This quiz works best with JavaScript enabled. Home > Agriculture > Soil Conservation > Methods > Soil Conservation – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Soil Conservation Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plant roots can cause weathering by A) Making it rain on the rock. B) Plants keep the rock cool, making it freeze and thaw. C) Growing under the rock. D) Growing in the cracks of rocks. This causes the crack to widen and break the rock into smaller pieces. Show Answer Correct Answer: D) Growing in the cracks of rocks. This causes the crack to widen and break the rock into smaller pieces. 2. The Grand Canyon was formed by ..... A) Water and flowing rivers wearing away the rock. B) Wind deposited sand and silt, forming mountains. C) Rivers carried sand and deposited, over time this formed mountains. D) Rain fell really hard, forming the canyon. Show Answer Correct Answer: A) Water and flowing rivers wearing away the rock. 3. Sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps, for the purposes of more effective farming A) Terracing. B) Contour farming. C) Planting vegetation. D) Strip cropping. Show Answer Correct Answer: A) Terracing. 4. ..... when farmers plant different crops in order to use less nutrients from the soil. A) Soil Conservation. B) Crop Rotation. C) Soil Erosion. D) None of above. Show Answer Correct Answer: B) Crop Rotation. 5. As lava or magma cools, a(n) ..... is formed. A) Sedimentary rock. B) Rock cycle. C) Igneous rock. D) Metamorphic rock. Show Answer Correct Answer: C) Igneous rock. 6. River Hwang Ho is also known as ..... A) Blessing of China. B) Wealth of China. C) Sorrow of China. D) Happiness of China. Show Answer Correct Answer: C) Sorrow of China. 7. Which layer of the soil cannot be weathered? A) A Horizon. B) R Horizon. C) B Horizon. D) C Horizon. Show Answer Correct Answer: B) R Horizon. 8. Type of rock and humidity effect ..... A) The Dust Bowl. B) New soil formation. C) Bedrock. D) Climate formation. Show Answer Correct Answer: B) New soil formation. 9. The protection of Natural Resources is called A) Renewable resource. B) Luster. C) Conservation. D) Rock cycle. Show Answer Correct Answer: C) Conservation. 10. Which is an example of erosion caused by human activity? A) WInd erosion. B) Ice erosion. C) Overgrazing. D) Water erosion. Show Answer Correct Answer: C) Overgrazing. 11. ..... a way of growing crops without disturbing the soil through tillage. A) No-Till Farming. B) Crop Cover. C) Vegetative Cover. D) None of above. Show Answer Correct Answer: A) No-Till Farming. 12. Name the river that is called as "SORROW OF BIHAR" A) River Beas. B) River Kosi. C) River Kaveri. D) River Ganga. Show Answer Correct Answer: B) River Kosi. 13. Continuous hills made in a field to stop water fromrunning off the field and causing erosion. A) No-Till Farming. B) Cover Crop. C) Terraces. D) Contour Farming. Show Answer Correct Answer: C) Terraces. 14. What layer of soil will you find topsoil? A) R Horizon. B) B Horizon. C) O Horizon. D) A Horizon. Show Answer Correct Answer: D) A Horizon. 15. Terrace farming is a method common in ..... region. A) Plains. B) Mountain. C) Forest. D) Coastal. Show Answer Correct Answer: B) Mountain. 16. No-till farming is ..... A) Not plowing the soil before planting new crops. B) Plowing the soil 8-12 inches deep to allow air and water to penetrate. C) When strips of legumes and strips of row crops are planted. D) None of above. Show Answer Correct Answer: A) Not plowing the soil before planting new crops. 17. Which of the following statements is not true about fertilizers? A) Both inorganic and organic add N, P, and K to soil. B) Both types add humus to soil which adds carbon and structure to soil. C) Both inorganic and fertilizer can increase crop yields by enriching soil fertility. D) It is easier for inorganic to leach into a surface body of water by runoff. Show Answer Correct Answer: B) Both types add humus to soil which adds carbon and structure to soil. 18. When is " Earth Day " Celebrated every year? A) 10 August. B) 22 april. C) 15 july. D) 28 may. Show Answer Correct Answer: B) 22 april. 19. Which of the following is a disadvantage of no-till? A) It reduces biodiversity. B) It can allow weeds to persist. C) It reduces the soil structure. D) It is more expensive. Show Answer Correct Answer: B) It can allow weeds to persist. 20. What is the difference between contour plowing and conservation plowing A) Contour plowing saves energy, while conservation plowing reduces waste. B) Contour plowing reduces waste, while Conservation plowing saves energy. C) There is no difference, they both do the same thing. D) They have different names, therefore they are different. Show Answer Correct Answer: A) Contour plowing saves energy, while conservation plowing reduces waste. 21. When farmers plow so that the plowing is not straight up and down the hill it will slow down erosion. This is called. A) Hill side plowing. B) Plowing. C) Contour plowing. D) Erosion proof plowing. Show Answer Correct Answer: C) Contour plowing. 22. What is it called when you plow across the slope of hills? A) Crop-rotation. B) Contour plowing. C) Terracing. D) No-till farming. Show Answer Correct Answer: B) Contour plowing. 23. In order for crop rotation to be success, which of the following must be true? A) You must alternate what is planted every two years on a plot of land. B) You must alternate fruit, root, and leafy vegetables every three years. C) A soybean, pea, or other legume plant must be included in the rotation. D) Crop rotation is only done in alley cropping. Show Answer Correct Answer: C) A soybean, pea, or other legume plant must be included in the rotation. 24. In rain forests plants have ..... A) Deep roots. B) Wide roots. C) No roots. D) None of above. Show Answer Correct Answer: A) Deep roots. 25. A solid natural material made from nonliving substances in the ground is a A) Gem. B) Mineral. C) Soil. D) Pollution. Show Answer Correct Answer: B) Mineral. 26. Cutting all the trees and plants can cause A) More homes for wildlife. B) Decreased carbon dioxide levels. C) Urban sprawl. D) Increased soil erosion. Show Answer Correct Answer: D) Increased soil erosion. 27. Roots of a plant growing through a rock and breaking it into smaller pieces is an example of ..... A) Erosion. B) Abrasion. C) Mechanical weathering. D) Chemical weathering. Show Answer Correct Answer: C) Mechanical weathering. 28. Covering the soil with bark, wood chips, dry leaves, and other organic material, to conserve the soil A) Planting vegetation. B) Matting. C) Terracing. D) Mulching. Show Answer Correct Answer: D) Mulching. 29. Which of the following can be used as fertilizer that increases pH and makes soil nutrients more accessible? A) Organic material. B) Water. C) Lime. D) Humus. Show Answer Correct Answer: C) Lime. 30. What conservation method refers to forming steps in a hill to prevent water erosion? A) Contour plowing. B) Terrace farming. C) Windbreaks. D) Strip cropping. Show Answer Correct Answer: B) Terrace farming. ← PreviousNext →Related QuizzesSoil Conservation QuizzesAgriculture QuizzesSoil Conservation Quiz 1Soil Conservation Quiz 2Soil Conservation Quiz 3Soil Conservation Quiz 5Soil Conservation Quiz 6Soil Conservation Quiz 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books