This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 16 Environmental Issues – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 16 Environmental Issues Quiz 63 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which greenhouse gas other than methane is produced by agricultural fields? A) Sulfur di oxide. B) CO2. C) Nitrous oxide. D) Ammonia. Show Answer Correct Answer: C) Nitrous oxide. 2. About what percent of the planet is dry land? A) 10%. B) 25%. C) 75%. D) 100%. Show Answer Correct Answer: B) 25%. 3. Which of the following is a major contributor to water scarcity? A) Droughts and climate change. B) Excessive rainfall. C) Large-scale tree planting. D) Reduced industrial activities. Show Answer Correct Answer: A) Droughts and climate change. 4. The Galapogos Islands are part of what country. A) Peru. B) Equador. C) Britain. D) China. Show Answer Correct Answer: B) Equador. 5. How has acid rain effected Canada's environment? A) It nourishes the plants and animals. B) Kills fish, harms farmland and trees, damages buildings/statues. C) It allows the plants to grow bigger and stronger. D) None of the above. Show Answer Correct Answer: B) Kills fish, harms farmland and trees, damages buildings/statues. 6. When throwing ..... everywhere, we spread diseases. A) Recycling bins. B) Rubbish. C) Trees. D) None of the above. Show Answer Correct Answer: B) Rubbish. 7. Which of the following air pollutants has shown the greatest decline in recent years? A) Lead. B) Nitrogen oxides. C) Carbon monoxide. D) Sulfur dioxide. Show Answer Correct Answer: A) Lead. 8. The following are environmental issues caused by acid rain in Canada EXCEPT ..... A) Trees dying. B) Increased gasoline prices. C) Lower profits for industries. D) Polluted farmland. Show Answer Correct Answer: B) Increased gasoline prices. 9. Which is an example of a "linking verb" A) Do. B) Become. C) Eat. D) Develop. Show Answer Correct Answer: B) Become. 10. The process of converting waste materials into new materials and objects. A) Recycling. B) Depletion. C) Carbon Free. D) None of the above. Show Answer Correct Answer: A) Recycling. 11. What is the role of IoT in energy management? A) Increases energy consumption. B) Regulates the use of energy in households and businesses. C) Promotes pollution. D) Increases electronic waste. Show Answer Correct Answer: B) Regulates the use of energy in households and businesses. 12. Which option is NOT an effect of the Chernobyl disaster? A) Increased rates of cancer, birth defects, and other health issues. B) All the nuclear power plants in the world closed. C) 28 plant workers died from acute radiation syndrome within a month. D) Animals died or got sick. E) Millions of acres of farmland were poisoned. Show Answer Correct Answer: B) All the nuclear power plants in the world closed. 13. In which country did a Russian nuclear power plant explode which released 9 tons of radioactive material into the atmosphere? A) Russia. B) Germany. C) Poland. D) Ukraine. Show Answer Correct Answer: D) Ukraine. 14. Which is an example of a non-renewable resource A) Coal. B) Trees. C) Wind. D) People. Show Answer Correct Answer: A) Coal. 15. A dense forest found in tropical areas A) Lumber. B) Hydroelectric dams. C) Biodiversity. D) Deforestation. E) Rainforest. Show Answer Correct Answer: E) Rainforest. 16. How many people lost their houses in The Fukushima disaster? A) More than 520, 000. B) More than 340, 000. C) More than 210, 000. D) More than 100, 000. Show Answer Correct Answer: B) More than 340, 000. 17. Smog is: A) The result of fog in the air mixing with smoke from factories and automobile exhaust. B) The widespread clearing (or cutting) of trees that results in the erosion of nutrients in the soil. C) A thick cloud of tiny water droplets. D) None of the above. Show Answer Correct Answer: A) The result of fog in the air mixing with smoke from factories and automobile exhaust. 18. Which word means 'to continue living'? A) Survive. B) Protect. C) Save. D) Exist. Show Answer Correct Answer: A) Survive. 19. What type of water holds more oxygen? A) Warm. B) Cold. C) Fast moving. D) Slow moving. Show Answer Correct Answer: B) Cold. 20. If a water body is contaminated with a toxicant, its biomagnification will be more marked in A) Water. B) Planktons. C) Small fishes. D) Birds. Show Answer Correct Answer: D) Birds. 21. What is a major environmental concern related to the Mediterranean Sea? A) Overfishing. B) Deforestation. C) Air pollution. D) Desertification. Show Answer Correct Answer: A) Overfishing. 22. The long-term result of drought and desertification in Sub-Saharan Africa is most likely ..... A) Disease. B) Famine. C) Flooding. D) Wild fires. Show Answer Correct Answer: B) Famine. 23. What was the issue in Chernobyl? A) Acid rain???. B) Smog???. C) Nuclear power plant disaster???. D) None of the above. Show Answer Correct Answer: C) Nuclear power plant disaster???. 24. What effect does the flow of large amounts of fertilizer and sewage have on the Yangtze? A) Germs grow in the river causing people to get sick. B) Large plants grow on the shore that block access to the river. C) It settles on the bottom causing the river to become too shallow. D) Algae grows on the top blocking sunlight below. Show Answer Correct Answer: D) Algae grows on the top blocking sunlight below. 25. Electricity or power that is produced from the sun, wind, water, etc. in ways that do not harm the environment. A) Sustainable. B) Renewable Energy. C) Recycling. D) None of the above. Show Answer Correct Answer: B) Renewable Energy. ← PreviousNext →Related 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 6Class 12 Biology Chapter 16 Environmental Issues Quiz 7Class 12 Biology Chapter 16 Environmental Issues Quiz 8Class 12 Biology Chapter 16 Environmental Issues Quiz 9Class 12 Biology Chapter 16 Environmental Issues Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books