This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Soil Pollution – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Soil Pollution Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which layer of soil has the most humus? A) A horizon. B) Bedrock. C) Regolith. D) Subsoil. Show Answer Correct Answer: A) A horizon. 2. What impact does soil pollution have on humans? A) Makes them sick. B) Hurts feelings. C) Can cause so many diseases and cancers. D) Nothing. Show Answer Correct Answer: C) Can cause so many diseases and cancers. 3. Which layer in a soil profile would be most affected by weathering & erosion A) C horizon. B) R horizon. C) B horizon. D) A horizon. Show Answer Correct Answer: D) A horizon. 4. To save or to maintain natural resources. A) Conservation. B) Management. C) Resource depletion. D) Consumption. Show Answer Correct Answer: A) Conservation. 5. What gas does garbage release when it is buried? A) Carbon dioxide. B) Oxygen. C) Methane. D) None of above. Show Answer Correct Answer: C) Methane. 6. Which of the following is the largest particle in soil? A) Sand. B) Silt. C) Humus. D) Clay. Show Answer Correct Answer: A) Sand. 7. What could be the possible effects in the environment if there is an improper disposal of industrial waste? A) Climate Change due to CO2. B) Mass extinction of animals. C) Noise Pollution. D) Land Pollution. Show Answer Correct Answer: D) Land Pollution. 8. Which of the following soil pollutants is an example of a geogenic source? A) Cadmium. B) Lead. C) Mercury. D) Arsenic. Show Answer Correct Answer: D) Arsenic. 9. How much of the world's forest have been destroyed? A) 90%. B) 80%. C) 15%. D) 50%. Show Answer Correct Answer: B) 80%. 10. How can land pollution harm the environment? A) It can destroy the homes of animals. B) It can spoil the beauty of nature. C) All of the above. D) None of above. Show Answer Correct Answer: C) All of the above. 11. As a student, which of the following actions is NOT advisable to adopt to save the environment? A) Good agricultural practices. B) Proper wastes disposal. C) Dumping of domestic wastes. D) Using 5 R's. Show Answer Correct Answer: C) Dumping of domestic wastes. 12. What research focus was soil erosion? A) Effects on the Atmosphere. B) Effects on Climate. C) Population Growth. D) Effects on Water. E) Effects on Land. Show Answer Correct Answer: E) Effects on Land. 13. Energy generated in ways that do not deplete natural resources or harm the environment. A) Consumption. B) Alternative Energy. C) Interaction. D) Environment. Show Answer Correct Answer: B) Alternative Energy. 14. What is an alkaline soil? A) Alkaline soil. B) The soil is very dark. C) Salty soil. D) Acid soil. Show Answer Correct Answer: A) Alkaline soil. 15. Who can recycle? A) Your best friend. B) You. C) Teachers. D) Everyone. Show Answer Correct Answer: D) Everyone. 16. We should use shopping bags made of A) Plastics. B) Animal skin. C) Leather. D) Paper. Show Answer Correct Answer: D) Paper. 17. The color used to describe anything that is good for the environment. A) White. B) Green. C) Black. D) Blue. Show Answer Correct Answer: B) Green. 18. How does soil pollution affect plants? A) Raises the toxicity level in the plant. B) Can't be used. C) Hurts its feelings. D) Doesn't effect them. Show Answer Correct Answer: A) Raises the toxicity level in the plant. 19. What are the alternatives to using plastic bags for everyday shopping? A) Jute bag. B) Cloth bag. C) Paper bag. D) All of them. Show Answer Correct Answer: D) All of them. 20. How long does it take for plastic bottles to decompose? A) 400-450 years. B) 40-45 years. C) 400-450 days. D) 40-45 days. Show Answer Correct Answer: A) 400-450 years. 21. Something that is helpful to the environment or something that does not harm the environment. A) Eco-services. B) Eco-tourism. C) Eco-friendly. D) Eco-savvy. Show Answer Correct Answer: C) Eco-friendly. 22. What do you mean by pollutant? A) Materials that stop pollution. B) Materials that cause pollution. C) Materials that decrease pollution. D) None of the above. Show Answer Correct Answer: B) Materials that cause pollution. 23. One of the causes of land pollution is the leakage of contaminants from this, a place where solid wastes are buried. A) Incinerator. B) Garbage Dump. C) Landfill. D) Compost. Show Answer Correct Answer: C) Landfill. 24. Chemicals entered in the soil increases the A) Fertlity. B) Salinity. C) Nutrients. D) None of above. Show Answer Correct Answer: B) Salinity. 25. What is a soil horizon? A) What the soil looks like from a distance. B) Information about the properties of a soil. C) The border between soil and bedrock. D) A layer in the soil with its own chemical and physical properties. Show Answer Correct Answer: D) A layer in the soil with its own chemical and physical properties. 26. What are the smallest particles that make up soil called? A) Sand. B) Bedrock. C) Clay. D) Humus. Show Answer Correct Answer: C) Clay. 27. What process by man exploits soil? A) Digging machines. B) Kids digging in their sand box. C) Mining and deforestation. D) Landfills. Show Answer Correct Answer: C) Mining and deforestation. 28. Which of the following is not a substance used to solve soil pollution problems? A) CaSO$_{4}$. B) CaCO$_{3}$. C) Ca(OH)$_{2}$. D) NH$_{4}$SO$_{4}$. Show Answer Correct Answer: A) CaSO$_{4}$. 29. Gases that trap and keep heat within the earth therefore contributing to global warming. A) Greenhouse gases. B) Natural gases. C) Waste gases. D) Thermal gases. Show Answer Correct Answer: A) Greenhouse gases. 30. The planet looses ..... billion tons of top soil each year A) 94. B) 24. C) 54. D) 84. Show Answer Correct Answer: B) 24. 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