This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 48 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 48 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In an experiment to test the effects of acid rain on plant growth, which variable would be considered the independent variable? A) The type of plant used. B) The amount of sunlight. C) The pH level of the rainwater. D) The growth rate of the plant. Show Answer Correct Answer: C) The pH level of the rainwater. 2. What role do nitrogen-fixing bacteria play in the nitrogen cycle? A) They convert nitrogen into oxygen. B) They convert atmospheric nitrogen into a usable form for plants. C) They remove nitrogen from the soil. D) They produce carbon dioxide for plants. Show Answer Correct Answer: B) They convert atmospheric nitrogen into a usable form for plants. 3. What is the rate of Nitrogen in the 15-10-5 fertilizer? A) 15. B) 10. C) 5. D) None of the above. Show Answer Correct Answer: A) 15. 4. How can water pollution effect animals and humans? A) It makes them happy. B) It makes them sick. C) It makes them sleepy. D) It makes them tired. Show Answer Correct Answer: B) It makes them sick. 5. Which of the following is a method to reduce land pollution? A) Improper waste disposal. B) Ignoring waste management. C) Using biodegradable materials. D) Increasing fertilizer use. Show Answer Correct Answer: C) Using biodegradable materials. 6. How do scientists obtain ice cores? A) They drill them out of the ground of cold areas. B) They freeze water samples collected from warm areas. C) They freeze water samples that they create using carbon injection. D) They just find them. Show Answer Correct Answer: A) They drill them out of the ground of cold areas. 7. What is the function of nitrogen in plant growth? A) Increases disease resistance. B) Makes seeds. C) Produces a healthy green color. D) Decrease of growth. Show Answer Correct Answer: C) Produces a healthy green color. 8. Identify biotic processes that affect the pH of water I. Synthesis of sulfides II. Wet deposition III. Dissolution of carbonates IV. Nitrification A) I, II. B) II, III. C) I, IV. D) III, IV. Show Answer Correct Answer: C) I, IV. 9. The air is mainly made up of ..... A) Nitrogen. B) Oxygen. C) Carbon dioxide. D) None of the above. Show Answer Correct Answer: A) Nitrogen. 10. What had to be applied in order to make buried organic matter into fossil fuels? A) Industrial Pollution. B) Ocean Currents. C) Volcanic Activity. D) Heat and pressure. Show Answer Correct Answer: D) Heat and pressure. 11. How do human activities contribute to the decline of biodiversity? A) Promoting wildlife tourism and conservation efforts. B) Planting more trees in urban areas. C) Human activities contribute to biodiversity decline through habitat destruction, pollution, overfishing, and urbanization. D) Increased rainfall and natural disasters. Show Answer Correct Answer: C) Human activities contribute to biodiversity decline through habitat destruction, pollution, overfishing, and urbanization. 12. What is one of the goals of green chemistry? A) To enhance chemical reactions. B) To promote fossil fuel use. C) To minimize hazardous substances. D) To increase hazardous waste. Show Answer Correct Answer: C) To minimize hazardous substances. 13. Which of the following materials is most affected by acid rain? A) Plastic. B) Glass. C) Marble. D) Iron. Show Answer Correct Answer: C) Marble. 14. What are the essential minerals required in the algae bloom? A) Iron, copper, and zinc. B) Carbon, oxygen, and hydrogen. C) Nitrogen, phosphorus, and potassium. D) Sodium, calcium, and magnesium. Show Answer Correct Answer: C) Nitrogen, phosphorus, and potassium. 15. During the purification process, filtration separates the A) Solid purities. B) Solid impurities. C) All the above. D) None of the above. Show Answer Correct Answer: B) Solid impurities. 16. After completing the job of painting the neighbours' house, you were asked to properly dispose of all the leftover paint products. The best way to dispose of the paint and paint thinner is to A) Freeze it for use on another project. B) Take it to a hazardous waste collection site. C) Dilute it with lots of water and pour it down the drain. D) Put it into the solid waste garbage so it can be taken to a sanitary landfill site. Show Answer Correct Answer: B) Take it to a hazardous waste collection site. 17. What are the common chemical reactions involved in ozone formation? A) Ozone is created by the reaction of nitrogen and carbon dioxide. B) Ozone is produced by the interaction of sulfur dioxide and water vapor. C) Ozone is formed through the photodissociation of O2 and subsequent reactions with atomic oxygen. D) Ozone forms through the combustion of fossil fuels in the atmosphere. Show Answer Correct Answer: C) Ozone is formed through the photodissociation of O2 and subsequent reactions with atomic oxygen. 18. A common gas that we find dissolved in seawater is A) Krypton. B) Neon. C) Oxygen. D) Carbon tetrachloride. Show Answer Correct Answer: C) Oxygen. 19. How do livestock contribute to greenhouse gas emissions? A) Livestock contribute to greenhouse gas emissions through enteric fermentation, manure management, and feed production. B) Livestock contribute to greenhouse gas emissions through solar power generation. C) Livestock contribute to greenhouse gas emissions through water conservation practices. D) Livestock contribute to greenhouse gas emissions through wind energy production. Show Answer Correct Answer: A) Livestock contribute to greenhouse gas emissions through enteric fermentation, manure management, and feed production. 20. The following question was posed to the residents of a small community: "Are you willing to have a 3% tax increase to pay for an upgrade to the water treatment facility?" This question reflects which viewpoint? A) Technological. B) Political. C) Economic. D) Scientific. Show Answer Correct Answer: B) Political. 21. Batteries and accumulators are examples of which cells? A) Electrolytic. B) Anode. C) Electron. D) Galvanic. Show Answer Correct Answer: D) Galvanic. 22. What two products does neutralization produce? A) Neutralization produces oxygen and carbon dioxide. B) Neutralization produces nothing. C) Neutralization produces sugar and salt. D) Neutralization produces water and salt. Show Answer Correct Answer: D) Neutralization produces water and salt. 23. This type of nutrient is needed in larger amounts and includes proteins, fats, and carbohydrates A) Carbohydrate. B) Micronutrient. C) Mineral. D) Macronutrient. Show Answer Correct Answer: D) Macronutrient. 24. In the context of environmental chemistry, what does the term 'biodegradable' mean? A) A substance that can be broken down by natural processes. B) A substance that is resistant to chemical breakdown. C) A substance that is toxic to living organisms. D) A substance that can be recycled indefinitely. Show Answer Correct Answer: A) A substance that can be broken down by natural processes. 25. What is DDT among the following? A) Green house gas. B) A fertilizer. C) Biodegradable pollutant. D) Non-biodegradable pollutant. Show Answer Correct Answer: D) Non-biodegradable pollutant. ← 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