This quiz works best with JavaScript enabled. Home > Environment > Soil And Agriculture – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Soil And Agriculture Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When there are not enough plants to hold topsoil in place, water and ..... carry the topsoil away, leaving the subsoil exposed A) Sunlight. B) Birds. C) Magnetic fields. D) Wind. Show Answer Correct Answer: D) Wind. 2. Sustainable agriculture is important because while human population continues to grow, which of the following will not? A) Animal population. B) Arable land. C) Food production. D) GM crops. Show Answer Correct Answer: B) Arable land. 3. These are some problems that are associated with agriculture Except A) Land tenure, Marketing, technical knowledge. B) Rural infrastructure, credit, praedial larceny. C) Climate, topography, trade. D) Subsidies, biotechnology, genetic engineering. Show Answer Correct Answer: D) Subsidies, biotechnology, genetic engineering. 4. Which is neither a Kharif nor a Rabi crop? A) Cotton. B) Pulses. C) Sugarcane. D) Ragi. Show Answer Correct Answer: C) Sugarcane. 5. The type of soil formed is determined by ..... horizon. A) C horizon (subsoil). B) R horizon (regolith/bedrock). C) A horizon (topsoil). D) O horizon (humus). Show Answer Correct Answer: B) R horizon (regolith/bedrock). 6. What can you do to promote sustainable food production A) Eat less meat. B) Buy certified organic products. C) Eat locally grown food. D) All of these. Show Answer Correct Answer: D) All of these. 7. Decomposition is important because it A) Gets rid of dead organisms. B) Returns nutrients to the soil. C) Creates soil. D) Is a part of the circle of life. Show Answer Correct Answer: B) Returns nutrients to the soil. 8. "A tree root was found wrapped around a large mass of rock splitting it into smaller pieces" the scenario BEST describes which aspect of weathering? A) Chemical. B) Physical. C) Abrasion. D) Biological. Show Answer Correct Answer: D) Biological. 9. A farmer interested in raising healthy crops should look for a A) Heavy clay soil with a high pH and a dark color. B) Loamy soil with a low pH and a light color. C) Loamy, clumpy soil with a neutral pH and a dark color. D) Sandy soil with a high pH, no clumps, and a light color. Show Answer Correct Answer: C) Loamy, clumpy soil with a neutral pH and a dark color. 10. You would expect to find most farmers who use GM crops living in A) Relatively poor, undeveloped countries. B) Countries with strong environmental protection laws. C) Countries with weak environmental laws. D) Relatively wealthy, developed country. Show Answer Correct Answer: D) Relatively wealthy, developed country. 11. Fermentation period of fortified organic fertilizer. A) 20 days. B) 1 1/2 weeks. C) 13 days. D) 1 week. Show Answer Correct Answer: A) 20 days. 12. The soil that we know now was formed by A) Rocks. B) Weathered rock fragments with organic matter, water and air. C) Inorganic materials from rocks. D) None of the above. Show Answer Correct Answer: B) Weathered rock fragments with organic matter, water and air. 13. No rain at all for a long period of time causes? A) Drought. B) Flood. C) Earthquake. D) None of these. Show Answer Correct Answer: A) Drought. 14. When land becomes more desertlike because of human activity or climate change. A) Erosion. B) Desertification. C) Salinization. D) Compost. Show Answer Correct Answer: B) Desertification. 15. The most fertile soil is known as? A) Alluvial soil. B) Red soil. C) Black soil. D) All of these. Show Answer Correct Answer: A) Alluvial soil. 16. Groundnuts and Pulses are grown in which soil? A) Red soil. B) Black soil. C) Desert soil. D) Alluvial soil. Show Answer Correct Answer: A) Red soil. 17. What can you add to a compost pile to help the organic material decompose? A) Food Scraps. B) Water. C) Sticks. D) Earthworms. Show Answer Correct Answer: D) Earthworms. 18. Which type of soil can hold the greatest amount of water? A) Sand. B) Silt. C) Clay. D) Loam. Show Answer Correct Answer: C) Clay. 19. CHOOSE the option which BEST describes non-conventional farming systems: A) System that utilises natural ways of growing crops. B) An agricultural practice that incorporates the use of natural methods namely organic farming, hydroponics, and grow boxes to produce healthy crops for consumption and the environment. C) A system of farming that utilizes inorganic chemicals such as pesticides to spray crops. D) All of the above. Show Answer Correct Answer: B) An agricultural practice that incorporates the use of natural methods namely organic farming, hydroponics, and grow boxes to produce healthy crops for consumption and the environment. 20. The process of soil formation takes how many years? A) Ten. B) Hundred. C) Thousand. D) Millions. Show Answer Correct Answer: D) Millions. ← PreviousNext →Related QuizzesSoil And Agriculture Quiz 1Soil And Agriculture Quiz 3Soil And Agriculture Quiz 4Soil And Agriculture Quiz 5Soil And Agriculture Quiz 6Agriculture And Environment QuizEnvironmental Science QuizSustainable Agriculture Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books