This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 16 Environmental Issues – Quiz 62 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 16 Environmental Issues Quiz 62 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the harmful effects of air pollution on human health? A) Improved lung function. B) The harmful effects of air pollution on human health include respiratory diseases, cardiovascular diseases, and premature death. It can also worsen existing health conditions such as asthma and bronchitis. C) Increased immunity. D) Enhanced cardiovascular health. Show Answer Correct Answer: B) The harmful effects of air pollution on human health include respiratory diseases, cardiovascular diseases, and premature death. It can also worsen existing health conditions such as asthma and bronchitis. 2. Which pollution will cause FEWER FISH? A) Water pollution. B) Air pollution. C) Light pollution. D) Deforestation. Show Answer Correct Answer: A) Water pollution. 3. Lakes, smaller regions, and underground aquifers have been contaminated by pollution in what river basin? A) Ganges River. B) Yangtze River. C) Huang He River. D) Indus River. Show Answer Correct Answer: B) Yangtze River. 4. Which is NOT a new type of energy Germany is using to power it's factories, in an effort to reduce pollution and acid rain? A) Wind Power. B) Solar Power. C) Coal Power. D) Hydroelectric Power (using water as a power source). Show Answer Correct Answer: C) Coal Power. 5. Which is the main source of air pollution TODAY in the United Kingdom? A) Vehicle emissions. B) Logging and mining. C) Acid rain. D) Burning coal or other fossil fuels. Show Answer Correct Answer: A) Vehicle emissions. 6. Which problem is associated with too much carbon dioxide in the air? A) Algal bloom. B) Breathing problems. C) Cooler air trapped at Earth's surface. D) Oil slicks on the Caribbean coastline. Show Answer Correct Answer: B) Breathing problems. 7. What does 'Permeable' mean? A) Able to be passed through. B) Contaminants. C) To reduce or soften. D) To accumulate or gather. Show Answer Correct Answer: A) Able to be passed through. 8. BOD (Biological Oxygen Demand) is: A) Amount of oxygen consumed by microorganisms for decaying organic matter per unit volume of water. B) Amount of CO$_{2}$ consumed by microorganisms for decaying sewage water. C) Amount of oxygen required for plants to survive. D) Amount of oxygen consumed by microorganisms to survive. Show Answer Correct Answer: A) Amount of oxygen consumed by microorganisms for decaying organic matter per unit volume of water. 9. How has the overuse of fertilizers and pesticides affected water supplies in many countries? A) Water supplies have been contaminated by the chemicals through runoff from the fields. B) Use of chemical fertilizers means crops must be watered constantly. C) Enormous amounts of water must be used to produce chemical fertilizers. D) Chemical fertilizers have had very little effect on local water supplies in SW Asia. Show Answer Correct Answer: A) Water supplies have been contaminated by the chemicals through runoff from the fields. 10. What is an effect of water pollution in the Great Lakes? A) Algal Bloom. B) Acid Rain. C) Land Slides. D) Floods. Show Answer Correct Answer: A) Algal Bloom. 11. Which of these BEST describes "loess" ? A) Lava damage. B) Air pollution. C) Silt deposits. D) Water erosion. Show Answer Correct Answer: C) Silt deposits. 12. When industrial waste is thrown in water it causes ..... pollution. A) Air. B) Land. C) Water. D) None of the above. Show Answer Correct Answer: C) Water. 13. What environmental problem is exacerbated by airborne pollution in China? A) Earthquakes. B) Acid rain. C) Tsunamis. D) Sandstorms. Show Answer Correct Answer: B) Acid rain. 14. Extinct A) No longer existing or lost forever (of an animal, bird or plant species.). B) A chemical that's sprayed on crops to stop insects from destroying them. C) A substance or material that damages the natural environment. D) The contamination of the environment, esp. by industrial waste products and chemicals like pesticides. Show Answer Correct Answer: A) No longer existing or lost forever (of an animal, bird or plant species.). 15. Why does the Indian side of the Himalayan Mountains have more vegetation than the Chinese side? A) Better climate on the Indian side. B) Lower temperatures on the Indian side. C) The Himalayas trap rain clouds on the Indian side. D) The Tibetan Plateau helps trap rain clouds on the Chinese side. Show Answer Correct Answer: C) The Himalayas trap rain clouds on the Indian side. 16. Thickness of ozone is measured in A) Decibel. B) Dozen. C) Dobson. D) Meter. Show Answer Correct Answer: C) Dobson. 17. Incineration means ..... A) Rainwater falling on a dump dissolved chemicals from the wastes forming a polluted liquid. B) The wastes produced in homes, businesses, schools and the community. C) The burning of solid waste. D) Any material that can be harmful to human health or the environment if it is not properly disposed. Show Answer Correct Answer: C) The burning of solid waste. 18. What is one of the most serious environmental problems in India? A) Water pollution. B) Air pollution. C) Soil erosion. D) Deforestation. Show Answer Correct Answer: B) Air pollution. 19. What is described when it is said that almost one billion people, roughly one person out of every 8, do not have access to clean water. A) Unequal access to water. B) Annual flooding. C) Famine. D) Desertification. Show Answer Correct Answer: A) Unequal access to water. 20. To supply water to land or crops. A) Irrigation. B) Desertification. C) Agriculture. D) Deforestation. Show Answer Correct Answer: A) Irrigation. 21. How have the citizens of oil-rich countries benefitted from their oil supplies? A) Citizens of oil rich countries no longer have to work to earn a living. B) Having oil has made very little difference in the lives of citizens in oil-rich countries. C) Oil wealth has improved their standard of living, leading to better education, housing, and health. D) They no longer have to be a member of OPEC. Show Answer Correct Answer: C) Oil wealth has improved their standard of living, leading to better education, housing, and health. 22. What is the main cause of airpollution around the Great Lakes? A) Nuclear reactor explosion. B) Over extraction of minerals. C) Deforestation. D) Auto and factory emissions. Show Answer Correct Answer: D) Auto and factory emissions. 23. The process of clearing a forest for human resources A) Lumber. B) Hydroelectric dams. C) Biodiversity. D) Deforestation. E) Rainforest. Show Answer Correct Answer: D) Deforestation. 24. Rubbish should be sorted into different bags for ..... A) Recycling. B) Bins. C) Bottle banks. D) None of the above. Show Answer Correct Answer: A) Recycling. 25. The Southeastern Anatolia Project has greatly reduced the amount of water reaching Syria by ..... %. A) 30. B) 35. C) 40. D) 45. Show Answer Correct Answer: C) 40. ← 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