This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Anthropogenic Activities And Their Impacts On Environment – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Anthropogenic Activities And Their Impacts On Environment Quiz 10 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Continued depletion of the ozone layer will most likely result in A) Anincrease in marine ecosystem stability. B) A decreasein atmospheric pollutants. C) Anincrease in skin cancer among humans. D) Adecrease in climatic changes. Show Answer Correct Answer: C) Anincrease in skin cancer among humans. 2. The most abundant greenhouse gas is ..... A) Oxygen. B) Nitrogen. C) Carbon dioxide. D) All of the above. Show Answer Correct Answer: C) Carbon dioxide. 3. Which of the following results when levels of CO$_{2 }$in the atmosphere increase due to fossil fuel burning? A) Ozone depletion. B) Global warming. C) Ecological succession. D) Acid rain. Show Answer Correct Answer: B) Global warming. 4. When forests are cleared on a very large scale by cutting or burning them down it is: A) Forestation. B) Deforestation. C) Plantation. D) None of above. Show Answer Correct Answer: B) Deforestation. 5. What activity would be positive for the environment? A) Taking a shopping trip!. B) Driving your personal cars. C) Developing wildlife refuges. D) Dumping sewage waste into the ocean. Show Answer Correct Answer: C) Developing wildlife refuges. 6. An office decided to help the environment by using less paper. How will this most likely benefit the environment? A) It will help increase the biodiversity. B) It will help conserve forests and save energy. C) It will help protect soil. D) It will help reduce acid rain. Show Answer Correct Answer: B) It will help conserve forests and save energy. 7. One way that humans could have a positive impact on local environments is to: A) Increase planting large areas of one crop. B) Use resources that are renewable. C) Increase the use of pesticides. D) Generate waste products as a result of technological advances. Show Answer Correct Answer: B) Use resources that are renewable. 8. Which of the following human activities has the greatest negative effect on animals and plants living in the Bay at Laurence Harbor? A) Large amounts of fertilizers. B) Swimming in the ocean. C) Recycling plastic bags. D) None of above. Show Answer Correct Answer: A) Large amounts of fertilizers. 9. Which of the following results when nitrogen and sulfur-containing compounds mix with water in the atmosphere? A) Acid rain. B) Ozone depletion. C) Global warming. D) Thermal pollution. Show Answer Correct Answer: A) Acid rain. 10. The removal of trees faster than forests can replace themselves. A) 10% Rule. B) Deforestation. C) Endangered Species. D) Population Growth. Show Answer Correct Answer: B) Deforestation. 11. Which of the following is an obnoxious gas? A) SO$_{4}$. B) O$_{2}$. C) Nitrogen oxide. D) None of these. Show Answer Correct Answer: A) SO$_{4}$. 12. 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? A) Burning fossil fuels. B) Disposing of pesticides. C) Fertilizer for food crops. D) None of above. Show Answer Correct Answer: C) Fertilizer for food crops. 13. Which is the most abundant greenhouse gas in the atmosphere? A) Methane. B) Nitrogen dioxide. C) Carbon dioxide. D) None of above. Show Answer Correct Answer: B) Nitrogen dioxide. 14. Farmers may leave fields unplanted or plant alternate crops to reduce: A) Strip Mining. B) Desertification. C) Erosion. D) Nutrient depletion. Show Answer Correct Answer: D) Nutrient depletion. 15. What is it called when plants or animals live in an area that they are not naturally found and disrupt the area? A) Introduced Species. B) Native Species. C) Non-native Species. D) Invasive Species. Show Answer Correct Answer: D) Invasive Species. 16. Is an undesirable change in a natural environment that is caused by adding substances that are harmful to living organisms A) Resource depletion. B) Pollution. C) Natural occurrence. D) None of above. Show Answer Correct Answer: B) Pollution. 17. The process in which plants use energy from the sun to convert carbon dioxide and water into oxygen and glucose. A) Combustion. B) Decomposition. C) Photosynthesis. D) Respiration. Show Answer Correct Answer: C) Photosynthesis. 18. Any undesirable factor added to the air, water, or soil A) Pollutant. B) Particulates. C) Smog. D) Ozone. Show Answer Correct Answer: A) Pollutant. 19. 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? A) Dust Storms. B) Industrial emissions. C) Volcanic Ash. D) Forest fires caused by lightning. Show Answer Correct Answer: B) Industrial emissions. 20. Which is not a factor for longer life expectancy? A) Cleaner water. B) More and better food. C) Better healthcare. D) Better housing. Show Answer Correct Answer: D) Better housing. 21. What is the definition of weather? A) A period of abnormally dry weather that lasts at least 2 years. B) The specific condition of the atmosphere at a particular place and time. C) A complex community of organisms and the community's environment. D) A release of toxic gas. Show Answer Correct Answer: B) The specific condition of the atmosphere at a particular place and time. 22. Which molecule is most responsible for the adverse effects of pollution and deforestation in Earth's climate? A) Ammonia. B) Methane. C) Carbon dioxide. D) Hydrogen gas. Show Answer Correct Answer: C) Carbon dioxide. 23. These substances were responsible for depletion of the ozone layer, which protects us from harmful UV rays. A) Acid rain. B) Carbon emissions. C) Greenhouse gases. D) Chlorofluorocarbons. Show Answer Correct Answer: D) Chlorofluorocarbons. 24. What does overexploitation mean? A) There is a surplus in the popultation of a species which needs to be reduced. B) There is a surplus in the popultation of a species which needs to continue grow. C) The population of a species is is being removed faster than they can repopulate. D) The population is being reduced and needs to be further reduced. Show Answer Correct Answer: C) The population of a species is is being removed faster than they can repopulate. 25. Which is NOT a way to decrease your ecological footprint? A) Eating less meat and processed food. B) Turning off electricity and water when not using it. C) Carpooling to school. D) Driving a large car around for fun. Show Answer Correct Answer: D) Driving a large car around for fun. 26. The process when concentrations of a harmful substance increases in organisms at higher trophic levels in a food chain or food web. A) Extinction. B) Biomagnification. C) Predation. D) Accumulation. Show Answer Correct Answer: B) Biomagnification. 27. What is it called when a new organism is introduced to a new habitat and it reproduces rapidly? A) Invasive Species. B) Endangered Species. C) Inclusive Species. D) Intrusive Species. Show Answer Correct Answer: A) Invasive Species. 28. Which trophic level in a food web would accumulate the LEAST amount of a toxin, such as methylmercury or DDT? A) Secondary consumers. B) Herbivores. C) Autotrophs. D) Primary consumers. Show Answer Correct Answer: C) Autotrophs. 29. Conserving wetlands and establishing nature reserves will A) Decrease biodiversity. B) Increase the protection of habitats. C) Increase air pollution. D) Decrease eco-tourism. Show Answer Correct Answer: B) Increase the protection of habitats. 30. Which of the following ecological problems is NOT the result of burning fossil fuels? A) Climate change. B) Ozone depletion. C) Greenhouse effect. D) Acid rain. Show Answer Correct Answer: B) Ozone depletion. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesAnthropogenic Activities And Their Impacts On Environment Quiz 1Anthropogenic Activities And Their Impacts On Environment Quiz 2Anthropogenic Activities And Their Impacts On Environment Quiz 3Anthropogenic Activities And Their Impacts On Environment Quiz 4Anthropogenic Activities And Their Impacts On Environment Quiz 5Anthropogenic Activities And Their Impacts On Environment Quiz 6Anthropogenic Activities And Their Impacts On Environment Quiz 7Anthropogenic Activities And Their Impacts On Environment Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books