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DSST Environmental Science Exam Practice Test 2
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DSST Environmental Science exam covers the basics of ecological concepts, environmental impacts and conservation. The exam contains 100 questions to be answered in 2 hours. Exam content briefly: 1. Ecological Concepts – 30% a. Ecosystems b. Organism Relationships c. Biodiversity d. Trophic relationships (e.g. food chain; food web) e. Energy flows and cycles f. Biomes g. Population biology h. Evolution i. Ecological succession 2. Environmental Impacts – 25% a. Human population dynamics b. Global climate change c. Pollution – physical, chemical, and biological aspects d.... Show more
DSST Environmental Science Exam Practice Test 2
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25 Questions

1. Which biome harbors the fewest species of plants?
2. Which act sets environmental policies at the state level?
3. Which of the following concepts is frequently used in environmental risk assessment?
4. Which fuel source can be produced from biomass materials that contain cellulose or starch?
5. What is the primary mechanism for setting standards for non-drinking water?
6. Which of the following is NOT an environmental justice issue?
7. Which of the following is a feature of sustainable agriculture?
8. Which scientific practice yields plants with desired traits?
9. Which phenomenon is necessary to keep Earth warm enough to sustain life?
10. Which of the following is NOT a source of acid deposition?
11. What would the population profile look like in a country in the first stage of the demographic transition?
12. In 1992,the Earth Summit aimed to develop a better integration of each country’s environmental and
13. The first significant increase in atmospheric CO2 levels is linked to
14. Which of the following is an example of a persistent pesticide?
15. Organisms that obtain nutrition at all trophic levels are
16. The stewardship worldview of environmentalism maintains that
17. Mass production contributed most to which major environmental concern?
18. Which of the following gases is thought to be a major contributor to the effect of global climate change?
19. Which of the following is an international organization that plays a major role in environmental conservation?
20. Which of the following is a predicted impact of global climate change?
21. In a temperate deciduous forest,maple trees, birds, and squirrels all live in the same given area. All three species together make up a/an
22. Mycorrhizal fungi live among plant roots, increasing nutrient and water access for the plants in exchange for carbohydrates. Such a relationship is best described as
23. Which of the following is generally true about soil erosion?
24. One consequence of introducing agricultural technology to a developing country is
25. The exploitation of minerals in oceans is controlled by the

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