This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Environmental Sciences – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 21 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Biodiversity is: A) The variety of organisms in a given area. B) The genetic variation within a population. C) The variety of species in a community. D) The variety of communities in an ecosystem. E) All of these. Show Answer Correct Answer: E) All of these. 2. Which organisms have the most available energy in an energy pyramid? A) Consumer. B) Scavenger. C) Producer. D) Decoposer. Show Answer Correct Answer: C) Producer. 3. Complete the following statement by selecting the correct answer:Oil, also known as ....., is a liquid fuel which is dark in colour. A) Fossil fuels. B) Methane. C) Crude oil. D) Natural gas. E) Coal. Show Answer Correct Answer: C) Crude oil. 4. A town is debating over which type of power plant to build.What should the town council do to make the best decision for the community? A) Consider the costs and benefits of each type of plant. B) Look only at the short term benefits of each type of plant. C) Always choose the cheapest. D) Find out which type of plant the mayor prefers. Show Answer Correct Answer: A) Consider the costs and benefits of each type of plant. 5. The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called A) The founder effect. B) Directional selection. C) The Hardy-Weinberg principle. D) The bottleneck effect. Show Answer Correct Answer: A) The founder effect. 6. The need for more cropland has led to the ..... of large wooded areas. A) Tilling. B) Conservation. C) Rotation farming. D) Deforestation. Show Answer Correct Answer: D) Deforestation. 7. What are the constant variables? A) What we are changing or testing. B) What we are observing or measuring. C) What we keep the same to make the experiment fair. D) None of above. Show Answer Correct Answer: C) What we keep the same to make the experiment fair. 8. "Freshwater ecosystems are some of the largest ecosystems on earth"', A) False. B) True. Show Answer Correct Answer: A) False. 9. Aquaponics is important to the future of food production because it allows a grower to produce a large quantity of food in a small space using minimal resources. A) False. B) True. Show Answer Correct Answer: B) True. 10. The process of fusion happens in a star's A) Radiative Zone. B) Convection Zone. C) Corona. D) Core. Show Answer Correct Answer: D) Core. 11. Which UNESCO World Heritage Site is known for its unique wetland ecosystem and diverse wildlife? A) Okavango Delta. B) Machu Picchu Pell. C) Angkor Wat. D) The Great Smoky Mountains. Show Answer Correct Answer: A) Okavango Delta. 12. The following are advantages of which type of energy? Ideal for mobile combustion engines Quick ignition/ turn-off capability Cleaner-burning than coal A) Petroleum. B) Natural Gas. C) Coal. D) Nuclear Energy. Show Answer Correct Answer: A) Petroleum. 13. Jay has 3 green marbles, 4 red skittles, and 5 twix. What is the species richness? A) 3. B) 0.50. C) 1.5. D) 12. Show Answer Correct Answer: A) 3. 14. A large area of cropland seeded with one crop is a(n) A) Organic practice. B) Monoculture. C) Polyculture. D) Traditional farming technique. Show Answer Correct Answer: B) Monoculture. 15. These are lakes in mountain regions with clear water and few nutrients. A) Marine. B) Oligotrophic. C) Estuarine. D) Eutrophic. Show Answer Correct Answer: B) Oligotrophic. 16. Most of earth's water is A) Salt water. B) Freshwater. Show Answer Correct Answer: A) Salt water. 17. A mineral that breaks cleanly over a smooth plane is considered ..... A) Breakage. B) Point. C) Cleavage. D) Fracture. Show Answer Correct Answer: C) Cleavage. 18. Which of the following is not a part of the peer review process? A) Peers analyzing the possible ethical impacts of the conclusions. B) Peers checking for possible inaccurate conclusions. C) Peers checking the experimental procedures for flaws. D) Sharing conclusions with peers. Show Answer Correct Answer: A) Peers analyzing the possible ethical impacts of the conclusions. 19. Which of the following are 3 types of living things? A) Consumers, decomposers, and dirt. B) Consumers, producers, and decomposers. C) Water, sunlight, soil. D) Sunlight, plants, animals. Show Answer Correct Answer: B) Consumers, producers, and decomposers. 20. To survive hunter-gatherers changed their environment by A) Burning the prairies to prevent trees from growing. B) Spreading plants to areas beyond where they originally grow. C) Neither of these. D) Both of these. Show Answer Correct Answer: D) Both of these. 21. A warm period occurring from AD 900 to AD 1100 A) Viking Warming. B) Warm front of the 1st century. C) Medieval Climate Optimum. D) Medieval global warming. Show Answer Correct Answer: C) Medieval Climate Optimum. 22. The actions of government, producer or consumers will always have effects that are unintended or unanticipated. A) Endangered species act. B) Newton's law. C) Law of unintended consequences. D) Resource conservation and recovery act. Show Answer Correct Answer: C) Law of unintended consequences. 23. What do the leaves of a plant do? A) They transport water to the other parts of the plants. B) They take in the water from the ground. C) They make the food for the plant. D) They support the plant upright. Show Answer Correct Answer: C) They make the food for the plant. 24. Observation or inference? The folder is sitting on the desk because someone didn't want it. A) Observation. B) Inference. Show Answer Correct Answer: B) Inference. 25. Information gathered during an experiment A) Data. B) Risk. C) Statistics. D) Value. E) Experiment. Show Answer Correct Answer: A) Data. 26. A major difference between environmental science and ecology is the study of the A) Use of natural resources. B) Living things interactions with the environment. C) Interaction among living things. D) Influence of humans on the environment. Show Answer Correct Answer: D) Influence of humans on the environment. 27. Which agency or department enforces the Clean Water Act? A) Environmental Protection Agency. B) Department of Interior. C) Department of Agriculture. D) National Oceanic and Atmospheric Administration. Show Answer Correct Answer: A) Environmental Protection Agency. 28. Which of these would not be included as part of the environment? A) What the soil is made of. B) The average temperature, wind, percipitation, and other factors. C) Animals and plants in the region and surrounding area. D) All of the above. Show Answer Correct Answer: D) All of the above. 29. The term used to describe the productive area of Earth needed to support the lifestyle of one person in a particular country is called ..... A) Supply and demand. B) The ecological footprint. C) The consumption crisis. D) Sustainability. Show Answer Correct Answer: B) The ecological footprint. 30. What is the chemical formula for water? A) Right. B) Rights. C) Is it?. D) H2O. Show Answer Correct Answer: D) H2O. 31. Minerals concentrated by wind and water movement into surface deposits A) Alloy. B) Compound. C) Gemstonews. D) Placier deposits. Show Answer Correct Answer: D) Placier deposits. 32. The amount of a product or service offered for sale at a give price A) Supply. B) Demand. C) Economics. D) Lobbying. Show Answer Correct Answer: A) Supply. 33. The conversion of ammonium to nitrate is called what? A) Renitrification. B) Denitrification. C) Unnitrification. D) Nitrification. Show Answer Correct Answer: D) Nitrification. 34. On what date is World Population Day celebrated every year? A) May 11. B) July 11. C) June 11th. D) August 11. Show Answer Correct Answer: B) July 11. 35. Which country is popularity known as 'Land of the wind mills'? A) The Nether lands. B) Poland. C) Norway. D) Sweden. Show Answer Correct Answer: A) The Nether lands. 36. Which of the following is an arid biome present in both high and low altitudes defined by extremely low amounts of precipitation? A) Desert. B) Tundra. C) Aquatic. D) Grassland. Show Answer Correct Answer: A) Desert. 37. Which of the following are problems associated with landfills? A) Composting of organic materials at the site. B) Production of leachate and methane. C) Surface impoundment. D) All of the above. Show Answer Correct Answer: B) Production of leachate and methane. 38. We need water to..... A) Live. B) Sleep. C) Die. D) None of above. Show Answer Correct Answer: A) Live. 39. The energy at each trophic level in food webs, chains, and energy pyramids ..... A) Decreases. B) Increases. C) Stays the same. D) None of above. Show Answer Correct Answer: A) Decreases. 40. Which tectonic boundary is it when two plates collide? A) Convergent. B) Divergent. C) Transform. D) None of above. Show Answer Correct Answer: A) Convergent. 41. Species that are crucial to the functioning of an ecosystem A) Invasive species. B) Indicator species. C) Keystone species. D) Exotic species. E) Endangered species. Show Answer Correct Answer: C) Keystone species. 42. The layer of the atmosphere that reflects radio waves is the A) Thermosphere. B) Stratosphere. C) Troposphere. D) Mesosphere. Show Answer Correct Answer: A) Thermosphere. 43. What is the term for a type of pollution that affects the natural balance of chemicals in an environment and can cause toxicity and acidification? A) Chemical pollution. B) Acidic pollution. C) Toxic pollution. D) All of the above. Show Answer Correct Answer: D) All of the above. 44. Under the Climate Change, the result of the 1997 Kyoto Summit was an international commitment to A) Reduce the amount rainforest logging. B) Increase the amount of land placed in conservation easement. C) Reduce emissions of greenhouse gases. D) None of above. Show Answer Correct Answer: C) Reduce emissions of greenhouse gases. 45. What is feedback in a system? A) A type of natural disaster. B) Any process that increases or decreases a change to a system. C) A type of animal behavior. D) A type of energy source. Show Answer Correct Answer: B) Any process that increases or decreases a change to a system. 46. Streams start out as rivers but collect into a larger volume of running water. A) True. B) False. Show Answer Correct Answer: B) False. 47. A person who studies earthquakes is called a ..... A) Geologist. B) Biologist. C) Ecologist. D) Seismologist. Show Answer Correct Answer: D) Seismologist. 48. All of the following are renewable resources EXCEPT A) Crops. B) Fresh water. C) Minerals. D) Energy from the sun. Show Answer Correct Answer: C) Minerals. 49. From your reading, what are some of an organism's basic needs? A) Food, water, and shelter. B) Food, water, shelter, space, companionship. C) Food, water, shelter, sanitation, and sleep. D) Food, water, shelter and a place to bear and raise their young. Show Answer Correct Answer: D) Food, water, shelter and a place to bear and raise their young. 50. Information known as ..... are gathered by senses A) Controls. B) Variables. C) Observations. D) Hypotheses. Show Answer Correct Answer: C) Observations. 51. Month growing season A) Deciduous. B) Rain. C) Coniferous. D) None of above. Show Answer Correct Answer: C) Coniferous. 52. The USA is considered a ..... country. A) Developed. B) Developing. Show Answer Correct Answer: A) Developed. 53. An atom that has a nucleus that will split is said to be ..... A) Fissionable. B) Discontinuous. C) Fussion. D) Combinable. Show Answer Correct Answer: A) Fissionable. 54. We get information from books and magazines. A) True. B) False. C) None of the above. D) None of above. Show Answer Correct Answer: A) True. 55. Solar cells uses ..... to produce electricity. A) Sunlight. B) Hydrogen. C) Thermal energy. D) UV rays. Show Answer Correct Answer: A) Sunlight. 56. Water vapor forms water droplets on dust particles, which form into clouds and fall as rain, sleet, snow or hail A) Evaporation. B) Convection current. C) Condensation. D) Precipitation. Show Answer Correct Answer: C) Condensation. 57. Scientist are studying a graph showing the time differences between the seismic P-waves and the seismic S-waves as they travel through Earth. Which information can they learn from the graph? A) The epicenter of an earthquake. B) The duration of an earthquake. C) The magnitude of am earthquake. D) The intensity of an earthquake. Show Answer Correct Answer: A) The epicenter of an earthquake. 58. Fuel cells produce A) Electricity. B) Gasoline. C) Fossil fuels. D) Hydrogen gas. Show Answer Correct Answer: A) Electricity. 59. The amount of matter in an object is the A) Length. B) Volume. C) Density. D) Mass. Show Answer Correct Answer: D) Mass. 60. Which of the following is an example of a climax community? A) Cacti in a desert. B) Stable grasses on a prairie. C) Tall oak trees in a forest. D) All of the Above. Show Answer Correct Answer: D) All of the Above. ← 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