This quiz works best with JavaScript enabled. Home > Agriculture > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 19 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Physical weathering is the alteration of the physical properties of the materials without changing its chemical composition. All of this are the processes of physical weathering EXCEPT. A) Unloading of erosion. B) Diurnal fluctuation in temperature. C) Alternate freezing and thawing. D) Solidification of materials due to heavy rain. Show Answer Correct Answer: D) Solidification of materials due to heavy rain. 2. Which answer choice describes the characteristics of sand? A) The middle size of the three compacts really well. Feels like flour and is smooth when wet. B) Is the biggest of the three particles does not compact well. Feels Gritty. C) The smallest and finest of the three particles. Packs extremely well. Feels slimy and sticky. D) None of above. Show Answer Correct Answer: B) Is the biggest of the three particles does not compact well. Feels Gritty. 3. What layer is also called the humus layer and is made up of plant remains like leaves and twigs? A) Bedrock. B) Parent material. C) Organic. D) Bedrock. Show Answer Correct Answer: C) Organic. 4. How does each soil types differ? A) Texture. B) Color. C) Both texture and color. D) None of above. Show Answer Correct Answer: C) Both texture and color. 5. Which soil is good for farming? A) Clay. B) Silty. C) Peat. D) Sandy. Show Answer Correct Answer: C) Peat. 6. Which type of soil does water have difficulty moving through easily? A) Sandy. B) Humus. C) Loam. D) Clay. Show Answer Correct Answer: D) Clay. 7. Soil horizons, in order, from the surface are: A) A, B, C, R, O. B) R, A, B, C, O. C) O, A, B, C, R. D) A, O, B, C, R. Show Answer Correct Answer: C) O, A, B, C, R. 8. Calculate the percent of volumetric moisture content if the gravimetric is 25%, bulk density of 1.20g/cm3 and water density of 1.00g/cm3. A) 15%. B) 20%. C) 25%. D) 30%. Show Answer Correct Answer: D) 30%. 9. The shape of a ped is called its A) Structure type. B) Structure. C) Structure grade. D) Structure class. Show Answer Correct Answer: A) Structure type. 10. What type of soil is good for the plants? A) Clay. B) Loam. C) Sand. D) None of above. Show Answer Correct Answer: B) Loam. 11. How many primary roots are in a taproot system? A) Two. B) Bajillion. C) Three. D) One. Show Answer Correct Answer: D) One. 12. How is the air found in soils different from the air in the atmosphere? A) Has no humid all Carbon Dioxide. B) Much more humid and moist and is rich in carbon dioxide but has less oxygen. C) Much more humid and moist and is rich in Oxygen but has less Carbon Dioxide. D) Has no humid all Oxygen. Show Answer Correct Answer: B) Much more humid and moist and is rich in carbon dioxide but has less oxygen. 13. What type of soil has the smallest particles? A) Clay. B) Peaty. C) Silt. D) Sandy. Show Answer Correct Answer: A) Clay. 14. Based on the problem above, calculate the pore space of a soil if the bulk density is 1.09g/cm3 and a particle density was 2.65g/cm3. A) 58.90%. B) 58.00%. C) 59.00%. D) 60.00%. Show Answer Correct Answer: A) 58.90%. 15. Which type of soil is used to make toys and pots A) Clayey soil. B) Loamy soil. C) Silty soil. D) Sandy soil. Show Answer Correct Answer: A) Clayey soil. 16. This term describes decayed organic matter such as dead plants and animals A) Humus. B) Topsoil. C) Subsoil. D) Soil. Show Answer Correct Answer: A) Humus. 17. Which is the upper, outermost layer of soil, usually the top 5-10 inches? A) Partly weathered rock. B) Topsoil. C) Bedrock. D) Subsoil. Show Answer Correct Answer: B) Topsoil. 18. This type of soil is yellowish in colour and can be found in the desert. A) Sand. B) Garden soil. C) Clay. D) None of above. Show Answer Correct Answer: A) Sand. 19. The middle layer of soil in a soil profile is called the A) Parent rock. B) Topsoil. C) Bedrock. D) Subsoil. Show Answer Correct Answer: D) Subsoil. 20. What does soil consist of? A) Animal Remains. B) Dead Plants. C) Fungi. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. If something breaks during a lab, what is the first thing you should do? A) Clean it up. B) Tell Mrs. Mayo. C) Step over it. D) Tell your neighbor. Show Answer Correct Answer: B) Tell Mrs. Mayo. 22. A soil with high in particle density is also known as more porous. A) False. B) Probably true. C) Probably false. D) True. Show Answer Correct Answer: D) True. 23. If wind, water, or ice move sediment from one place to another, it is called ..... A) Erosion. B) Weathering. C) A sinkhole. D) None of above. Show Answer Correct Answer: A) Erosion. 24. This type of soil is sticky when wet and hard when dry. A) Clay soil. B) Sand. C) Garden soil. D) None of above. Show Answer Correct Answer: A) Clay soil. 25. What is weathering? A) Layer of soil. B) An example of a mineral. C) The breaking down of larger rocks. D) None of above. Show Answer Correct Answer: C) The breaking down of larger rocks. 26. What is the main thing you need to stop or minimise to make your house energy efficient? A) Heat gain and heat loss. B) Water gain and water loss. C) Use of appliances. D) Heat from the sun. Show Answer Correct Answer: A) Heat gain and heat loss. 27. Cross-sectional view of soil A) Leached. B) Horizon. C) Master Horizons. D) Profile. Show Answer Correct Answer: D) Profile. 28. Which of the following plant types makes up about 80 percent of all plants? A) Non-native plants. B) Native plants. C) Vascular plants. D) Non-vascular plants. Show Answer Correct Answer: C) Vascular plants. 29. The pH scale ranges from 0 to .....? A) 16. B) 12. C) 14. D) 10. Show Answer Correct Answer: C) 14. 30. There are four process of soil formation. Which of the following that this statement belongs "movement of soil materials from one place to another mainly due to water". A) Transformation. B) Losses. C) Translocation. D) Addition. Show Answer Correct Answer: C) Translocation. ← 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 7Fundamentals Of Soil Science Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books