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Environmental Sciences Quiz 115 (60 MCQs)

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1. The general term for any line that connects points of equal value is
2. The 1991 Canada-U.S. Air Quality Agreement is meant to
3. This group does not receive the variable in an experiment.
4. In the town of Podunk, Alabama the population at the beginning of the year was 4882. If 81 babies were born in that given year, what is the birth rate? Births/Pop = then x 1000 = Birth Rate
5. The nation's most used train systems are
6. Nature-centered philosophy that places intrinsic value on ecosystems regardless of their usefulness to humans.
7. How do you stop a Tragedy of the Commons?
8. The field of economics that recognizes the relationships between ecosystems and economic systems
9. Which process PRODUCES oxygen?
10. Excessive algae growth that forms large, floating mats
11. ..... release dust and gas into the upper atmosphere which reflects solar radiation away from Earth
12. What is the fourth step in the scientific method?
13. Which of the following cannot fix nitrogen?
14. Plastic bottles are
15. Increase in global average temperatures due to natural and anthropological activities and severe droughts and heat waves, population decline in species, rising sea levels
16. Pollutants that are not broken down by natural processes are
17. What is the rat in this food chain?
18. Spinach is a .....
19. If the half-life of a radioactive group of atoms is 100 years, then how old is the rock if there have been two half-lives?
20. What is the process that picks up and moves weathered rocks?
21. The relationship between a Canadian lynx (cat) and a snowshoe hare (rabbit) is an example of
22. Which type of crust is more dense?
23. If global temperature warmed for any reason, atmospheric water vapor would increase due to evaporation. This would increase the greenhouse effect and thereby further rise the temperature. As a result, the ice caps would melt back, making the planet less reflective so that it would warm further. This process is an example of
24. Most of the warming that has been observed over the 20th century can be attributed to
25. The use of natural gas is critical to the United States as a means of providing electricity to homes and businesses. Fracking is a method used to access natural gas trapped in rock formations. Which professional would be the expert on the best places to access natural gas?
26. In an ecosystem, snakes feed on frogs, which feed on mosquitoes. Use of a bug spray has decreased the number of mosquitoes. What will probably happen to the number of frogs and snakes?
27. What is NOT a consequence of acid precipitation?
28. What was the earliest life form to produce oxygen?
29. What is the variety of ecosystems that are present in the biosphere?
30. Which type of rock is formed from fragments that have been compacted or cemented together?
31. Ozone forms when automobile emissions react with ..... gas and ultraviolet rays from the sun.
32. The Principle of Cross-Cutting Relationships states that an igneous intrusion is
33. When the air quality is bad, what type of alert do we receive?
34. Weather depends on which of the following factors?
35. Which of the following is an effect of climate change on oceans?
36. Which of the following fauna of India can be called Flagship Species?Bengal tiger (Panthera tigris) African elephant (Loxodonta sp.) Asian elephant (Elephas maximus) A flagship species is a species, which is selected to act as an ambassador, icon or symbol for a defined habitat, issue, campaign or environmental cause.Select the correct option from the codes given below:
37. Species that no longer exists.
38. An approach that combines biology, chemistry, earth science, economics, and political science in studying the environment.
39. Where are volcanoes and earthquake-prone areas usually located?
40. Electromagnetic waves that help your body produce vitamin D are called?
41. A region of land that drains into a river.
42. What is the driving force of the water cycle?
43. The second layer of the atmosphere up from Earth, where the ozone layer is that protects us from harmful UV rays, is the
44. Is the human body an open, closed, or isolated system?
45. The continuous movement of water into the air, onto land, and then back to water sources is called?
46. ..... is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.
47. Which biome is characterized by the presence of permafrost?
48. Which of the following zones is closest to the shore?
49. What percent of the earth's freshwater is available for drinking?
50. Spent nuclear fuel (already used) is stored at-
51. As the pesticide DDT moves up the trophic levels in a food web, the concentration of DDT within organisms
52. What are some of the vital resources of the tropical rain forest biomes?
53. Which period in time impacted the environment with burned prairies?Prairies are large open areas of grassland.
54. The processes that break down prexisting rock near or on the Earth's surface.
55. The capacity of ecosystems to regenerate what people demand from those surfaces.
56. This man was a preservationaist and largely responsible for having Yosemite added as a national park.
57. Definition:Salt tolerant plant
58. What are the two most significant abiotic factors that influence life in a biome?
59. This plant is an example of a stem that we eat
60. Sphere containing all water
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