This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 16 Environmental Issues – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 16 Environmental Issues Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the term "polluted" refer to? A) Clean and fresh. B) Contaminated or dirty. C) Well-maintained. D) Filtered and purified. Show Answer Correct Answer: B) Contaminated or dirty. 2. What is smog? A) A mixture of rain and gas. B) A mixture of smoke and natural gas. C) A mixture of phosphorus and oxygen found in the air. D) A mixture of vehicle exhaust and factory smoke mixed with fog. Show Answer Correct Answer: D) A mixture of vehicle exhaust and factory smoke mixed with fog. 3. Where did the Chernobyl disaster happen? A) Germany. B) France. C) Ukraine. D) Poland. Show Answer Correct Answer: C) Ukraine. 4. How has the construction of the Three Gorges Dam impacted the local environment and communities? A) It has reduced the cost of living in the area. B) It has led to the displacement of over a million people. C) It has decreased the use of renewable energy sources. D) It has improved the air quality significantly. Show Answer Correct Answer: B) It has led to the displacement of over a million people. 5. Which country has built 22 dams with the Anatolia Project? A) Jordan. B) Saudi Arabia. C) Turkey. D) Iraq. Show Answer Correct Answer: C) Turkey. 6. The largest nuclear plant in Europe was in A) Milan. B) Moscow. C) London. D) Chernobyl. Show Answer Correct Answer: D) Chernobyl. 7. How is India's need to develop more industry ended up creating problems along the Ganges River? A) To not allow people to cremate dead bodies next to the river due to factories being built. B) Industries are using too much water and causing the rivers to dry up. C) Factories owners are not allowing the Indian that lives near the river to bath or use the water for cooking. D) Factories dump waste and chemicals into the river every day. Show Answer Correct Answer: D) Factories dump waste and chemicals into the river every day. 8. The best way for the government of Mexico City to effectively reduce ..... is to restrict (limit) the use of cars in the city. A) Deforestation. B) Air pollution. C) Water pollution. D) None of the above. Show Answer Correct Answer: B) Air pollution. 9. Which country is working to protect the Amazon Rainforest, most of which lies within its borders? A) Venezuela. B) Ecuador. C) Colombia. D) Brazil. Show Answer Correct Answer: A) Venezuela. 10. Why is the Suez Canal so important to international shipping? A) It allows ships to get out of the Persian Gulf. B) It connects the Jordan River to the Persian Gulf, making it cheaper to ship oil to other parts of Southwest Asia. C) It makes it possible to get from the Mediterranean to the Red Sea without sailing around Africa. D) It is Iraq's only waterway to the Persian Gulf. Show Answer Correct Answer: C) It makes it possible to get from the Mediterranean to the Red Sea without sailing around Africa. 11. Which word means material found in air, water, or soil that is harmful to humans or other organisms? A) Pollutant. B) Dense. C) Sewage. D) Irrigation. Show Answer Correct Answer: A) Pollutant. 12. Increasing skin cancer and high mutation rate are the result of A) Ozone depletion. B) Acid rain. C) CO pollution. D) CO2 pollution. Show Answer Correct Answer: A) Ozone depletion. 13. Three decades of warfare have damaged many of this country's water treatment facilities. A) Iraq. B) Saudi Arabia. C) Turkey. D) Syria. E) Jordan. Show Answer Correct Answer: A) Iraq. 14. Irrigation is ..... A) Contamination of water. B) A supply of water to land or crops. C) Process of taking salt out of seawater. D) Farmers who focus on growing enough food for themselves. Show Answer Correct Answer: B) A supply of water to land or crops. 15. A layer of warm air prevents the rising air from escaping. A) Ozone. B) Temperature inversion. C) Acid rain. D) Radon. Show Answer Correct Answer: B) Temperature inversion. 16. Which of the following is NOT a concern associated with acid rain in Germany? A) Harm to natural habitats. B) Contamination of drinking water. C) Emigration resulting from job losses. D) Damage to historical statues and buildings. Show Answer Correct Answer: C) Emigration resulting from job losses. 17. What can settlers in the Amazon basin do to promote sustainable development of the rainforest? A) Clear more land to make larger farms. B) Use cleared land to raise cattle instead of crops. C) Plant crops that grow under the rainforest canopy. D) Encourage more poor farmers to migrate to the rainforest. Show Answer Correct Answer: C) Plant crops that grow under the rainforest canopy. 18. What does the expression 'A drop in the ocean' describe? A) Something new and refreshing. B) In a risky or precarious situation. C) A very small amount in comparison to what is needed. D) A small, visible part of a much larger problem. Show Answer Correct Answer: C) A very small amount in comparison to what is needed. 19. Which is NOT a cause of deforestation in Africa? A) Clearing land for farms. B) Logging. C) Urban growth. D) Decreasing population. Show Answer Correct Answer: D) Decreasing population. 20. Most Canadians live along the southern border, which region in southern Canada has the highest population? A) English Channel. B) Arctic Ocean. C) Pacific Ocean. D) St. Lawrence River and Great Lakes. Show Answer Correct Answer: D) St. Lawrence River and Great Lakes. 21. What is an effect of the pollution in Mexico city? A) People can breathe fresh air. B) Many people have respiratory illnesses. C) No limits on driving. D) There are no health issues in Mexico City. Show Answer Correct Answer: B) Many people have respiratory illnesses. 22. Where does the majority of Brazil's population live? A) Eastern Brazil along the Atlantic Ocean. B) Central Brazil in the Amazon Rainforest. C) Northern Brazil. D) Western Brazil along the Amazon River. Show Answer Correct Answer: A) Eastern Brazil along the Atlantic Ocean. 23. Coal-burning factories and increased automobile usage has caused the GREATEST increase in which of these? A) Air pollution. B) Nuclear waste. C) Soil depletion. D) Water pollution. Show Answer Correct Answer: A) Air pollution. 24. Which country has struggled with the environmental issue of radioactivity for over thirty years? A) Russia. B) Ukraine. C) Spain. D) France. Show Answer Correct Answer: B) Ukraine. 25. The functions of Central Board are given under: A) Section 16. B) Section 17. C) Article 48. D) Article 51 a. Show Answer Correct Answer: A) Section 16. ← 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