This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is not a renewable energy source? A) Geothermal. B) Wind. C) Oil. D) Solar. Show Answer Correct Answer: C) Oil. 2. Which option correctly matches the term with its description:hazardous chemicals? A) Substances that spread out from high to low concentration. B) Substances that can harm health or the environment. C) Elements plants and animals need, like nitrogen and phosphorus. D) Chemicals that always have a pH of 7. Show Answer Correct Answer: B) Substances that can harm health or the environment. 3. Which international treaty indirectly controls acid deposition? A) Montreal Protocol. B) Kyoto Protocol. C) Gothenburg Protocol. D) Stockholm Convention. Show Answer Correct Answer: C) Gothenburg Protocol. 4. *Ground Level Ozone causes: A) Asthma. B) Smog. C) Acid Rain. D) Death. Show Answer Correct Answer: A) Asthma. 5. Which of the following is an advantage of hard water? A) Causes limescale. B) Provides calcium for teeth and bones. C) Wastes soap. D) Is corrosive. Show Answer Correct Answer: B) Provides calcium for teeth and bones. 6. Which of the following concentrations is higher? A) 0.2 ppm. B) 2.2 ppm. C) 20.2 ppm. D) 200 ppm. Show Answer Correct Answer: D) 200 ppm. 7. What is found to be an effective material to make municipal and industrial waste water clean? A) Powder of kernel of tamarind seeds. B) Carbon dioxide. C) Chlorine. D) Calcium hypochlorite. Show Answer Correct Answer: A) Powder of kernel of tamarind seeds. 8. What is the main purpose of using catalytic converters in vehicles? A) To increase fuel efficiency. B) To reduce noise pollution. C) To convert harmful gases into less harmful substances. D) To improve engine performance. Show Answer Correct Answer: C) To convert harmful gases into less harmful substances. 9. What should be done to ensure a site is no longer dangerous to human health and the environment? A) Increase industrial activity. B) Ensure the solution worked. C) Ignore environmental regulations. D) Expand the site. Show Answer Correct Answer: B) Ensure the solution worked. 10. Harmful UV-radiation is blocked by ozone layer in the A) Mesosphere. B) Troposphere. C) Stratosphere. D) Thermosphere. Show Answer Correct Answer: C) Stratosphere. 11. Why is water vapor not included in the composition of dry air? A) It is not a gas. B) It is highly reactive. C) It varies in amount from place to place. D) It is not found in the atmosphere. Show Answer Correct Answer: C) It varies in amount from place to place. 12. Which of these is a well known carcinogen often found in mine tailings? A) Lead. B) Mercury. C) Asbestos. D) Arsenic. Show Answer Correct Answer: D) Arsenic. 13. What is the primary cause of smog formation in urban areas? A) High humidity. B) Vehicle emissions. C) Natural vegetation. D) Ocean currents. Show Answer Correct Answer: B) Vehicle emissions. 14. What is the role of yeast in the materials list? A) To act as a cleaning agent. B) To represent oil. C) To be used in bioremediation. D) To change the color of the water. Show Answer Correct Answer: C) To be used in bioremediation. 15. A metal (Metal Y) reacts with both copper sulfate solution and zinc sulfate solution. What does this indicate about its reactivity? A) It is more reactive than both zinc and copper. B) It is less reactive than both zinc and copper. C) It is more reactive than copper but less reactive than zinc. D) It is more reactive than zinc but less reactive than copper. Show Answer Correct Answer: A) It is more reactive than both zinc and copper. 16. What might happen if oil reaches land, based on the experiment's context? A) It evaporates immediately. B) It remains stuck to surfaces. C) It turns into water. D) It becomes solid. Show Answer Correct Answer: B) It remains stuck to surfaces. 17. Liming is the term given to the process of adding lime to the environment to decrease its pH A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. Which action reduces your carbon footprint? A) Driving alone. B) Burning coal. C) Using LED bulbs. D) Wasting food. Show Answer Correct Answer: C) Using LED bulbs. 19. Which is NOT an effect of an increase in global temperatures? A) Rise in ocean levels. B) Stronger hurricanes. C) Changes in the amount of rainfall. D) Diversification of animal species. Show Answer Correct Answer: D) Diversification of animal species. 20. *What depletes ozone (O3)? A) DDT. B) CFC's. C) Greenhouse Gases. D) Sunlight. Show Answer Correct Answer: B) CFC's. 21. The burning of fossil fuels releases large quantities of A) Sulfur. B) Carbon dioxide. C) Oxygen. D) Methane. Show Answer Correct Answer: B) Carbon dioxide. 22. What gas makes up 21% of Earth's Atmosphere? A) Nitrogen. B) Oxygen. C) Ozone. D) None of the Above. Show Answer Correct Answer: B) Oxygen. 23. The main reason we need carbohydrates is because A) They are delicious. B) They store energy. C) They are the main source of energy. D) They help protect organs. Show Answer Correct Answer: C) They are the main source of energy. 24. Undissolved material from your kitchen bathroom or laundry A) Sewage. B) Effluent. C) Storm water. D) Run off. Show Answer Correct Answer: A) Sewage. 25. The extinction of lion tailed Macaque is one of the factors that led to the movement of A) Save Ganga Movement. B) Bishnoi Movement. C) Silent Valley Movement. D) ChipkoMovement. Show Answer Correct Answer: C) Silent Valley Movement. ← 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 8Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 9Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 10Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books