This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Environmental Sciences – Quiz 73 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 73 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A species that maintains biodiversity by keeping prey populations controlled are called ..... A) Pioneer Species. B) Keystone Species. C) Invasive Species. D) Introduced Species. Show Answer Correct Answer: B) Keystone Species. 2. These are natural differences within a species. A) Biological diversity. B) Evolution. C) Genetic variation. D) Populations. Show Answer Correct Answer: C) Genetic variation. 3. Cacti are the main plant associated with this biome A) Desert. B) Tundra. C) Taiga. D) Grasslands. Show Answer Correct Answer: A) Desert. 4. Magma erupts out of Earth as: A) Magma. B) Water. C) Lava. D) Plasma. Show Answer Correct Answer: C) Lava. 5. The process by which one population evolves into two or more different species A) Species. B) Paleontologist. C) Descendant species. D) Speciation. Show Answer Correct Answer: D) Speciation. 6. How do CFCs affect ozone production? A) Infrared radiation frees a chlorine atom, which breaks down ozone. B) Infrared radiation frees a chlorine atom, which breaks down ozone. C) UV radiation frees a fluorine atom, which breaks down ozone. D) UV radiation frees a chlorine atom, which breaks down ozone. Show Answer Correct Answer: D) UV radiation frees a chlorine atom, which breaks down ozone. 7. Conifers have needles and enclose their seeds in A) Cones. B) Pods. C) Sacks. D) None of above. Show Answer Correct Answer: A) Cones. 8. Substances that have only one kind of atom are called: A) Electrons. B) Elements. C) Nucleus tagsProperties of Matter. D) Nitrogen. Show Answer Correct Answer: B) Elements. 9. Select the ethical perspective that best fits the following description:Development is opposed if it destroys life. A) Anthropocentrism. B) Biocentrism. C) Ecocentrism. D) None of above. Show Answer Correct Answer: B) Biocentrism. 10. Nitrogen monoxide pollution is reduced by which mechanism below? A) The rear winds on an airplane. B) The transmission in automobiles. C) The muffler in automobiles. D) Catalytic converter in automobiles. Show Answer Correct Answer: D) Catalytic converter in automobiles. 11. What does it mean to be a visual learner? A) You learn by moving. B) You learn by hearing. C) You learn by sleeping. D) You learn by seeing. Show Answer Correct Answer: D) You learn by seeing. 12. Benefits that people obtain through their experiences with the ecosystem. A) Provisioning services. B) Regulating services. C) Cultural services. D) Supporting services. Show Answer Correct Answer: C) Cultural services. 13. What is the term for an organism that makes it's own food (an autotroph)? A) Consumer. B) Herbivore. C) Producer. D) None of above. Show Answer Correct Answer: C) Producer. 14. Which of the following relationships demonstrates a prey-predator relationship in the tropical savanna? A) Raccoon and Wolf. B) Cheetah and Lion. C) Gazelle and Cheetah. D) Timur and Gazelle. Show Answer Correct Answer: C) Gazelle and Cheetah. 15. As a result of global warming, some plant species in the mountains of California have A) Become extinct. B) Shifted their locations higher into the mountains. C) Developed shorter root systems. D) Increased the amount of area they cover. Show Answer Correct Answer: B) Shifted their locations higher into the mountains. 16. All the individuals of a species living within a specific area are collectively called ..... A) Population. B) Community. C) Ecosystem. D) Forest. Show Answer Correct Answer: A) Population. 17. Which statement is incorrect about Sustainable Development Goals? A) It is a non-binding document formed as outcome of Rio+20 conference. B) There are 17 goals with 169 Targets and 304 indicators. C) It is successor of Millennium development goals. D) SDG implementation in India is ensured by MoEFCC. Show Answer Correct Answer: D) SDG implementation in India is ensured by MoEFCC. 18. A beach is closed down due to pollution. How does this effect the community? A) Decline in available land for parking. B) Economic decline. C) Environmental decline. D) Economic and Environmental decline. Show Answer Correct Answer: D) Economic and Environmental decline. 19. Which of the following is a Nitrite? A) Nah. B) Na. C) Storm. D) Type. Show Answer Correct Answer: C) Storm. 20. Can observe living cells A) Light microscope. B) Electron microscope. Show Answer Correct Answer: A) Light microscope. 21. Which side represents the light dependent reactions? A) Right. B) Left. C) Both. D) None of above. Show Answer Correct Answer: B) Left. 22. ..... is a biodegradable material that becomes a pollutant if allowed to accumulate more rapidly than it can decompose. A) Metal from junk cars. B) Newspaper. C) Plastic. D) Mercury. Show Answer Correct Answer: B) Newspaper. 23. Phosphorus is found in all of the following except A) Soil and rocks. B) Fertilizer and matches. C) The air. D) Human cells. Show Answer Correct Answer: C) The air. 24. Which level of an energy pyramid is most likely to have the highest number of organisms? A) Producers. B) Primary consumers. C) Tertiary consumers. D) Secondary consumers. Show Answer Correct Answer: A) Producers. 25. Which environmental decision-making model is in the correct order? A) Gather information. Consider values. Explore consequences. Make a decision. B) Make a decision. Gather information. Consider values. Explore consequences. C) Explore consequences. Make a decision. Gather information. Consider values. D) Consider values. Explore consequences. Make a decision. Gather information. Show Answer Correct Answer: A) Gather information. Consider values. Explore consequences. Make a decision. 26. Which atmosphere layer contains the Ozone Layer? A) Troposphere. B) Mesosphere. C) Exosphere. D) Stratosphere. Show Answer Correct Answer: D) Stratosphere. 27. All living and nonliving things in nature A) Natural environment. B) Built environment. C) Biodiversity. D) Sustainable society. Show Answer Correct Answer: A) Natural environment. 28. What process converts nitrogen gas into a biologically useful (fixed) form? A) Assimilation. B) Nitrogen fixation. C) Denitrification. D) Respiration. Show Answer Correct Answer: B) Nitrogen fixation. 29. Moving up the energy pyramid, if 7000 kcal are available at the bottom, how much energy is available at the next level up? A) 70 kcal. B) 7000 kcal. C) 700 kcal. D) 7 kcal. Show Answer Correct Answer: C) 700 kcal. 30. The way a species make its living A) Natural selection. B) Adaptation. C) Niche. D) None of above. Show Answer Correct Answer: C) Niche. 31. People who live in deserts are called A) Tent. B) Flat. C) Pucca house. D) Bungalows. Show Answer Correct Answer: A) Tent. 32. Adaptations of desert animals that help them survive in the hot, dry desert often include A) Thin skin that readily absorbs water. B) Searching for water at middaay. C) Large, bulky size to retain body heat on cold nights. D) Searching for food at night. Show Answer Correct Answer: D) Searching for food at night. 33. Environment is derived from French word Environner. A) True. B) False. Show Answer Correct Answer: A) True. 34. Bhopal gas tragedy occurs in which year? A) 1983. B) 1985. C) 1984. D) 1982. Show Answer Correct Answer: C) 1984. 35. A forest ecosystem can support a limited number of bears. This is because A) Limited resources and food availability. B) Excessive resources and food availability. C) Lack of predators. D) Overpopulation of bears. Show Answer Correct Answer: A) Limited resources and food availability. 36. Nuclear energy uses ..... to turn turbines to power a generator. A) Wind. B) Steam. C) Solar. D) Water. Show Answer Correct Answer: B) Steam. 37. Which of the following is not a greenhouse effect? A) Carbon dioxide. B) Methane. C) Ozone. D) Nitrogen. Show Answer Correct Answer: D) Nitrogen. 38. The final steps of the experimental method in their usual order are A) Observe-hypothesize-draw conclusions. B) Draw conclusions-analyze data-repeat experiment. C) Draw conclusions-repeat experiment-communicate results. D) Repeat experiment-communicate results-draw conclusions. Show Answer Correct Answer: C) Draw conclusions-repeat experiment-communicate results. 39. The lithosphere/geosphere refers to which of the following? A) All of the rock on the Earth. B) All of the rocks in the Earth. C) All of the rocks around the Earth. D) All of these are correct. Show Answer Correct Answer: D) All of these are correct. 40. Gives value to all living things equally. A) Anthropocentrism. B) Ecocentrism. C) Biocentrism. D) None of above. Show Answer Correct Answer: C) Biocentrism. 41. Environmental science encompasses many different fields of study it is said to be ..... science A) Human. B) Social. C) Interdisciplinary. D) Ecological. Show Answer Correct Answer: C) Interdisciplinary. 42. Which of the following are examples of natural sources of air pollution? A) Volcanoes. B) Fires. C) Cows. D) All of these are examples of natural sources of air pollution. Show Answer Correct Answer: D) All of these are examples of natural sources of air pollution. 43. Which of the following is a atmospheric nitrogen? A) Nah. B) Na. C) Storm. D) Type. Show Answer Correct Answer: B) Na. 44. Topographic maps represent ..... A) Elevation above sea level. B) Elevation below sea level. C) All of the above. D) None of the above. Show Answer Correct Answer: A) Elevation above sea level. 45. If ..... is high, then a species has many individuals with many traits, and can better survive environmental stress. A) Biodiversity. B) Habitat diversity. C) Species diversity. D) Genetic diversity. Show Answer Correct Answer: D) Genetic diversity. 46. Which Biomes is the most divrese? A) Wetlands. B) Tropical Rain Forests. C) Coral reefs. D) Grasslands. E) Marshes. Show Answer Correct Answer: C) Coral reefs. 47. Autumnal Equinox is A) Nov 21. B) Sep 21. C) Oct 21. D) Oct 31. Show Answer Correct Answer: B) Sep 21. 48. What do you call the process of food making in plants? A) Phytosynthesis. B) Photosynthesis. C) Electrolysis. D) Thermosynthesis. Show Answer Correct Answer: B) Photosynthesis. 49. What is it called when a scientist can determine the exact place that is the source of a pollutant? A) Point source pollution. B) Less hazardous pollution. C) Non-point source pollution. D) Widespread pollution. Show Answer Correct Answer: A) Point source pollution. 50. Which of the following is NOT a major PRIMARY POLLUTANT? A) Ozone. B) VOCs. C) Lead. D) Carbon Monoxide. Show Answer Correct Answer: A) Ozone. 51. Jays and squirrels eat bark in the winter months. A) True. B) False. Show Answer Correct Answer: B) False. 52. The depletion in the Ozone layer is caused by: A) Methane. B) Chlorofluorocarbon. C) Nitrous oxide. D) Carbon dioxide. Show Answer Correct Answer: B) Chlorofluorocarbon. 53. When you throw out your garbage, it may go to a transfer station. Materials like garbage that are not recycled are put where? A) Ocean. B) Outer space. C) Landfill. D) Desert. Show Answer Correct Answer: C) Landfill. 54. Living things that eat other living things are called ..... A) Carnivores. B) Omnivores. C) Consumers. D) Animals. Show Answer Correct Answer: C) Consumers. 55. The cleansing of the water by the environment is called ..... A) Self-Cleaning. B) Absorption. C) Percolation. D) Leaching. Show Answer Correct Answer: A) Self-Cleaning. 56. What is the term for a type of waste that can be broken down by natural processes? A) Biodegradable waste. B) Organic waste. C) Compostable waste. D) All of the above. Show Answer Correct Answer: D) All of the above. 57. An endemic species is A) Exotic and found everywhere. B) Exotic and found only in certain regions. C) Native and found only in a limited area. D) Native and found everywhere. Show Answer Correct Answer: C) Native and found only in a limited area. 58. Which of the following refers to the process of an environment constantly changing? A) Energy cycle. B) Energy succession. C) Ecological cycle. D) Ecological succession. Show Answer Correct Answer: D) Ecological succession. 59. ..... is a political and social movement. A) Environmentalism. B) Environmental science. C) Ecology. D) None of above. Show Answer Correct Answer: A) Environmentalism. 60. Who wrote the book, Silent Spring, which acted as the catalyst of the modern environmental movement and led to the banning of DDT? A) Paul Ehrlich. B) Rachel Carson. C) Richard Dawkins. D) Stephen Hawking. E) Dennis Meadow. Show Answer Correct Answer: B) Rachel Carson. ← 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