This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How are microorganisms responsible in the formation of soil? A) They erode the rocks. B) They get the water from the plants. C) They recycle organic matter and help in formation of humus. D) They help in the formation of humus. Show Answer Correct Answer: C) They recycle organic matter and help in formation of humus. 2. When nutrients are taken out with soil water as it drains, it is called ..... A) Bleaching. B) Loaching. C) Leaching. D) Draining. Show Answer Correct Answer: C) Leaching. 3. To use wisely, and not be wasteful. A) Decompose. B) Composition. C) Conserve. D) Reserve. Show Answer Correct Answer: C) Conserve. 4. It is a dynamic natural body that composed of minerals and organic materials in which plant grow. This is called ..... A) Land. B) Soil. C) Minerals. D) Nutrients. Show Answer Correct Answer: B) Soil. 5. After heavy rain, the farm area of Mang Kanor is fully filled up with water. What type of soil moisture coefficient happened in the field? A) Field capacity. B) Hydroscopic coefficient. C) Saturation point. D) Permanent wilting point. Show Answer Correct Answer: C) Saturation point. 6. The asexual reproduction method that is commonly used by orchards on trees is ..... A) Cuttings. B) Division. C) Tissue Culture. D) Grafting. Show Answer Correct Answer: D) Grafting. 7. What color of soil has a lot of humus? A) Black soils. B) White soils. C) Reddish colored soils. D) None of above. Show Answer Correct Answer: A) Black soils. 8. What percentage of farms in the Northeast sells products directly to consumers? A) 14 %. B) 25 %. C) 12 %. D) 75 %. Show Answer Correct Answer: C) 12 %. 9. There are two types of igneous rocks (intrusive and extrusive), assess the two types of igneous rocks. A) Intrusive rocks are those rocks that reaches the earth surface, while extrusive rocks are those rocks found below the earth surface. B) Intrusive rocks are those rocks that found above the horizons, while extrusive rocks are those rocks found below the soil horizons. C) Extrusive rocks are those rocks that reach the earth surface, while intrusive rocks are those rocks found below the earth surface. D) Extrusive rocks are those rocks that found above the horizons, while intrusive rocks are those rocks found below the soil horizons. Show Answer Correct Answer: C) Extrusive rocks are those rocks that reach the earth surface, while intrusive rocks are those rocks found below the earth surface. 10. How are decomposed animals helpful to soil? A) The contain valuable nutrients that become food for all kinds of organisms. B) They provide shad to the soil. C) The contain seeds to grow new life. D) They help speed up the rock cycle. Show Answer Correct Answer: A) The contain valuable nutrients that become food for all kinds of organisms. 11. Plants and animals become part of soil when they A) Grow and Develop. B) Produce offspring. C) Grow and Develop. D) Die and Decay. Show Answer Correct Answer: D) Die and Decay. 12. Soil formation begins with weathering of: A) Bedrocks. B) Rocks. C) Humus. D) None of above. Show Answer Correct Answer: B) Rocks. 13. In which phase does the cell replicate its DNA? A) M phase. B) Gap 1 phase. C) Synthesis phase. D) Gap 2. Show Answer Correct Answer: C) Synthesis phase. 14. What type of erosion is slowed down by contour plowing and terracing? A) Wind. B) Water. C) Air. D) None of above. Show Answer Correct Answer: B) Water. 15. Bulk density is an indication of soil porosity and soil texture. A) True. B) Probably true. C) False. D) Probably false. Show Answer Correct Answer: C) False. 16. What is "relief" and how does it affect soil formation? A) Topography influences sunlight hours, water runoff, temp, erosion, and organic matterbuildup. B) Relief is a type of soil the mixes with others. C) Relief is something that builds up. D) Influence Sunlight. Show Answer Correct Answer: A) Topography influences sunlight hours, water runoff, temp, erosion, and organic matterbuildup. 17. Gardeners will sometimes add lime to soils that are too acidic. Lime acts as a fertilizer and raises the pH of the soil to an appropriate level.What soil pH most likely requires the application of lime? A) 4. B) 7. C) 9. D) 11. Show Answer Correct Answer: A) 4. 18. Humus is made up of what materials? A) Small bits of shells and bones. B) Decomposing plants and animals. C) Quartz and feldspar minerals. D) Silt and clay. Show Answer Correct Answer: B) Decomposing plants and animals. 19. Which two states in the Midwest Region are soybeans primarily grown? A) Indiana and Minnesota. B) Iowa and Illinois. C) Kansas and Iowa. D) Ohio and Michigan. Show Answer Correct Answer: B) Iowa and Illinois. 20. What is one way a person can help to conserve or save energy? A) Drive a big car with no passengers. B) Cut off lights when they exit a room. C) Brush teeth with hot water. D) Ask to get driven to school. Show Answer Correct Answer: B) Cut off lights when they exit a room. ← PreviousNext →Related QuizzesSoil Science QuizzesFundamentals Of Soil Science Quiz 1Fundamentals 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