This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 47 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Acid rain exposure primarily affects which human system? A) Digestive system. B) Respiratory system. C) Endocrine system. D) Nervous system. Show Answer Correct Answer: B) Respiratory system. 2. Plants use what gas in photosynthesis? A) Carbon dioxide. B) Oxygen. C) Helium. D) None of the above. Show Answer Correct Answer: A) Carbon dioxide. 3. International efforts to reduce harmful emissions, as noted in the material, aim to: A) Increase use of chlorofluorocarbons (CFCs) to thicken the ozone layer. B) Eliminate monitoring to cut costs. C) Reduce harmful emissions and protect the atmosphere using agreements and technological advances. D) Focus only on local smog events. Show Answer Correct Answer: C) Reduce harmful emissions and protect the atmosphere using agreements and technological advances. 4. One method to reduce sulfur dioxide emitted into the air is to use smokestack scrubbers in industrial plants and electrical generating plants.Based on the information above, the practice of using smokestack scrubbers would most directly result in a reduction of A) Algal blooms. B) Acid rain production. C) Ozone layer depletion. D) Groundwater contamination. Show Answer Correct Answer: B) Acid rain production. 5. Water molecules are attracted to other kinds of molecules because of the property. A) Cohesion. B) Adhesion. C) Surface Tension. D) Universal Solvent. Show Answer Correct Answer: B) Adhesion. 6. Which of the following is a common method for measuring the acidity of rainwater? A) Litmus test. B) PH meter. C) Titration. D) Spectroscopy. Show Answer Correct Answer: B) PH meter. 7. At what time did global warming start to occur? A) Last year. B) At the beginning of the last decade. C) Around the time of the Industrial Revolution. D) None of the above. Show Answer Correct Answer: C) Around the time of the Industrial Revolution. 8. A yellow precipitate formed when an unknown solution is added to silver nitrate and nitric acid indicates the presence of which ion? A) Iodide. B) Chloride. C) Bromide. D) Fluoride. Show Answer Correct Answer: A) Iodide. 9. Movement of molecules in the opposite direction of diffusion (energy is required) A) Diffusion. B) Active transport. C) Osmosis. D) Hydrolysis. Show Answer Correct Answer: B) Active transport. 10. Which of the following sets of evidence supports global warming? A) CO$_{2}$ levels rising. B) Sea Levels rising. C) Glacier mass decreasing. D) All of the Above. Show Answer Correct Answer: D) All of the Above. 11. Identify a feature of epilimnion. A) Temperature decreases sharply. B) Water is more dense. C) Minor mixing occurs. D) It is a transition zone. Show Answer Correct Answer: C) Minor mixing occurs. 12. Organic compound needed for growth and repair, found in steak and chicken ..... A) Carbohydrates. B) Lipids. C) Proteins. D) Amino acids. Show Answer Correct Answer: C) Proteins. 13. Which of these contributes to acid rain? A) HCl. B) NaOH. C) CaO. D) SO$_{2}$. Show Answer Correct Answer: D) SO$_{2}$. 14. The major anthropogenic sources of SO2 are: A) Automobiles. B) Coal combustion and smelting. C) Agriculture. D) Biomass burning only. Show Answer Correct Answer: B) Coal combustion and smelting. 15. Testable explanation for an observation A) Hypothesis. B) Theory. C) Law. D) Guess. Show Answer Correct Answer: A) Hypothesis. 16. In which part of the atmosphere, ozone layer is present? A) Stratosphere. B) Troposphere. C) Mesosphere. D) Thermosphere. Show Answer Correct Answer: A) Stratosphere. 17. Process used to breakdown large organic molecules during digestions ..... A) Diffusion. B) Active transport. C) Hydrolysis. D) Osmosis. Show Answer Correct Answer: C) Hydrolysis. 18. As a member of the community, your best contribution towards reducing environmental pollution is by ..... A) Taking part in a clean-up-the-neighbourhood activity. B) Taking part in the burning of community garbage. C) Taking part in a community bazaar. D) Taking part in an anti-plastic-bag marathon run. Show Answer Correct Answer: A) Taking part in a clean-up-the-neighbourhood activity. 19. What is the concept of ecological resilience? A) The concept of ecological resilience refers to the permanent alteration of ecosystems. B) The concept of ecological resilience is the ability of an ecosystem to expand indefinitely. C) The concept of ecological resilience is the ability of an ecosystem to withstand and recover from disturbances. D) The concept of ecological resilience is the inability of an ecosystem to adapt to changes. Show Answer Correct Answer: C) The concept of ecological resilience is the ability of an ecosystem to withstand and recover from disturbances. 20. Which of the following human activities contributes most to global warming? A) Afforestation. B) Fossil fuel combustion. C) Water conservation. D) Wildlife conservation. Show Answer Correct Answer: B) Fossil fuel combustion. 21. We take off the lids and rinse these items before we recycle them. A) Cardboard boxed. B) Newspapers. C) Old T-shirts. D) Plastic containers and bottles. Show Answer Correct Answer: D) Plastic containers and bottles. 22. Nitric acid in acid rain originates mainly from: A) N2O decomposition. B) NO2 oxidation. C) N2 fixation. D) NH3 hydrolysis. Show Answer Correct Answer: B) NO2 oxidation. 23. The surfaces of old concrete statues are often covered with small holes or pits. Which of these MOST LIKELY causes these holes or pits? A) The concrete becomes pitted as water freezes in small cracks in the statue. B) The concrete is chipped away by sand particles blown by strong winds. C) The concrete is chemically weathered by acid rain. D) Long exposure to sunlight causes the pits to form. Show Answer Correct Answer: C) The concrete is chemically weathered by acid rain. 24. Which metal can be extracted using carbon? A) Aluminium. B) Sodium. C) Iron. D) Potassium. Show Answer Correct Answer: C) Iron. 25. Considering the information above, a study of the mayfly can be useful to scientists, since it is a A) Species influenced by biomagnification. B) Species influenced by predation. C) Tolerant invertebrate species. D) Biological indicator species. Show Answer Correct Answer: D) Biological indicator species. ← 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