This quiz works best with JavaScript enabled. Home > Agriculture > Soil Conservation > Methods > Soil Conservation – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Soil Conservation Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The fariming method in which the plant material remains in the field to decay over the winter is called ..... A) No-till. B) Terracing. C) Crop rotation. D) Contour. Show Answer Correct Answer: A) No-till. 2. Which soil texture do scientists believe to be the "ideal soil"? A) 30% Sand, 40% Silt, 30 % Clay. B) 45% Sand, 5% Silt, 50% Clay. C) 40% Sand, 40% Silt, 20% Clay. D) 25% Sand, 25% Silt, 50% Clay. Show Answer Correct Answer: C) 40% Sand, 40% Silt, 20% Clay. 3. If you were to put the 3 types of soil in a tube, which would fall to the bottom first? A) Clay. B) Humus. C) Sand. D) Silt. Show Answer Correct Answer: C) Sand. 4. Over time, a large boulder has gotten smaller and smoother. Why has the rock changed? A) Wind and water have weathered the boulder, wearing away it's surface. B) The boulder wanted to smooth out its wrinkles. C) The boulders layers have cemented together. D) The heat of the Sun smoothed the boulder out. Show Answer Correct Answer: A) Wind and water have weathered the boulder, wearing away it's surface. 5. Soil is mostly conserved by A) Afforestation. B) Deforestation. C) Overgrazing. D) None of above. Show Answer Correct Answer: A) Afforestation. 6. The lowermost layer of the soil is called: A) Weathered Rock. B) Parent Rock. C) Sub Soil. D) None of these. Show Answer Correct Answer: B) Parent Rock. 7. The process that breaks down rocks and other materials into tiny pieces on Earth's surface is called A) Weathering. B) Decomposition. C) Soil conservation. D) Erosion. Show Answer Correct Answer: A) Weathering. 8. Why is soil is a valuable resource? A) Is important to all living things on land. B) Contains sand and gravel. C) Is rich in decomposers. D) Has all three soil horizons. Show Answer Correct Answer: A) Is important to all living things on land. 9. What type of process forms soil? A) Erosion. B) Deposition. C) Weathering. D) Compaction. Show Answer Correct Answer: C) Weathering. 10. Mrs. Bennett has 2 soil samples. One soil sample is darker in color and the other is lighter in color. Which soil sample most likely has more organic matter? A) The lighter soil sample. B) Both have equal amounts. C) The darker soil sample. D) Neither, soil can't have organic matter. Show Answer Correct Answer: C) The darker soil sample. 11. Which of the following can cause weathering? A) Fertilizing the land. B) Minerals and humus. C) Water, wind, plants, and animals. D) None of above. Show Answer Correct Answer: C) Water, wind, plants, and animals. 12. Which of the following is not a source of organic fertilizer? A) Pellets of N-P-K. B) Animal manure or guano. C) Turning crop residue into a field. D) Compost. Show Answer Correct Answer: A) Pellets of N-P-K. 13. How are earthworms good for soil? A) Worms eat decayed material and break it down. B) They drink all of the water in the soil and dry it out. C) Worms break dance and break up rocks in the soil. D) Worms chemically weather rocks in the soil. Show Answer Correct Answer: A) Worms eat decayed material and break it down. 14. You notice that the leaves of a particular plant species are turning yellow and have stunted growth. Which nutrient chemical test will be low? A) Nitrogen. B) Phosphorus. C) Potassium. D) None of above. Show Answer Correct Answer: A) Nitrogen. 15. What is a problem all farmers face? A) Soil pollution. B) Soil spoiling. C) Soil hardening. D) Soil erosion. Show Answer Correct Answer: D) Soil erosion. 16. Which type of farming is used when planting along the natural shape of slopes of the land? A) Crop rotation. B) Terracing. C) Contour. D) No-till. Show Answer Correct Answer: C) Contour. 17. Farming with very little tilling of the soil to preventerosion. Stubble is left on the field for protection andorganic matter. A) Contour Farming. B) No-till Farming. C) Cover Crop. D) Wind Break. Show Answer Correct Answer: B) No-till Farming. 18. Which type of climate will have faster chemical weathering? A) Hot and Wet. B) Cold and Dry. C) Hot and Cold. D) Cold and Wet. Show Answer Correct Answer: A) Hot and Wet. 19. What is the soil conservation technique in which rows of trees are planted along the edges of a field to block the wind from eroding fields and trap the soil? A) Cover Crops. B) Windbreaks. C) Conservation Plowing. D) Terracing. Show Answer Correct Answer: B) Windbreaks. 20. What is something that you can put over your flower garden to keep the moisture in and slow soil erosion? A) Crop rotation. B) Mulch. C) No till farming. D) None of above. Show Answer Correct Answer: B) Mulch. 21. ..... when trees or shrubs are planted to act as a barrier to protect soil from wind erosion. A) Contour plowing. B) Windbreaks. C) Terracing. D) None of above. Show Answer Correct Answer: B) Windbreaks. 22. Which layer of soil has the most rocks and the least amount of organic matter? A) Organic layer. B) Bedrock. C) Subsoil. D) Topsoil. Show Answer Correct Answer: B) Bedrock. 23. Weathering and and living organisms activity combine to create ..... A) Bedrock. B) Minerals. C) Soil. D) Crystals. Show Answer Correct Answer: C) Soil. 24. Rows of trees planted around a farmstead or field toprotect it from the wind A) Windbreak. B) Terraces. C) Contour farming. D) Cover Crop. Show Answer Correct Answer: A) Windbreak. 25. Why would Farmer Joe use the conservation method of growing cover crops? A) Contour plowing. B) Terracing. C) To. D) To prevent weeds from growing, add nutrients to soil, and. Show Answer Correct Answer: D) To prevent weeds from growing, add nutrients to soil, and. 26. What threat to soil can cause compaction and soil pollution? A) Deforestation. B) Urbanization. C) Overgrazing. D) Farming. Show Answer Correct Answer: B) Urbanization. 27. The effects of soil erosion. A) Forest harvesting. B) Excess sediment. C) Overgrazing. D) All of the above. Show Answer Correct Answer: D) All of the above. 28. Which of the following would have more porosity? A) Sand. B) Gravel. C) Silt. D) Dust. Show Answer Correct Answer: B) Gravel. 29. What are the crops that are harvested in 3/4 of the U.S. soil? A) Avocados, mangos and coffee. B) Bananas, corn and sorghum. C) Sugar, pineapples and coconuts. D) Corn, cotton and wheat. Show Answer Correct Answer: D) Corn, cotton and wheat. 30. Which part of soil is fit for vegetation? A) Sub soil. B) Top soil. C) Weathered rock fragments. D) Clay soil. Show Answer Correct Answer: B) Top soil. ← PreviousNext →Related QuizzesSoil Conservation QuizzesAgriculture QuizzesSoil Conservation Quiz 1Soil Conservation Quiz 3Soil Conservation Quiz 4Soil Conservation Quiz 5Soil Conservation Quiz 6Soil Conservation Quiz 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books