This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which type of pesticide is used to kill or control insects? A) Herbicides. B) Fungicides. C) Insecticides. D) Pesticides. Show Answer Correct Answer: C) Insecticides. 2. What is bioaccumulation or biomagnification? A) Buildup of toxins in an organism. B) The total mass/amount of organisms in a given area. C) The number of different species in an area. D) None of the above. Show Answer Correct Answer: A) Buildup of toxins in an organism. 3. How much more basic is a solution that is 5 pH than 3 pH? A) 2. B) 10. C) 100. D) 1000. Show Answer Correct Answer: C) 100. 4. Smoking interferes with the lungs' ability to provide what to the rest of the body? A) Oxygen. B) Ammonia. C) Water. D) Carbon dioxide. Show Answer Correct Answer: A) Oxygen. 5. Human activities such as burning fossil fuels is contributing too ..... A) The green house gas effect. B) The enhanced climate change effect. C) The enhanced green house effect. D) None of the above. Show Answer Correct Answer: C) The enhanced green house effect. 6. Ozone layer depletion has A) An ionic mechanism. B) A free radical mechanism. C) No mechanism. D) None of the above. Show Answer Correct Answer: B) A free radical mechanism. 7. What is oxidation number of Na in Na$^{+}$? A) -1. B) 0. C) +1/2. D) +1. Show Answer Correct Answer: D) +1. 8. What is the main cause for the increase in Carbon Dioxide gas? A) Plants. B) Burning fossil fuels. C) Evaporation of water. D) Cow farming. Show Answer Correct Answer: B) Burning fossil fuels. 9. The best way to determine if a substance is an acid or a base is to use a(n) A) Taste test. B) Acid-base indicator. C) PH scale. D) Acid-base neutralizer. Show Answer Correct Answer: B) Acid-base indicator. 10. What is a greenhouse gas naturally present in the atmosphere that is increased by human activities? A) Carbon dioxide. B) Nitrogen gas. C) Ozone. D) Helium. Show Answer Correct Answer: A) Carbon dioxide. 11. Alternative energy sources that help mitigate acid rain: A) Wind and solar energy. B) Coal power. C) Diesel engines. D) Biomass burning. Show Answer Correct Answer: A) Wind and solar energy. 12. Apa saja sumber utama emisi gas rumah kaca? A) Produksi energi solar. B) Generasi energi angin. C) Proses daur ulang. D) Sumber utama emisi gas rumah kaca adalah pembakaran bahan bakar fosil, deforestasi, proses industri, dan pertanian. Show Answer Correct Answer: D) Sumber utama emisi gas rumah kaca adalah pembakaran bahan bakar fosil, deforestasi, proses industri, dan pertanian. 13. Which of the following statements is not true about classical smog? A) Its main components are produced by the action of sunlight on emissions of automobiles and factories. B) Produced in cold and humid climate. C) It contains compounds of reducing nature. D) It contains smoke, fog and sulphur dioxide. Show Answer Correct Answer: A) Its main components are produced by the action of sunlight on emissions of automobiles and factories. 14. *Healthy water is determined by A) *dissolved oxygen, pH, which organisms are present. B) *clarity, turbidity, current. C) *dissolved oxygen, clarity, pH. D) *organisms present, turbidity, pH. Show Answer Correct Answer: A) *dissolved oxygen, pH, which organisms are present. 15. Natural resource depletion primarily occurs when: A) Resources are used faster than they regenerate. B) Resources are not used at all. C) Resources are used at the same rate they regenerate. D) Resources are artificially created. Show Answer Correct Answer: A) Resources are used faster than they regenerate. 16. What is the impact of water pollution on aquatic life? A) Water pollution severely harms aquatic life by causing toxicity, habitat destruction, and disruption of ecosystems. B) Aquatic life thrives in polluted waters due to increased food sources. C) Water pollution improves aquatic life by providing nutrients. D) Water pollution has no effect on aquatic ecosystems. Show Answer Correct Answer: A) Water pollution severely harms aquatic life by causing toxicity, habitat destruction, and disruption of ecosystems. 17. What are the chemical used as coagulant in water treatment plant? A) Hydrogen peroxide and bleach. B) Chlorine and sodium. C) Vinegar and baking soda. D) Aluminum sulfate and iron(III) sulfate. Show Answer Correct Answer: D) Aluminum sulfate and iron(III) sulfate. 18. Which of the following is an example of a non-point source of pollution? A) A drainpipe. B) A fertilized field. C) A smokestack. D) The exhaust pipe on a truck driving across the province. Show Answer Correct Answer: B) A fertilized field. 19. The factor changing within the experiment A) Independent variable. B) Dependent variable. C) Control variable. D) Constant. Show Answer Correct Answer: A) Independent variable. 20. The chemical used in wet scrubbing of SO2 is: A) CaCO3 or Ca(OH)2. B) NaCl. C) NH3. D) HCl. Show Answer Correct Answer: A) CaCO3 or Ca(OH)2. 21. This value indicates the acidity of a solution. It is also a measure of the concentration of Hydrogen ions in a solution. A) Acidity. B) Basic. C) PH. D) HP. Show Answer Correct Answer: C) PH. 22. Which of the following is a atmospheric nitrogen? A) NO$_{3}$$^{-}$. B) NO$_{2}$$^{-}$. C) N$_{2}$. D) NH$_{3}$. Show Answer Correct Answer: C) N$_{2}$. 23. If a blue litmus paper is placed in an acid, the paper will turn: A) Blue. B) Red. C) Purple. D) None of the above. Show Answer Correct Answer: B) Red. 24. *Nitrogen Oxides cause A) Asthma. B) Smog. C) Acid Rain. D) Death. Show Answer Correct Answer: B) Smog. 25. Without the Greenhouse Effect the Earth would be A) Warm. B) Cold. C) Dead. D) None of the above. Show Answer Correct Answer: B) Cold. ← 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 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 10Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books