This quiz works best with JavaScript enabled. Home > Agriculture > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This is a termed used for A, B and C horizons. A) Regolith. B) Solum. C) Saprolite. D) Ligolith. Show Answer Correct Answer: A) Regolith. 2. Which property of soil can be described with the words, "smooth, " and "rough"? A) Shape. B) Texture. C) Size. D) None of above. Show Answer Correct Answer: B) Texture. 3. This type of soil does not hold water A) Loam. B) Sand. C) Clay. D) None of above. Show Answer Correct Answer: B) Sand. 4. The cells produced via meiosis are called: A) Skin cells. B) Sex cells. C) Body cells. D) Somatic cells. Show Answer Correct Answer: B) Sex cells. 5. In which bin would you deposit a plastic toy? A) C. B) B. C) D. D) A. Show Answer Correct Answer: C) D. 6. What is a synonym for soil conservation? A) Neglect. B) Destruction. C) Protection. D) Waste. Show Answer Correct Answer: C) Protection. 7. There are processes in chemical weathering, distinguish which process did this statement belongs "incorporation of water molecules into the structure of minerals". A) Oxidation. B) Hydrolysis. C) Carbonazation. D) Hydration. Show Answer Correct Answer: D) Hydration. 8. Students poured 200 mL of water through a soil sample. They collected and measured the water that drained out of the soil. The water collected measure 110 mL. How much water did the soil retain? A) 110 mL. B) 90 mL. C) 310 mL. D) 200 mL. Show Answer Correct Answer: B) 90 mL. 9. Determine the moisture content of the soil. Given the mass of the wet soil = 450 g, the mass of dry soil = 353 g. A) 12%. B) 27 %. C) 22 %. D) 78 %. Show Answer Correct Answer: B) 27 %. 10. Which soil feels sticky when wet? A) Sand. B) Loam. C) Clay. D) None of above. Show Answer Correct Answer: C) Clay. 11. What can erosion lead to? A) Landslides. B) Pollution. C) Flooding. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. Which method is suitable to obtain the field density for silt & clay A) Sand replacement method. B) Core cutter method. C) Field compaction using grid roller. D) Field compaction using the smooth wheeled roller. Show Answer Correct Answer: B) Core cutter method. 13. Which of the following is a macronutrient? A) Boron. B) Manganese. C) Calcium. D) Iron. Show Answer Correct Answer: C) Calcium. 14. Subsoil layer is made of ..... A) Sand and clay. B) Silt and sand. C) Gravels and stones. D) Large rocks. Show Answer Correct Answer: C) Gravels and stones. 15. Clay is a type of soil that can be used in: A) Pottery. B) Sand boxes. C) Recipes. D) None of above. Show Answer Correct Answer: A) Pottery. 16. Minerals found in the B horizon were dissolved in water and carried there by a process called A) Weathering. B) Oxidation. C) Littering. D) Leaching. Show Answer Correct Answer: D) Leaching. 17. Soil texture is determined by ..... A) Its origins. B) The percent of each grain size. C) Their porosity & permeability. D) Its composition. Show Answer Correct Answer: B) The percent of each grain size. 18. What is the layer of rock that is below the soil? A) Topsoil. B) Humus. C) Bedrock. D) Subsoil. Show Answer Correct Answer: C) Bedrock. 19. Bulk density is a measure of compaction or looseness of the soil, therefore, the higher the bulk density is an indication of higher porosity. A) True. B) False. C) Probably true. D) Probably false. Show Answer Correct Answer: B) False. 20. ..... is the breaking down of rocks, soils, and minerals, etc. A) Weathering. B) Soil profile. C) Soil. D) All of the above. Show Answer Correct Answer: A) Weathering. 21. This rock was formed when molten rock cooled into a solid. What type of rock is it? A) Igneous Rock. B) Metamorphic Rock. C) Sedimentary Rock. D) None of above. Show Answer Correct Answer: A) Igneous Rock. 22. Which of the following soil types would contain the most nutrients? A) Soil with many large rock particles. B) Soil that drains well through it. C) Soil with decomposed organic material. D) Soil with bedrock close to the surface. Show Answer Correct Answer: C) Soil with decomposed organic material. 23. How does climate affect soil formation? A) Weather. B) Climate Reaction. C) Sunlight. D) Temperature speeds up or slows down chemical reactions. Show Answer Correct Answer: D) Temperature speeds up or slows down chemical reactions. 24. What is the process of rocks being broken down over time called? A) Weathering. B) Accumulation. C) Evaporation. D) Condensation. Show Answer Correct Answer: A) Weathering. 25. Lowering the pH makes nutrients ..... available to plants. A) Less. B) Equally. C) More. D) None of above. Show Answer Correct Answer: A) Less. 26. Alluvial soils are moved by ..... A) Water. B) Wind. C) Gravity. D) Glaciers. Show Answer Correct Answer: A) Water. 27. Which is NOT a sign of poor drainage A) Surface water. B) Yellow leaves. C) Rushes, buttercups and other weeds. D) Soil warms quickly. Show Answer Correct Answer: D) Soil warms quickly. 28. Which of the following is the BEST way to test a soil's ability to hold water? A) Adding soil to a beaker full of water and seeing if the soil sinks. B) Pouring water through a funnel of soil and seeing how much water drips out. C) Stirring soil into a bowl of water and seeing if the soil disappears. D) Mixing water with a pile of soil and seeing if the water changes temperature. Show Answer Correct Answer: B) Pouring water through a funnel of soil and seeing how much water drips out. 29. Which of the following types of soil has the largest particles? A) Sand. B) Silt. C) Humus. D) Clay. Show Answer Correct Answer: A) Sand. 30. What material is found on the surface of the earth consisting of a mixture of rock, sand, clay, dead plants, and animal remains? A) Humus. B) Soil. C) Rocks. D) None of above. Show Answer Correct Answer: B) Soil. ← PreviousNext →Related QuizzesSoil Science QuizzesAgriculture QuizzesFundamentals Of Soil Science Quiz 1Fundamentals Of Soil Science Quiz 2Fundamentals Of Soil Science Quiz 3Fundamentals Of Soil Science Quiz 4Fundamentals Of Soil Science Quiz 5Fundamentals Of Soil Science Quiz 6Fundamentals Of Soil Science Quiz 8Fundamentals Of Soil Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books