This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 16 Environmental Issues – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 16 Environmental Issues Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens if e-waste is dumped in landfills? A) Improves soil. B) Releases toxins. C) Reduces costs. D) Saves energy. Show Answer Correct Answer: B) Releases toxins. 2. Sewage treatment filters wastewater from homes so it can be cleaned and reused. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. Which of the following is NOT as cause of air pollution in India and China? A) Flooding during monsoon season. B) Coal-burning factories. C) Homes burning coal for heat. D) Automobile emissions. Show Answer Correct Answer: A) Flooding during monsoon season. 4. Why do very few Brazilians live in central and western Brazil? A) It is covered by the Atacama Desert. B) It is covered by the Amazon Rainforest. C) It is blocked by the Sierra Madre Mountains. D) It is flood by the Amazon River. Show Answer Correct Answer: B) It is covered by the Amazon Rainforest. 5. What physical feature makes it difficult for Italian merchants to trade with countries north of Italy? A) The Appalachians. B) The Alps. C) Ukraine Mountains. D) The Himalayans. Show Answer Correct Answer: B) The Alps. 6. What role do fossil fuels play in climate change? A) Fossil fuels contribute to climate change by releasing greenhouse gases that trap heat in the atmosphere. B) Fossil fuels have no impact on the environment or climate. C) Fossil fuels cool the planet by reflecting sunlight away from the Earth. D) Fossil fuels are a renewable energy source that helps reduce emissions. Show Answer Correct Answer: A) Fossil fuels contribute to climate change by releasing greenhouse gases that trap heat in the atmosphere. 7. What is the main reason for the heavy smog in London, England? A) Runoff from farms. B) Deforestation. C) Burning fields. D) Car emissions. Show Answer Correct Answer: D) Car emissions. 8. What occurs when air pollution combines with water molecules in the atmosphere? A) Over-extraction. B) Deforestation. C) Water pollution. D) Acid rain. Show Answer Correct Answer: D) Acid rain. 9. What is one major cause of air pollution in the United Kingdom? A) Coal-burning power plants and heavy car traffic. B) Desert dust storms blowing across Europe. C) Farming in rural England. D) Cutting down forests for timber. Show Answer Correct Answer: A) Coal-burning power plants and heavy car traffic. 10. Respiratory diseases mainly affect which part of the body? A) Heart. B) Lungs and airways. C) Kidneys. D) Digestive system. Show Answer Correct Answer: B) Lungs and airways. 11. What should consumers do with old devices? A) Burn parts. B) Hide them. C) Donate or recycle. D) Throw in trash. Show Answer Correct Answer: C) Donate or recycle. 12. What is one RISK associated with nuclear energy? A) It uses fossil fuels which are dangerous to the environment. B) It uses cleaner, cheaper energy, which benefits the environment. C) If it is not regulated closely, there is a risk of explosions. D) None of the above. Show Answer Correct Answer: C) If it is not regulated closely, there is a risk of explosions. 13. An effect of acid rain is which of the following? A) Cleaner rivers. B) Diseased forests. C) Buildings and statues that look new. D) Increased automobile manufacturing. Show Answer Correct Answer: B) Diseased forests. 14. Seasons in South Asia depend MOSTLY on what? A) Earthquakes. B) Typhoons. C) Monsoons. D) Hurricanes. Show Answer Correct Answer: C) Monsoons. 15. Cuba is an island country; therefore, ..... is an important economic activity. A) Fishing. B) Steel. C) Oil. D) Manufacturing. Show Answer Correct Answer: A) Fishing. 16. What happens when acid rain falls into lakes and rivers? A) The water becomes healthier for fish. B) The water becomes too acidic for many animals to survive. C) The water levels rise and create floods. D) The water evaporates more quickly. Show Answer Correct Answer: B) The water becomes too acidic for many animals to survive. 17. Which ocean is most affected by pollution? A) Atlantic. B) Pacific. C) Indian. D) None of the above. Show Answer Correct Answer: B) Pacific. 18. In what area of Canada would you find the humid-continental climate? A) Quebec-Ontario-Prairie Provinces. B) Atlantic Provinces. C) North. D) British Columbia. Show Answer Correct Answer: A) Quebec-Ontario-Prairie Provinces. 19. Contamination of water supplies due to chemicals, fertilizer, sewage, etc. A) Drought. B) Climate. C) Water Pollution. D) Irrigation. Show Answer Correct Answer: C) Water Pollution. 20. What are some effects of acid rain? A) Kills trees. B) Eats holes in the surfaces of buildings and statutes. C) Pollutes rivers and harms wildlife. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. Which of the following is a solution to water pollution? A) Burn cleaner fuels. B) Build and maintain sewage treatment plants. C) Limit driving. D) None of the above. Show Answer Correct Answer: B) Build and maintain sewage treatment plants. 22. Is SW Asia water scarce or water stressed? A) Water scarce. B) Water limited. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 23. Which is toxic, is the major chemical found in smog. A) Convection. B) Transpiration. C) Ozone. D) Radiation. Show Answer Correct Answer: C) Ozone. 24. Acid rain is caused by rain mixing with gases released into the air by the burning of fossil fuels such as coal or oil. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. What does GM products mean A) Genetically manufactured. B) Genetically mastered. C) Genetically Modified. D) Generally More. Show Answer Correct Answer: C) Genetically Modified. 26. What is a lasting effect of the Chernobyl nuclear disaster? A) Nuclear power was banned in the world for 25 years. B) The animals in the area became overpopulated. C) No one could live in Ukraine for 15 years. D) Many people developed forms of cancer caused by radiation. Show Answer Correct Answer: D) Many people developed forms of cancer caused by radiation. 27. Turkey building dams on the Euphrates to protect their water supply had what effect on Iraq? A) There was no effect. B) Iraq went to war and took over Turkey. C) Decreased shipping routes from the Persian Gulf. D) Reduced the amount of water flowing downstream to Iraq. Show Answer Correct Answer: D) Reduced the amount of water flowing downstream to Iraq. 28. How many people are living in the River Basin region? A) 620 million. B) 650 million. C) 630 million. D) 600 million. Show Answer Correct Answer: B) 650 million. 29. Why was the plastic bag tax introduced? A) Encourage people to reuse old bags. B) Nothing should be free. C) To make more money. D) Minimise the spread of Covid-19. Show Answer Correct Answer: A) Encourage people to reuse old bags. 30. Israel relies heavily on underground rock and sand layers that store water, known as:(a) A) A. Aquifers. B) Delta. C) Basins. D) Wetlands. Show Answer Correct Answer: A) A. Aquifers. 31. What types of resources CANNOT be replaced? A) Renewable resources (sun, wind, water). B) Nonrenewable resources (fossil fuels). C) All the above. D) None of the above. Show Answer Correct Answer: B) Nonrenewable resources (fossil fuels). 32. How do Germany's factories contribute to acid rain? A) They produce clean solar energy. B) They release sulfur dioxide and nitrogen oxides. C) They depend mainly on water power. D) They only operate during winter months. Show Answer Correct Answer: B) They release sulfur dioxide and nitrogen oxides. 33. About how much food is wasted worldwide? A) 1/2. B) 1/10. C) 1/3. D) 1/4. Show Answer Correct Answer: C) 1/3. 34. How can acid rain hurt an area's economy? A) It ruins historic buildings and statues which causes tourism to drop. B) It makes fish double in size, so the fisherman make more money. C) It makes money in the area useless. D) None of the above. Show Answer Correct Answer: A) It ruins historic buildings and statues which causes tourism to drop. 35. Why do most people in Russia live in the western part of the country rather than the eastern part? A) The climate in western Russia is more favorable than in eastern Russia. B) The eastern coast of Russia is crowded with tourists. C) Western Russia has richer resources compared to eastern Russia. D) Eastern Russia is mountainous and difficult to inhabit. Show Answer Correct Answer: A) The climate in western Russia is more favorable than in eastern Russia. 36. Name the three Environmental issues in Europe that were covered in class. A) Acid Rain, water pollution, solar energy. B) Acid Rain, Air pollution, nuclear disaster. C) Cancer, water power and solar power. D) None of the above. Show Answer Correct Answer: B) Acid Rain, Air pollution, nuclear disaster. 37. The Black Forest is located in Germany. What environmental issue is it facing? A) Radioactive contamination of waterways. B) Acid rain due to nuclear fallout. C) Acid rain due air pollution from industries and high population density. D) Deforestation due to logging and building of highways. Show Answer Correct Answer: C) Acid rain due air pollution from industries and high population density. 38. Which among the following is striking visual evidence of Global warming? A) Heavy rains. B) Extreme weather. C) Flash floods. D) Melting of polar ice. Show Answer Correct Answer: D) Melting of polar ice. 39. What would be a cost of drilling for oil in Antartica? A) Transporting the oil. B) Risk of oil spills. C) Potential harm to sea animals. D) All are correct. Show Answer Correct Answer: D) All are correct. 40. This destruction ..... climate changes. A) Produces. B) Reduces. C) Emits. D) Contributes to. Show Answer Correct Answer: D) Contributes to. 41. Which country does the Amazon River pass through? A) Brazil. B) Cuba. C) Panama. D) Chile. Show Answer Correct Answer: A) Brazil. 42. What is one consequence of China's rapid industrialization? A) Many nations refuse to trade with China due to its high rate of pollution. B) The level of air pollution in many Chinese cities is dangerously unsafe. C) China has nearly exhausted its natural resource supply. D) China's agricultural sector has contracted significantly. Show Answer Correct Answer: B) The level of air pollution in many Chinese cities is dangerously unsafe. 43. How has population growth in the United Kingdom contributed to air pollution over time? A) Population growth caused farmers to use more fertilizers to increase production. B) Population growth caused the government to open protected areas for development. C) Population growth caused an increase in automobile traffic in the country's cities. D) Population growth has increased industrial demand for power from nuclear energy plants. Show Answer Correct Answer: C) Population growth caused an increase in automobile traffic in the country's cities. 44. What type of pollution is especially significant in Mexico City? A) Air. B) Water. C) Soil. D) None of the above. Show Answer Correct Answer: A) Air. 45. An area of low oxygen in a body of water that can lead to a Dead Zone A) Microplastics. B) Greenhouse effect. C) Coral bleaching. D) Hypoxia. Show Answer Correct Answer: D) Hypoxia. 46. In what year did the Great Smog affect London? A) 2000. B) 1946. C) 1956. D) 1985. Show Answer Correct Answer: C) 1956. 47. Identify a common source of water pollution. A) Industrial waste. B) Agricultural runoff. C) Sewage discharge. D) Plastic debris. Show Answer Correct Answer: B) Agricultural runoff. 48. Continuing to emit radiation even after the nuclear reaction has stopped A) Acid Rain. B) Arable. C) Smog. D) Radioactive. Show Answer Correct Answer: D) Radioactive. 49. When we pollute the atmosphere, we release ..... into the atmosphere A) Emissions. B) Emmisions. C) Conditions. D) Renditions. Show Answer Correct Answer: A) Emissions. 50. How is Germany trying to fix their acid rain problem? A) Cleaning the smoke before it goes into the air. B) Using alternative energy sources like wind, water, and solar. C) Paying factories not to produce cars anymore. D) None of the above. Show Answer Correct Answer: B) Using alternative energy sources like wind, water, and solar. 51. What caused the Chernobyl incident to occur? A) Air pollution. B) Acid rain. C) Faulty reactor and error by workers. D) It was a natural disaster. Show Answer Correct Answer: C) Faulty reactor and error by workers. 52. Trash in the environment is a problem because A) Animals can eat it and die. B) Animals can get their heads stuck in containers. C) It can kill ocean plants and animals. D) All of the above. Show Answer Correct Answer: D) All of the above. 53. When a population grows, the demand for resources ..... A) Lessens. B) Grows. C) Stays the same. D) None of the above. Show Answer Correct Answer: B) Grows. 54. When seasonal winds bring heavy rainfall that can lead to flooding is referred to as A) Typhoons. B) Tornadoes. C) Hurricanes. D) Monsoons. Show Answer Correct Answer: D) Monsoons. 55. How much of the worlds fresh water is available in Southwest Asia? A) 20%. B) 1%. C) 5%. D) 5%. Show Answer Correct Answer: B) 1%. 56. Don't ..... a heater, put on a jumper if you're cold. A) Turn up. B) Turn on. C) Throw away. D) Turn down. Show Answer Correct Answer: A) Turn up. 57. The greenhouse effect is responsible for which of the following conditions on Earth? A) Increasing global temperatures significantly above normal. B) Maintaining global temperatures in a range where life can exist. C) Stimulating the generation of oxygen in the atmosphere. D) Trapping the Sun's heat and preventing it from returning to spaceTagsEnvironmental. Show Answer Correct Answer: A) Increasing global temperatures significantly above normal. 58. Nutrient Depletion is ..... A) The process of restoring an area of land to a more productive state. B) When soil becomes less fertile. For instance if a farmer plants the same crops in a field every year, the crops may use. C) The advance of desertlike conditions into areas that previously were fertile. D) Leachate. Show Answer Correct Answer: B) When soil becomes less fertile. For instance if a farmer plants the same crops in a field every year, the crops may use. 59. What factor below makes Brazil's environmental issues worse? A) The government cannot afford to filter their cities drinking water. B) The city is located in the valley of an extinct volcano making the air pollution stay in the atmosphere above the city. C) Many citizens only source of income is harvesting trees from the forest, so the problem never stops. D) The government cannot afford to filter their cities drinking water. Show Answer Correct Answer: C) Many citizens only source of income is harvesting trees from the forest, so the problem never stops. 60. In Saudi Arabia, most drinking water comes from (a) A) A. desalination plants. B) Pipelines from Israel. C) Underground rivers. D) None of the above. Show Answer Correct Answer: A) A. desalination plants. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Biology Chapter 16 Environmental Issues Quiz 1Class 12 Biology Chapter 16 Environmental Issues Quiz 2Class 12 Biology Chapter 16 Environmental Issues Quiz 3Class 12 Biology Chapter 16 Environmental Issues Quiz 4Class 12 Biology Chapter 16 Environmental Issues Quiz 5Class 12 Biology Chapter 16 Environmental Issues Quiz 7Class 12 Biology Chapter 16 Environmental Issues Quiz 8Class 12 Biology Chapter 16 Environmental Issues Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books