This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Anthropogenic Activities And Their Impacts On Environment – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Anthropogenic Activities And Their Impacts On Environment Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How long does it take styrofoam to decompose? A) 1 year. B) More than 500 years. C) Never. D) 10 years. Show Answer Correct Answer: B) More than 500 years. 2. Which of the following greenhouse gases is not paired with an activity that produces it? A) Methane-raisingcattle. B) Carbondioxide-respiration. C) Carbondioxide-burning fossil fuels. D) Methane-cuttingdown trees. Show Answer Correct Answer: C) Carbondioxide-burning fossil fuels. 3. Soil compaction has impacts on land including the following: A) Decreases erosion, improves plant growth. B) Reduces air space, limits water absorption and increases surface runoff. C) Increases surface runoff and improves plant growth. D) Wrecks the tires on nice red tractors. Show Answer Correct Answer: B) Reduces air space, limits water absorption and increases surface runoff. 4. Air quality is a measure of how clean or polluted the air is. How would overharvesting trees most likely affect air quality? A) Reduce levels of greenhouse gases. B) Increase carbon dioxide in the air. C) Raise oxygen levels in the air. D) Decrease the amount of acid rain. Show Answer Correct Answer: B) Increase carbon dioxide in the air. 5. Increases in global temperature is caused by A) Aerosols/CFC's. B) Carbon dioxide, methane, and water vapor. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: B) Carbon dioxide, methane, and water vapor. 6. A new store and a parking lot are built in what was a large field. Which of the following is most likely to happen to the ecosystem in the field? A) There will be more food for the animals. B) More water will be available to the animals. C) There will be less food because there are fewer plants. D) None of above. Show Answer Correct Answer: C) There will be less food because there are fewer plants. 7. Humans are decreasing biodiversity by: A) Hunting animals. B) Banning aerosol cans. C) Using alternative energy sources. D) Reforestation. Show Answer Correct Answer: A) Hunting animals. 8. Invasive species often do not have ..... A) Adaptations for the environment they are in. B) Resources they need to survive. C) Natural predicters to control their population. D) Mates to procreate with. Show Answer Correct Answer: C) Natural predicters to control their population. 9. What is one benefit of using hydropower? A) It is free. B) It makes the air cleaner. C) It does not affect the environment in any way. D) It is reliable. Show Answer Correct Answer: D) It is reliable. 10. Which Country currently emits the most greenhouse gases? A) India. B) UAE. C) China. D) None of above. Show Answer Correct Answer: C) China. 11. Which of the following is NOT a threat to biodiversity? A) Invasive Species. B) Pollution. C) Ecological Succession. D) Deforestation. Show Answer Correct Answer: C) Ecological Succession. 12. Cars inspections check whether they're releasing too much of several gases. This is to: A) Reduce global warming. B) Recycle more nutrients. C) Reduce biodiversity. D) None of above. Show Answer Correct Answer: A) Reduce global warming. 13. What will likely happen to endangered species if they are not properly managed? A) Repopulation. B) Extinction. C) Increase in biodiversity. D) Nothing. Show Answer Correct Answer: B) Extinction. 14. Which of the following is one way that we can preserve water resources? A) Leave the water running while you are washing dishes or brushing your teeth. B) Set your irrigation systems on timers so they only water at certain times, rain or shine. C) Only do laundry on certain days even if you don't have full loads. D) Take shorter showers. Show Answer Correct Answer: D) Take shorter showers. 15. How do invasive plants damage the environment? A) Compete with native species. B) Change plant community. C) Alter diversity. D) All of these. Show Answer Correct Answer: D) All of these. 16. Why is soil important? A) It is a habitat for organisms and It stores water and nutrients. B) Soil is not important. C) It is soft so if you fall while playing you will not hurt yourself. D) It was only important during the dust bowl. Show Answer Correct Answer: A) It is a habitat for organisms and It stores water and nutrients. 17. Which of these is one cause of deforestation? A) Urbanization. B) Overbreeding birds. C) Cutting down the tree in your backyard. D) None of the above. Show Answer Correct Answer: A) Urbanization. 18. The average temperature of the surface of Earth has increased approximately 1$^ \circ$C in the past century. Which reason best explains this increase in temperature? A) Higher levels of oxygen in the atmosphere. B) Higher levels of carbon dioxide in the atmosphere. C) Lower levels of ozone in the atmosphere. D) Lower levels of nitrogen in the atmosphere. Show Answer Correct Answer: B) Higher levels of carbon dioxide in the atmosphere. 19. What are impacts of overgrazing? A) Pollution and use of more resources. B) Loss of biodiversity, loss of native topsoil, desertification. C) More people than the infrastructure can support. D) Creation of heat islands. Show Answer Correct Answer: B) Loss of biodiversity, loss of native topsoil, desertification. 20. How much of the Earth is covered with freshwater? A) 30%. B) 3%. C) 2%. D) 1%. Show Answer Correct Answer: B) 3%. 21. What would Earth be like without the greenhouse effect? A) A little warmer than it is now. B) A little cooler than it is now. C) Too cold to be habitable. D) The same temperature as it is now. Show Answer Correct Answer: C) Too cold to be habitable. 22. Which of the following is the most likely threat to a species which could lead to it being listed as endangered? A) Destruction of habitat. B) Overfishing/overharvesting. C) Pollution. D) All of the above. Show Answer Correct Answer: A) Destruction of habitat. 23. What will most likely happen if the human population continues to grow at current rates? A) There will be a decrease in water pollution. B) There will be an increase in the number of strong hurricanes. C) There will be fewer natural resources available for future generations. D) There will be an increase in nitrogen levels in the atmosphere. Show Answer Correct Answer: C) There will be fewer natural resources available for future generations. 24. Why has Earth's human carrying capacity increased greatly? A) Humans are now eating fewer plants than they used to. B) Humans can live closer together than other animals. C) Other organisms have been displaced by agriculture, so there is more space for humans. D) Humans have modified their environment due to technological advances. Show Answer Correct Answer: D) Humans have modified their environment due to technological advances. 25. Which human activity would preserve nonrenewable resources? A) Recycling. B) Deforestation. C) Heating homes with fossil fuels. D) Removing carnivores from a forest. Show Answer Correct Answer: A) Recycling. 26. Largest number of individuals of a population that the environment can support ..... A) Lag phase. B) Mutualism. C) Carrying capacity. D) Population crash. Show Answer Correct Answer: C) Carrying capacity. 27. The Chesapeake Bay is made up of many important natural communities such as Bay grasses. Which of the following actions would most improve the survival of the Bay grasses? A) Remove all fish species that eat the grasses. B) Increase the amount of nutrients in the water. C) Reduce the muddiness of the water. D) None of above. Show Answer Correct Answer: C) Reduce the muddiness of the water. 28. When we discuss greenhouse gases what is the main one we discuss? A) Methane (CH$_{4}$). B) Carbon Dioxide (CO$_{2}$). C) Nitrous oxide (N$_{2}$O). D) Flourinated gases. Show Answer Correct Answer: B) Carbon Dioxide (CO$_{2}$). 29. Which problem is most associated with energy provided by nuclear power plants? A) Ozone depletion. B) Air pollution. C) Global warming. D) Radioactive waste. Show Answer Correct Answer: D) Radioactive waste. 30. Which of the following issues is the main cause of the other listed environmental impacts caused by humans? In other words this happens and the others usually occur due to it. A) Pollution. B) Human population growth. C) Habitat destruction. D) Climate change. Show Answer Correct Answer: B) Human population growth. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesAnthropogenic Activities And Their Impacts On Environment Quiz 1Anthropogenic 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 8Anthropogenic Activities And Their Impacts On Environment Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books