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Anthropogenic Activities And Their Impacts On Environment Quiz 10 (25 MCQs)

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1. Algae grow rapidly when certain nutrients are added to the water supply causing an algal bloom. Eutrophication describes the process of adding nutrients to the water supply. What human activity is most responsible for the eutrophication that leads to algal blooms?
2. Which is the most abundant greenhouse gas in the atmosphere?
3. Farmers may leave fields unplanted or plant alternate crops to reduce:
4. What is it called when plants or animals live in an area that they are not naturally found and disrupt the area?
5. Is an undesirable change in a natural environment that is caused by adding substances that are harmful to living organisms
6. The process in which plants use energy from the sun to convert carbon dioxide and water into oxygen and glucose.
7. Any undesirable factor added to the air, water, or soil
8. There are many sources of air pollution in the United States and around the world. Some are natural sources, and others come from humans. Which of these examples is a human source of air pollution?
9. Which is not a factor for longer life expectancy?
10. What is the definition of weather?
11. Which molecule is most responsible for the adverse effects of pollution and deforestation in Earth's climate?
12. These substances were responsible for depletion of the ozone layer, which protects us from harmful UV rays.
13. What does overexploitation mean?
14. Which is NOT a way to decrease your ecological footprint?
15. The process when concentrations of a harmful substance increases in organisms at higher trophic levels in a food chain or food web.
16. What is it called when a new organism is introduced to a new habitat and it reproduces rapidly?
17. Which trophic level in a food web would accumulate the LEAST amount of a toxin, such as methylmercury or DDT?
18. Conserving wetlands and establishing nature reserves will
19. Which of the following ecological problems is NOT the result of burning fossil fuels?
20. Which of the following is associated with dead zones in the ocean?
21. Which member of the following food chain is most likely to be affected by mercury, a pollutant? Algae-zooplankton-salmon-bear
22. Most of the carbon dioxide in the atmosphere was released by people burning _____
23. One positive effect of using a reusable water bottle instead of a plastic water bottle is _____
24. Which member of the food chain is MOST affected by mercury, a fresh water pollutant? algae $\rightarrow$ zooplankton$\rightarrow$ small fish $\rightarrow$ large fish $\rightarrow$ hawk
25. Where in the world is soil less fertile?
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