This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sweet clover poisoning involves what symptom? A) Discoloration of the skin. B) Vomiting. C) Blindness. D) Hemorrhages. Show Answer Correct Answer: D) Hemorrhages. 2. The name of the liquid created when water seeps through soil, dissolving compounds along the way ..... A) Effluent. B) Leachate. C) Run off. D) Contaminant. Show Answer Correct Answer: B) Leachate. 3. What is the role of carbohydrates in nutrition? A) Structural molecule for the body. B) Energy source for metabolism. C) Storage for unused chemical energy. D) None of the above. Show Answer Correct Answer: B) Energy source for metabolism. 4. Rain or snow containing acid compounds from the air A) Alkaline precipitation. B) Acid precipitation. C) Neutralization. D) None of the above. Show Answer Correct Answer: B) Acid precipitation. 5. What are the primary sources of air pollution? A) Household cleaning products. B) Plastic waste disposal. C) Industrial emissions, vehicle exhaust, burning of fossil fuels, agricultural activities, natural sources (wildfires, volcanic eruptions). D) Noise pollution from traffic. Show Answer Correct Answer: C) Industrial emissions, vehicle exhaust, burning of fossil fuels, agricultural activities, natural sources (wildfires, volcanic eruptions). 6. Which principle is NOT part of green chemistry? A) Atom economy. B) Prevention of waste. C) Design for degradation. D) Use of toxic substances. Show Answer Correct Answer: D) Use of toxic substances. 7. Which energy source is considered carbon neutral? A) Fossil fuels. B) Biomass. C) Coal. D) Natural gas. Show Answer Correct Answer: B) Biomass. 8. Dissolved Oxygen, Acidity, and Heavy Metals in water are all examples of A) Biological Indicators. B) Chemical Indicators. C) Pesticides. D) Soil Contaminants. Show Answer Correct Answer: B) Chemical Indicators. 9. What is oxidation number of Mn in MnO$_{2}$? A) -2. B) 0. C) +2. D) +4. Show Answer Correct Answer: D) +4. 10. What role does Sodium play in the human body? A) Regulates nerve impulses in nerves and muscles. B) Regulates calcium deposition. C) Regulates metabolism as part of thyroid hormone. D) Regulates oxygen transport in red blood cells. Show Answer Correct Answer: A) Regulates nerve impulses in nerves and muscles. 11. Which of the following is lost as heat during energy transfer between trophic levels? A) 10% of energy. B) 50% of energy. C) 90% of energy. D) 100% of energy. Show Answer Correct Answer: C) 90% of energy. 12. What is the recommended number of servings of vegetables and fruit per day for children aged 4-8? A) 4. B) 5. C) 6. D) 7. Show Answer Correct Answer: B) 5. 13. The combining of an acid and a base to produce salt and water A) Catalytic conversion. B) Eutrophication. C) Precipitation. D) Neutralization. Show Answer Correct Answer: D) Neutralization. 14. What is an example of non-persistent chemical waste? A) Mercury. B) Sewage. C) Plastic. D) Oil. Show Answer Correct Answer: B) Sewage. 15. LD50 is the standard used to compare the toxicity of any substance. LD50 means that ..... A) 50 animals would die if they consume a dose of the toxic substance. B) 50% of the animals would die if they consume a dose of the toxic substance. C) 50% of the test population of animals would die if they consume a specific dose of the toxic substance. D) 50% of the test population of animals would die if they consume any amount of the toxic substance. Show Answer Correct Answer: C) 50% of the test population of animals would die if they consume a specific dose of the toxic substance. 16. Which is the best explanation of how fertilizer runoff from a farm might affect a nearby waterway? A) The fertilizer will poison the fish. B) The fertilizer will cause the fish to grow. C) The fertilizer will cause an algae bloom. D) The fertilizer will kill algae. Show Answer Correct Answer: C) The fertilizer will cause an algae bloom. 17. Water pollution includes A) Organisms in water that cause disease. B) Water that is too cold. C) High amounts of dissolved oxygen. D) All of these options. Show Answer Correct Answer: A) Organisms in water that cause disease. 18. Mixing an acid and a base will result in a pH of A) 7-neutral. B) 12-Basic. C) 4-acidic. D) 9-neutral. Show Answer Correct Answer: A) 7-neutral. 19. In which part of the atmosphere O3 is present? A) Mesosphere. B) Stratosphere. C) Troposphere. D) Lithosphere. Show Answer Correct Answer: B) Stratosphere. 20. ..... causes health problems leading to epidemics due to contamination of groundwater. A) Poor waste management. B) Proper waste management. C) Dumping wastes on land. D) Dumping waste in sewerages. Show Answer Correct Answer: A) Poor waste management. 21. Complete combustion happens when methane reacts with plenty of oxygen to form the products ..... A) Carbon dioxide and water. B) Carbon monoxide and water. C) Carbon and water. D) None of the above. Show Answer Correct Answer: A) Carbon dioxide and water. 22. Name the gas produced in complete combustion? A) Hydrogen. B) Carbon monoxide. C) Carbon dioxide. D) Nitrogen. Show Answer Correct Answer: C) Carbon dioxide. 23. According to the pH scale, which value represents a neutral solution? A) 0. B) 3. C) 7. D) 10. Show Answer Correct Answer: C) 7. 24. What is one of the primary effects of acid rain on the environment? A) It increases the pH level of soil. B) It causes the corrosion of buildings and monuments. C) It enhances plant growth. D) It reduces the amount of sunlight reaching the Earth. Show Answer Correct Answer: B) It causes the corrosion of buildings and monuments. 25. The study if the shapes and features of the Earth's surface A) Photography. B) Topography. C) Geography. D) Lithography. Show Answer Correct Answer: B) Topography. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 1Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 2Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 3Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 4Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 5Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 6Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 7Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 8Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 9Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books