer Correct Answer: A) Continental > < Continental. 53. What can REMOVE dissolved oxygen from the water? A) Cellular respiration. B) Decomposition. C) Warming waters. D) All of the above. Show Answer Correct Answer: D) All of the above. 54. What would be the best scale for this data? Days Cm 1 1.0 2 3.5 3 5.0 4 8.5 A) Count by ones to 5. B) Count by tens to 100. C) Count by ones to 10. D) Count by fives to 10. Show Answer Correct Answer: C) Count by ones to 10. 55. Repetition is when one scientist A) Repeats their own experiment several times. B) Bumps into another scientists. C) Clones a T. rex. D) Copies another scientist's experiment. Show Answer Correct Answer: A) Repeats their own experiment several times. 56. This species is often the first to suffer when the environmental conditions begins to decline A) Keystone Species. B) Indicator Species. C) Exotic Species. D) Pioneer Species. Show Answer Correct Answer: B) Indicator Species. 57. The 2 primary gases in Earth's atmosphere are ..... and ..... A) Oxygen and nitrogen. B) Oxygen and ozone. C) Nitrogen and CO2. D) CO2 and methane. Show Answer Correct Answer: A) Oxygen and nitrogen. 58. Species that are nonnative and harmful to an ecosystem A) Keystone species. B) Invasive species. C) Nonnative species. D) Indicator species. Show Answer Correct Answer: B) Invasive species. 59. What type of organisms eat other organisms for food in order to gain energy? A) Decomposers. B) Herbivores. C) Producers. D) Consumers. Show Answer Correct Answer: D) Consumers. 60. The growing more and more of plants is ..... A) Deforestation. B) Afforestation. C) Reforestation. D) None of above. Show Answer Correct Answer: B) Afforestation. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesEnvironmental Sciences Quiz 1Environmental Sciences Quiz 2Environmental Sciences Quiz 3Environmental Sciences Quiz 4Environmental Sciences Quiz 5Environmental Sciences Quiz 6Environmental Sciences Quiz 7Environmental Sciences Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books