This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 16 Environmental Issues – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 16 Environmental Issues Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does it mean to rescue or keep something from harm? A) Save. B) Limit. C) Survive. D) None of the above. Show Answer Correct Answer: A) Save. 2. Why is water pollution of great concern in Southwest Asia? A) Because clean drinking water is scarce in the region. B) Because the economy is dependent upon exporting water. C) Because it prevents ships from traveling along major waterways. D) Because it reduces the amount of electricity generated by hydropower. Show Answer Correct Answer: A) Because clean drinking water is scarce in the region. 3. Which of the following is a result (effect) of unequal access to clean water in Africa? A) More children get access to larger areas of farm land. B) Fewer girls are receiving an education in areas of Africa. C) Trees begin to grow back at quicker rates. D) Less malaria is spreading across Africa. Show Answer Correct Answer: B) Fewer girls are receiving an education in areas of Africa. 4. Which is not an impact of radiation exposure? A) Radiation exposure causes thyroid cancer. B) Radiation exposure causes birth defects. C) Radiation exposure has little to no effect on the human body. It only affects the environment in a negative way. D) Radiation exposure causes autoimmune diseases. Show Answer Correct Answer: C) Radiation exposure has little to no effect on the human body. It only affects the environment in a negative way. 5. Which of the following is NOT a major source of pollution in the Ganges River? A) Household waste. B) Industrial byproducts. C) Religious rituals performed in the river. D) Transboundary pollution from China. Show Answer Correct Answer: D) Transboundary pollution from China. 6. The process of restoring an area of land to a more productive state. A) Land reclamation. B) Land declination. C) Land recyclation. D) Land population. Show Answer Correct Answer: A) Land reclamation. 7. How does plastic waste impact marine life? A) Plastic waste provides nutrients for marine life. B) Plastic waste harms marine life by causing ingestion, entanglement, and chemical pollution. C) Plastic waste has no effect on marine ecosystems. D) Plastic waste helps in the growth of coral reefs. Show Answer Correct Answer: B) Plastic waste harms marine life by causing ingestion, entanglement, and chemical pollution. 8. Sulfur and nitrogen oxide release into the atmosphere is most responsible for A) Ozone depletion. B) Acid precipitation. C) Global warming. D) Eutrophication. Show Answer Correct Answer: B) Acid precipitation. 9. Air pollution is thought to be connected to ..... preventable deaths in Japan every year. A) 42, 000. B) 35, 000. C) 27, 000. D) 23, 000. Show Answer Correct Answer: A) 42, 000. 10. Choose the correct word for the definition:"the number and variety of plant and animal species that exist in a particular environmental area" A) Diversity. B) Biodiversity. C) Drought. D) Biodegradable. Show Answer Correct Answer: B) Biodiversity. 11. What caused the Chernobyl nuclear disaster in 1986? A) An earthquake that shook the power plant. B) An explosion and fire at a nuclear reactor. C) A flood that drowned the electrical system. D) A war that damaged the plant. Show Answer Correct Answer: B) An explosion and fire at a nuclear reactor. 12. What solution has the United Kingdom implemented to reduce air pollution? A) Laws that require automobiles to produce less exhaust. B) Laws that require people to fish. C) Water power and solar power. D) None of the above. Show Answer Correct Answer: A) Laws that require automobiles to produce less exhaust. 13. Rapid population growth in India has resulted in what? A) Unemployment. B) Poverty. C) Food Shortages. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. This river is nicknamed "China's Sorrow" because flooding from the river has caused more deaths than any other river in the world. A) Yellow River. B) Yangtze River. C) Indus River. D) Ganges River. Show Answer Correct Answer: A) Yellow River. 15. Other ways to reduce ..... are to spend less time washing your hands and to reuse rainwater for toilets. A) Pollution. B) Acid rain. C) Water waste. D) Floods. Show Answer Correct Answer: C) Water waste. 16. What is the Ozone Layer? A) It stops most of the harmful UV rays from hitting Earth, while letting the warm sunshine pass through. B) All the answers are correct. C) It sits between the Sun and us. D) An invisible layer of protective gases that circle the earth. Show Answer Correct Answer: B) All the answers are correct. 17. Oysters being grown in mesh bags to make an artificial reef or fish being raised in nets offshore in the ocean are both examples of ..... A) Biodiversity. B) Fishery Area. C) Clear-Cutting. D) Aquaculture. E) Selective Cutting. Show Answer Correct Answer: D) Aquaculture. 18. Less than (a) is available to Southwest Asia's population of the world's fresh water supply. A) A. 1%. B) 5%. C) 20%. D) 50%. Show Answer Correct Answer: A) A. 1%. 19. This happens naturally to maintain our planet's temperature. A) Greenhouse effect. B) Global warming. C) Geyser eruptions. D) Surface Absorption. Show Answer Correct Answer: A) Greenhouse effect. 20. Is the practice of managing the use of resources wisely so the resources last longer. A) Conservation. B) Bedrock. C) Erosion. D) Litter. Show Answer Correct Answer: A) Conservation. 21. How can urbanization contribute to environmental degradation? A) Urbanization reduces the need for transportation. B) Urbanization promotes sustainable farming practices. C) Urbanization leads to increased biodiversity. D) Urbanization contributes to environmental degradation through habitat destruction, pollution, and increased waste. Show Answer Correct Answer: D) Urbanization contributes to environmental degradation through habitat destruction, pollution, and increased waste. 22. What is the primary cause of the current increase in global sea levels? A) Melting of polar ice caps. B) Increased rainfall. C) Expansion of seawater as it warms. D) Increased river discharge. Show Answer Correct Answer: C) Expansion of seawater as it warms. 23. Which of the following is a health problem people were exposed to from the nuclear disaster in Chernobyl? A) Thyroid cancer. B) High IQ levels. C) Mental health illness. D) None of the above. Show Answer Correct Answer: A) Thyroid cancer. 24. Algae grow rapidly when certain nutrients are added to the water supply causing an algal bloom. Eutrophication describes the process of adding nutrients to the water supply. What human activity is most responsible for the eutrophication that leads to algal blooms? A) Burning fossil fuels. B) Disposing of pesticides. C) Fertilizer for food crops. D) None of the above. Show Answer Correct Answer: C) Fertilizer for food crops. 25. Which significant event in 1986 has caused lasting environmental issues in Ukraine? A) A nuclear catastrophe at a major power plant in the country. B) Increased dependence on unsustainable farming methods. C) The removal of regulations aimed at reducing industrial emissions. D) A rapid population growth following a civil war period. Show Answer Correct Answer: A) A nuclear catastrophe at a major power plant in the country. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 16 Environmental Issues Quiz 1Class 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 10Class 12 Biology Chapter 16 Environmental Issues Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books