This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Terapkan komponen KA-ANDAL dalam proses AMDAL untuk menentukan peran analis kimia di tahap awal. A) Melakukan audit keuangan proyek secara menyeluruh. B) Menyusun rencana sampling untuk parameter seperti pH, BOD, dan COD. C) Mengatur jadwal pelatihan untuk seluruh staf administrasi. D) Menyusun laporan pemasaran untuk promosi produk. Show Answer Correct Answer: B) Menyusun rencana sampling untuk parameter seperti pH, BOD, dan COD. 2. Which of the following was not a problem with DDT? A) DDT caused bioaccumulation. B) DDT caused biomonitoring. C) DDT caused biomagnification. D) DDT caused toxicity in different plants and animals. Show Answer Correct Answer: B) DDT caused biomonitoring. 3. Which of the following technologies uses light to break down materials such as plastics? A) Biomagnification. B) Phytoremediation. C) Photolysis. D) Biodegradation. Show Answer Correct Answer: C) Photolysis. 4. Which pollutant is responsible for photochemical smog? A) Carbon monoxide. B) Sulfur dioxide. C) Methane. D) Nitrogen oxides. Show Answer Correct Answer: D) Nitrogen oxides. 5. Which of the following is used to kill fungi in crops? A) Pesticides. B) Fungicides. C) Insecticides. D) Herbicides. Show Answer Correct Answer: B) Fungicides. 6. What is the main aim of launching SBM-U in India? A) Achieving 100% scientific management of solid waste. B) Eliminating open defecation. C) Both A and B. D) None of these. Show Answer Correct Answer: C) Both A and B. 7. A slimy mud-like substance is known as ..... A) Turbidity. B) Coagulant. C) Sludge. D) Floc. Show Answer Correct Answer: C) Sludge. 8. The key intermediate in photochemical oxidation of SO2 is: A) H2SO3. B) HSO3-. C) $SO4^2-$. D) SO3. Show Answer Correct Answer: B) HSO3-. 9. Diagnosis of phosphorous poisoning is made by all except A) Luminescent vomitus. B) Liver atrophy. C) Hypercalcemia. D) Hypokalemia. Show Answer Correct Answer: C) Hypercalcemia. 10. The Taj Mahal discoloration is primarily due to: A) Dust only. B) H2S. C) SO2 from nearby industries. D) CO2. Show Answer Correct Answer: C) SO2 from nearby industries. 11. The process whereby chemicals accumulate in the tissue of organisms higher up the food chain A) Biomagnification. B) Bioaccumulation. C) All the above. D) None of the above. Show Answer Correct Answer: A) Biomagnification. 12. Kim Kardashian decides to go get a procedure done that is called liposuction. What biomolecule is she manipulating the most in her body? A) Lipids. B) Carbohydrates. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: A) Lipids. 13. *pesticide would kill: A) Dandelions. B) Mosquitos. C) Weeds. D) Mushrooms. Show Answer Correct Answer: B) Mosquitos. 14. Which of the following is NOT a macronutrient essential for plant growth? A) Mercury. B) Nitrogen. C) Phosphorus. D) Calcium. Show Answer Correct Answer: A) Mercury. 15. What are the main sources of air pollution in urban areas? A) Public transportation, wildlife emissions, solar energy, and wind turbines. B) Household appliances, outdoor sports, tree pollen, and volcanic eruptions. C) Vehicle emissions, industrial discharges, construction activities, and residential heating. D) Agricultural runoff, waste disposal, natural dust storms, and ocean spray. Show Answer Correct Answer: C) Vehicle emissions, industrial discharges, construction activities, and residential heating. 16. What is the main source of methane emissions? A) Wind energy. B) Deforestation. C) Livestock farming. D) Coal mining. Show Answer Correct Answer: C) Livestock farming. 17. If a hammer were left out in the rain for several days, it would begin to rust. Is this a form of physical or chemical weathering? A) Physical. B) Chemical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chemical. 18. What is the main function of a catalytic converter in a car's exhaust system? A) To convert harmful pollutants (like CO and NOx) into less harmful gases. B) To improve the car's fuel efficiency. C) To remove sulfur from the fuel. D) To filter solid particulates (soot) from the exhaust. Show Answer Correct Answer: A) To convert harmful pollutants (like CO and NOx) into less harmful gases. 19. Organisms require nitrogen to make which of the following? A) Glucose and starch. B) Lipids and nucleic acids. C) Proteins and nucleic acids. D) Carbohydrates and proteins. Show Answer Correct Answer: C) Proteins and nucleic acids. 20. Is this chemical formula Organic or Inorganic?CHO$_{2}$ A) Organic. B) Inorganic. C) All the above. D) None of the above. Show Answer Correct Answer: A) Organic. 21. A chemical used to target and control moulds an fungi A) Fungicide. B) Herbicide. C) Insecticide. D) Pesticide. Show Answer Correct Answer: A) Fungicide. 22. By adding more greenhouse gases to the atmosphere, humans are ..... A) Decreasing the average temperature of Earth. B) Not affecting the average temperature of Earth. C) Increasing the average temperature of Earth. D) None of the above. Show Answer Correct Answer: C) Increasing the average temperature of Earth. 23. What is the purpose of the student exit survey mentioned in the document? A) To collect feedback. B) To apply for a job. C) To register for an event. D) To enroll in a new course. Show Answer Correct Answer: A) To collect feedback. 24. The inverse measure of the hydronium ions placed into a scale A) PH. B) Molarity. C) POH. D) Conductivity. Show Answer Correct Answer: A) PH. 25. What is the pH value of a neutral substance like water? A) 14. B) 7. C) 10. D) 0. Show Answer Correct Answer: B) 7. 26. Human activity is adding additional greenhouse gases to the amount that are in the atmosphere naturally A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 27. Acid rain indirectly affects human health through: A) Contaminated food and water. B) Noise pollution. C) UV exposure. D) Radiation. Show Answer Correct Answer: A) Contaminated food and water. 28. Complete the sentence.A substance that is more basic has a ..... pH than a substance that is acidic. A) Lower. B) Higher. C) The same. D) None of the above. Show Answer Correct Answer: B) Higher. 29. A chemical causing symptoms after only one exposure is said to have A) Chronic toxicity. B) Symptomatic toxicity. C) An LD50 of 1. D) Acute toxicity. Show Answer Correct Answer: D) Acute toxicity. 30. Which of the following gases is present in the lowest concentration in dry air? A) Neon. B) Oxygen. C) Krypton. D) Hydrogen. Show Answer Correct Answer: D) Hydrogen. 31. Which process in the water cycle involves the conversion of water from a liquid to a gas? A) Infiltration. B) Condensation. C) Precipitation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 32. Movement of molecules from an area of high concentration to an area of low concentration (no energy is required) A) Diffusion. B) Hydrolysis. C) Active transport. D) Osmosis. Show Answer Correct Answer: A) Diffusion. 33. Why can't we just eat soil to get the minerals we need? A) Soil contains harmful bacteria and parasites. B) Soil is not digestible by the human body. C) Soil lacks the essential nutrients in the right proportions. D) All of the above. Show Answer Correct Answer: D) All of the above. 34. What is the name of the atmospheric process which keeps the Earth warm by absorbing radiation from the Sun? A) Global warming. B) Greenhouse effect. C) Ozone depletion. D) None of the above. Show Answer Correct Answer: B) Greenhouse effect. 35. Which indicates a better water quality, a high or a low BOD? A) A low BOD. B) A high BOD. C) Both high and low BOD. D) BOD does not indicate water quality. Show Answer Correct Answer: A) A low BOD. 36. Eutrophication is when ..... A) A body of water gets too much nutrients. B) The amount of water decreased from a lake or pond. C) A body of water gets polluted by point-sources. D) A body of water gets overpopulated with fish. Show Answer Correct Answer: A) A body of water gets too much nutrients. 37. The natural process between the sun, the atmosphere and the Earth is called the A) Greenhouse gas. B) Greenhouse effect. C) Carbon emission. D) Earth's temperature. Show Answer Correct Answer: B) Greenhouse effect. 38. Bobby observed that a metal trash can was covered with rust. What type of weathering caused the rust on the trash can? A) Mechanical weathering. B) Wind weathering. C) Chemical weathering. D) Erosion weathering. Show Answer Correct Answer: C) Chemical weathering. 39. What does the 'N' in N-P-K fertilizer stand for? A) A) Nitrogen. B) B) Phosphorous. C) C) Potassium. D) None of the above. Show Answer Correct Answer: A) A) Nitrogen. 40. Which of the following is not affected by air pollution? A) Aquatic animals. B) Ecosystem. C) Crops. D) None. Show Answer Correct Answer: D) None. 41. A scientists is testing the quality of the water of a river near them. He takes 2 tests, 12 months apart. They found the amount of worm population has decreased between these times. They are using the worms as a ..... A) Aquatic invertebrate. B) Microbiological indicator. C) Biological indicator. D) Chemical indicator. Show Answer Correct Answer: C) Biological indicator. 42. Paper saturated with a chemical to show whether a substance is acidic or basic A) Acid-base paper. B) PH paper. C) BHA paper. D) Latimus paper. Show Answer Correct Answer: B) PH paper. 43. Acid deposition accelerates corrosion of: A) Limestone and marble. B) Granite. C) Plastic. D) Glass. Show Answer Correct Answer: A) Limestone and marble. 44. What is the pH value of a solution that is neutral? A) Greater than 7. B) Less than 7. C) Equal to 0. D) Equal to 7. Show Answer Correct Answer: D) Equal to 7. 45. Which of the following are not real processes. A) Biodegration. B) Phytroremediation. C) Bioremediation. D) Phytodegration. Show Answer Correct Answer: D) Phytodegration. 46. Petunjuk:Pilihlah jawaban yang paling tepat dengan memberi tanda silang (X) pada huruf A, B, C, atau D!Logam yang mengandung unsur besi (Fe) disebut sebagai ..... A) Logam berat. B) Logam anorganik. C) Logam non-ferro. D) Logam ferro. Show Answer Correct Answer: D) Logam ferro. 47. How is algae important for the ecology of our planet? A) Makes the ocean cooler. B) Helps make carbon dioxide. C) Producers in the food web. D) It filters the water to make it clean. Show Answer Correct Answer: C) Producers in the food web. 48. If we heat a sample of water, then the amount of oxygen dissolved will increase A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 49. Which air pollutant causes acid rain? A) Sulfur dioxide. B) Oxygen. C) Nitrogen gas. D) Methane. Show Answer Correct Answer: A) Sulfur dioxide. 50. What is the main source of sulfur oxides in the atmosphere? A) Ocean waves. B) Photosynthesis. C) Volcanic eruptions. D) Burning fossil fuels. Show Answer Correct Answer: D) Burning fossil fuels. 51. Electrochemistry is the study of reactions in which charged particles (ions or electrons) cross the interface between two phases of matter, typically a metallic phase (the electrode) and a conductive solution, or electrolyte. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 52. The nutrients that act mainly as an energy source for metabolism in your body are the A) Proteins. B) Lipids. C) Enzymes. D) Carbohydrates. Show Answer Correct Answer: D) Carbohydrates. 53. Modulus elastisitas merupakan ukuran dari ..... A) Kemampuan bahan menahan deformasi elastis akibat gaya luar. B) Kemampuan bahan menahan panas. C) Kemampuan bahan menghantarkan listrik. D) Kemampuan bahan terhadap reaksi kimia. Show Answer Correct Answer: A) Kemampuan bahan menahan deformasi elastis akibat gaya luar. 54. Which statement about air quality monitoring is supported by the material? A) It only records daily pollution peaks. B) It helps identify trends, seasonal changes, and long-term effects. C) It is unnecessary when industrial emissions are low. D) It focuses solely on greenhouse gases. Show Answer Correct Answer: B) It helps identify trends, seasonal changes, and long-term effects. 55. Odourless colourless gas that is made up of 3 oxygens, primarily a concern in large cities ..... A) Sulfur dioxide. B) Carbon monoxide. C) Carbon dioxide. D) Ozone. Show Answer Correct Answer: D) Ozone. 56. What does pH indicate? A) The temperature of a solution. B) The color of a solution. C) The density of a solution. D) The acidity of a solution. Show Answer Correct Answer: D) The acidity of a solution. 57. *A neutralization reaction always produces: A) *acid and a base. B) *carbon dioxide. C) *a salt and water. D) *calcium sulfate. Show Answer Correct Answer: C) *a salt and water. 58. True or False:Carbon dioxide and monoxide are organic since they contain carbon. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 59. Why carbon monoxide is toxic to us? A) Carbon monoxide binds to hemoglobin in the blood, reducing the amount of oxygen. B) Carbon monoxide is not toxic and has no effect on the body. C) Carbon monoxide is only toxic when inhaled in large quantities. D) Carbon monoxide is only toxic to certain individuals with pre-existing conditions. Show Answer Correct Answer: A) Carbon monoxide binds to hemoglobin in the blood, reducing the amount of oxygen. 60. The most useful chemical indicators of water quality are macroinvertebrates because they are sensitive to chemicals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books