This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 11 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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) Probably true. C) False. D) Probably false. Show Answer Correct Answer: C) False. 2. ..... 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. 3. 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. 4. Which of the following soil types would contain the most nutrients? A) Soil with many large rock particles. B) Soil with bedrock close to the surface. C) Soil that drains well through it. D) Soil with decomposed organic material. Show Answer Correct Answer: D) Soil with decomposed organic material. 5. 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. 6. What is the process of rocks being broken down over time called? A) Weathering. B) Accumulation. C) Condensation. D) Evaporation. Show Answer Correct Answer: A) Weathering. 7. Lowering the pH makes nutrients ..... available to plants. A) Less. B) Equally. C) More. D) None of above. Show Answer Correct Answer: A) Less. 8. Alluvial soils are moved by ..... A) Wind. B) Water. C) Gravity. D) Glaciers. Show Answer Correct Answer: B) Water. 9. 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. 10. 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. 11. 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. 12. 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. 13. Which part of the flower is the peduncle? A) Flower stem. B) Leaves. C) Roots. D) Carrot. Show Answer Correct Answer: A) Flower stem. 14. This is found in the topsoil and is made of decaying plants and animals. A) Dirt. B) Water. C) Humus. D) Subsoil. Show Answer Correct Answer: C) Humus. 15. Horizon O had three sub-horizons namely:Oi, Oe and Oa. Choose which of the following is the correct paired of sample according to the decomposition. A) Oi- hemic. B) Oa- fibric. C) Oe- sapric. D) Oi- fibric. Show Answer Correct Answer: D) Oi- fibric. 16. Which layer of soil often contains litter? A) The A horizon. B) The B horizon. C) The C horizon. D) The bedrock. Show Answer Correct Answer: A) The A horizon. 17. Which of the following crops are grown primarily to provide feed for livestock? A) Field crops. B) Forage crops. C) Row crops. D) Vegetable crops. Show Answer Correct Answer: B) Forage crops. 18. Under the subsoil layer is a layer of rock called ..... A) Bedrock. B) This is too hard Alby. C) Parent rock. D) None of the above. Show Answer Correct Answer: C) Parent rock. 19. If a plant is placed in a pot that contains sandy soil, what will happen when the plant is watered? A) The soil will hold the water. B) The water will puddle on top of the soil. C) The water will drain through the soil quickly. D) The water will immediately dry up. Show Answer Correct Answer: C) The water will drain through the soil quickly. 20. What language is used for scientific classification? A) English. B) Latin. C) Spanish. D) French. Show Answer Correct Answer: B) Latin. ← PreviousNext →Related QuizzesSoil Science 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 7Fundamentals Of Soil Science Quiz 8Fundamentals Of Soil Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books