This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Of Soil Science – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 12 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Soil Formation is - A) Slow process. B) Fast process. C) Rapid process. D) None of these. Show Answer Correct Answer: A) Slow process. 2. In which layer does the roots of the plants grow? A) Humus. B) Subsoil. C) Top soil. D) Bedrock. Show Answer Correct Answer: C) Top soil. 3. The tiny animal can be found in soil is ..... A) Elephant. B) Spider. C) Worm. D) Duck. Show Answer Correct Answer: C) Worm. 4. Where do rock particles in soil come from? A) Frozen water. B) Bigger rocks. C) The sky. D) Rain. Show Answer Correct Answer: B) Bigger rocks. 5. Which statement about climate and weather is correct? A) Weather is the amount of precipitation in an area, but climate takes other factors into account. B) Climate is the same all over the globe and weather differs from place to place. C) Climate is the average weather of an area. D) Weather is the average climate over a large area. Weather is the average climate over a large area. Show Answer Correct Answer: C) Climate is the average weather of an area. 6. Define Parent material. A) Parent material is the substance from which humus is formed. B) Parent material is the substance from which soil is formed. C) Parent material is the substance where water gets contaminated. D) Parent material is air, plants and water. Show Answer Correct Answer: B) Parent material is the substance from which soil is formed. 7. Which layer of soil is a combination of rocks and soil? A) Humus. B) Subsoil. C) Parent Material. D) Bedrock. Show Answer Correct Answer: C) Parent Material. 8. Two methods of soil conservation in farming are A) Reclamation and subsurface mining. B) Landscaping and nylon fencing. C) Selective harvesting and replanting. D) Contour plowing and windbreaks. Show Answer Correct Answer: D) Contour plowing and windbreaks. 9. Which of the following is not a type of rock? A) Igneous. B) Magma. C) Metamorphic. D) Sedimentary. Show Answer Correct Answer: B) Magma. 10. ..... takes place because of weathering of rocks. A) Mountains. B) Soil Formation. C) Rock Formation. D) None of the above. Show Answer Correct Answer: B) Soil Formation. 11. The shape and steepness of the landscape. A) Topography. B) Hill. C) Landslide. D) Volatile. Show Answer Correct Answer: A) Topography. 12. Which are the two main climatic factors responsible for soil formation? A) Ocean currents and Temperature. B) Temperature and Rainfall. C) Humidity and Rainfall. D) None of the above. Show Answer Correct Answer: B) Temperature and Rainfall. 13. What land capability class has severe restrictions but is still suitable for cultivation with careful management? A) Class 4. B) Class 5. C) Class 7. D) Class 8. Show Answer Correct Answer: B) Class 5. 14. Which type of soil has a reddish brown color? A) Sand. B) Loam. C) Clay. D) None of above. Show Answer Correct Answer: C) Clay. 15. Soil is a precious resource because it A) Is very expensive. B) Takes million years to form. C) Is very heavy. D) Cannot be moved easily. Show Answer Correct Answer: B) Takes million years to form. 16. What is the first stage of mitosis? A) Prophase. B) Telophase. C) Anaphase. D) Metaphase. Show Answer Correct Answer: A) Prophase. 17. What do we call the layers of soil? A) Deposits. B) Horizons. C) Minerals. D) Rocks. Show Answer Correct Answer: B) Horizons. 18. Decayed organic material in soil is called ..... A) Litter. B) Silt. C) Humus. D) Clay. Show Answer Correct Answer: C) Humus. 19. Soil formation is the process by which soil is formed as a result of interactions over time between parent materials, climate, topography and organisms. Choose which of the following is NOT a function of organism in soil formation? A) Organic matter accumulation and decomposition. B) Reduction of soil erosion. C) Structure less formation. D) Biochemical weathering. Show Answer Correct Answer: C) Structure less formation. 20. Which rocks are exposed to more wind, rain and ice? A) Rocks at a lower elevation. B) Rocks at a higher elevation. C) Rocks in streams. D) Rocks in a warm, humid climate. Show Answer Correct Answer: B) Rocks at a higher elevation. ← PreviousNext →Related 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 9Fundamentals Of Soil Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books