This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choose a statement that best describes humic substances. A) It causes lakes to be eutrophic. B) It increases the sediment in a river. C) It can biodegrade quickly. D) It slows down internal production. Show Answer Correct Answer: D) It slows down internal production. 2. Which of the following is NOT a source of CO? A) Incomplete combustion. B) Biodegradation of methane. C) Photodegradation of methane. D) Attack of VOCs by OH radicals. Show Answer Correct Answer: B) Biodegradation of methane. 3. Acidification of lakes results in: A) Algal bloom. B) Biodiversity loss. C) Increased oxygen content. D) Neutral pH. Show Answer Correct Answer: B) Biodiversity loss. 4. What is the study of the environment, its living and nonliving components, and the interactions of these components? A) Physics. B) Environmental Science. C) Chemistry. D) Biology. Show Answer Correct Answer: B) Environmental Science. 5. Apa efek pestisida terhadap spesies non-target? A) Pestisida hanya mempengaruhi spesies target dan tidak berdampak pada yang lain. B) Pestisida meningkatkan kesehatan spesies non-target dengan memberikan nutrisi. C) Pestisida dapat membahayakan spesies non-target dengan menyebabkan toksisitas, gangguan reproduksi, dan penurunan populasi. D) Pestisida tidak berpengaruh pada siklus reproduksi spesies manapun. Show Answer Correct Answer: C) Pestisida dapat membahayakan spesies non-target dengan menyebabkan toksisitas, gangguan reproduksi, dan penurunan populasi. 6. During cellular respiration, what is the primary form of energy produced? A) Light energy. B) Kinetic energy. C) ATP (chemical energy). D) Heat energy. Show Answer Correct Answer: C) ATP (chemical energy). 7. "15-30-15" refers to what on a bag of fertilizer? A) Percentage of major nutrients (N-P-K). B) Mass of major nutrients (N-P-K). C) Percentage of minor nutrients (Ca-Mg-S). D) Mass of minor nutrients (Ca-Mg-S). Show Answer Correct Answer: A) Percentage of major nutrients (N-P-K). 8. Suatu industri pelapisan logam menghasilkan limbah cair kromium (Cr6+). Berdasarkan konsep AMDAL, kombinasi komponen dokumen yang paling relevan untuk menganalisis dan menangani masalah ini adalah ..... A) KA-ANDAL (tanpa analisis laboratorium) + PIL. B) ANDAL (prediksi dampak kimia) + RKL (reduksi Cr6+ $\rightarrow$ Cr3+) + RPL (monitoring AAS). C) PIL (data umum) + SPPL. D) RKL (tanpa baseline) + UKL-UPL. Show Answer Correct Answer: B) ANDAL (prediksi dampak kimia) + RKL (reduksi Cr6+ $\rightarrow$ Cr3+) + RPL (monitoring AAS). 9. An igneous rock containing large crystals is most likely a(n) A) Chemical Rock. B) Foliated Rock. C) Extrusive Rock. D) Intrusive Rock. Show Answer Correct Answer: D) Intrusive Rock. 10. Which item should you NOT put in your compost pile? A) Food scraps. B) Autumn leaves. C) Wood chips. D) Plastic. Show Answer Correct Answer: D) Plastic. 11. Apparent deflection of moving objects when they are viewed from a rotating frame of reference A) Angular momentum. B) Coriolis force. C) Gravitation. D) Induction. Show Answer Correct Answer: B) Coriolis force. 12. What is the significance of discussing misconceptions in environmental chemistry? A) To reinforce incorrect ideas. B) To clarify understanding. C) To limit student engagement. D) To avoid complex topics. Show Answer Correct Answer: B) To clarify understanding. 13. Which of the following is NOT a topic of interest mentioned in the document? A) Water Treatment. B) Waste Management. C) Astronomy. D) Pollution. Show Answer Correct Answer: C) Astronomy. 14. What does the prefix "bio-" mean? A) Non living. B) Abiotic. C) Living. D) Sugar. Show Answer Correct Answer: C) Living. 15. What is the primary cause of eutrophication in water systems? A) Nitrate fertilizers. B) Phosphate detergents. C) Untreated sewage. D) Heavy metal ions. Show Answer Correct Answer: A) Nitrate fertilizers. 16. Which units are commonly used to express concentrations of chemicals in water? A) Grams per liter (g/L) only. B) Parts per million (ppm), parts per billion (ppb), and parts per trillion (ppt). C) Moles per kilogram (mol/kg) only. D) Milliliters per minute (mL/min). Show Answer Correct Answer: B) Parts per million (ppm), parts per billion (ppb), and parts per trillion (ppt). 17. Why can carbon extract some metals? A) It is less reactive. B) It melts metals. C) It oxidises them. D) It adds electrons. Show Answer Correct Answer: A) It is less reactive. 18. An organic nutrient, made of carbon, hydrogen and oxygen A) Carbohydrate. B) Vitamin. C) Lipid. D) Protein. Show Answer Correct Answer: A) Carbohydrate. 19. Identify a FALSE statement about polychlorinated dibenzo compounds. A) They have many chlorine atoms attached. B) They are xenobiotic. C) They are pyrogenic. D) They are geogenic. Show Answer Correct Answer: D) They are geogenic. 20. The structure that covers the roots to help them get the most contact with water in the soil is called: A) Root cap. B) Root hairs. C) Root cortex. D) Root epidermis. Show Answer Correct Answer: B) Root hairs. 21. What is the significance of the Paris Agreement in addressing greenhouse gas emissions? A) The Paris Agreement focuses on promoting fossil fuel consumption. B) The Paris Agreement has no impact on global warming. C) The Paris Agreement aims to limit global warming, requires countries to set climate targets, and promotes transparency and accountability. D) The Paris Agreement encourages countries to increase greenhouse gas emissions. Show Answer Correct Answer: C) The Paris Agreement aims to limit global warming, requires countries to set climate targets, and promotes transparency and accountability. 22. What is the relationship between nicotine and adrenaline? A) Nicotine removes adrenaline. B) Nicotine is a substitute for adrenaline. C) Nicotine triggers the release of adrenaline. D) Nicotine reduces the effect of adrenaline. Show Answer Correct Answer: C) Nicotine triggers the release of adrenaline. 23. The study of how humans interact with the environment ..... A) Environmental science. B) Geology. C) Astronomy. D) Meteorology. Show Answer Correct Answer: A) Environmental science. 24. A device that encourages complete oxidation during combustion reactions A) Catalytic converter. B) Scrubber. C) Flamethrower. D) Enzyme. Show Answer Correct Answer: A) Catalytic converter. 25. Below are examples of ores and minerals in combined state, except A) Fe$_{2}$O$_{3}$. B) Pt. C) ZnO. D) PbS. 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