This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 16 Environmental Issues – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 16 Environmental Issues Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are chemical fertilizers? A) A synthetic substance used to help crops grow. B) The process of removing salt from sea water for consumption. C) The slow and precise application of water directly to plants. D) Underground layers of rock or sand that contain water. Show Answer Correct Answer: A) A synthetic substance used to help crops grow. 2. Why is central and western China less populated than eastern China? A) It is covered in mountains and deserts. B) It has better farmland. C) There are too many wars. D) Rivers do not reach that far inland. Show Answer Correct Answer: A) It is covered in mountains and deserts. 3. What is one solution Germany is using to reduce acid rain? A) Cutting down more trees. B) Building more factories. C) Using wind and solar energy. D) Allowing more cars on the road. Show Answer Correct Answer: C) Using wind and solar energy. 4. Which of the following is a reason why biodiversity is important? A) It supports ecosystem health and stability. B) It provides us with resources like food and medicine. C) It contributes to cultural diversity. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. Flooding in India has led to all of these items except? A) Humans and animals drowning. B) Destruction of homes and businesses. C) Crops Lost. D) Respiratory diseases. E) Mudslides. Show Answer Correct Answer: D) Respiratory diseases. 6. How can community involvement enhance conservation efforts? A) Community involvement leads to increased pollution. B) Community involvement enhances conservation efforts by fostering local stewardship and increasing awareness. C) Awareness of conservation efforts is irrelevant to success. D) Local stewardship decreases biodiversity. Show Answer Correct Answer: B) Community involvement enhances conservation efforts by fostering local stewardship and increasing awareness. 7. Global warming can be controlled by A) Reducing reforestation, increasing the use of fossil fuel. B) Increasing deforestation, slowing down the growth of human population. C) Increasing deforestation, reducing efficiency of energy usage. D) Reducing deforestation, cutting down use of fossil fuel. Show Answer Correct Answer: D) Reducing deforestation, cutting down use of fossil fuel. 8. Which is an example of a political issue? A) Desertification. B) Land grabbing. C) Corruption. D) Racial discrimination. Show Answer Correct Answer: C) Corruption. 9. How has agriculture contributed to the decline of the Chang Jiang's water quality? A) Clearing land for farming has caused acid rain. B) The fertilizers used by farmers contaminate the river. C) Livestock drink from the river and spread their diseases. D) Irrigation of farmland has reduced the water level in the river. Show Answer Correct Answer: B) The fertilizers used by farmers contaminate the river. 10. Which of the following is NOT a way that the Canadian timber industry can limit environmental damage caused by clear-cutting? A) Plant trees to replace those that were harvested. B) Leave buffer zones of forest near streams and rivers. C) Clear-cut smaller areas to reduce the loss of ecosystems. D) Use lighter machinery to reduce air pollution from exhaust. Show Answer Correct Answer: D) Use lighter machinery to reduce air pollution from exhaust. 11. Where did the event chernobyl take place? A) Germany. B) U.K. C) Italy. D) Ukraine. Show Answer Correct Answer: D) Ukraine. 12. Choose the correct word for the definition:"rain which contains large amounts of harmful chemicals" A) Druoght. B) Earthquake. C) Acid Rain. D) Carbon dioxide. Show Answer Correct Answer: C) Acid Rain. 13. Scientists estimate there will by more plastic in the ocean than fish by 2050. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. GROUND A) A place where garbage is buried. B) Arrange or order by classes or categories. C) To increase in size or amount. D) The surface of the earth. Show Answer Correct Answer: D) The surface of the earth. 15. Pollution in the Yangtze River is making the fish unfit to eat. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. What problem do environmental engineers solve? A) Educational content. B) Transport problems. C) Entertainment systems. D) Environmental issues. Show Answer Correct Answer: D) Environmental issues. 17. Less than ..... of the world's fresh water supply is available to Southwest Asia's population. A) 20%. B) 10%. C) 1%. D) 50%. Show Answer Correct Answer: C) 1%. 18. CPCB stands for A) Control of Pollution by Central Bureau. B) Central Pollution Control Board. C) Control and Prevention by Central Board. D) None. Show Answer Correct Answer: B) Central Pollution Control Board. 19. Which of the following is a way to reduce plastic pollution? A) Use reusable bags instead of single-use plastic bags. B) Recycle plastic waste. C) Choose products with minimal packaging. D) All of the above. Show Answer Correct Answer: D) All of the above. 20. What is one way people are helping the environment? A) They are planting trees to replace the ones that are cut. B) They are building more roads so more people can see natural areas. C) They are building more dumps to hold the trash we create. D) They are using their cars more to get to places faster. Show Answer Correct Answer: A) They are planting trees to replace the ones that are cut. 21. Which part of Africa is experiencing desertification A) Sahel. B) Savanna. C) Tropical rainforest. D) Atlas Mountains. Show Answer Correct Answer: A) Sahel. 22. Different types of the same animal A) Series. B) Species. C) Speakies. D) Episodes. Show Answer Correct Answer: B) Species. 23. Which energy source is the most sustainable for IT factories? A) Coal. B) Diesel. C) Gas. D) Solar. Show Answer Correct Answer: D) Solar. 24. In the '50s, what was Brazil's purpose for clearing much of the Amazon Rain Forest? A) For footpaths for the mountain people to travel. B) For roads and highways. C) For the animals to access fresh water holes. D) In order to build a mansion for the new president. Show Answer Correct Answer: B) For roads and highways. 25. In what country does the Euphrates River join the Tigris River? A) Iraq. B) Jordan. C) Saudi Arabia. D) Syria. Show Answer Correct Answer: A) Iraq. ← 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