This quiz works best with JavaScript enabled. Home > Agriculture > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is a type of soil physical properties that you may identify according to its soil particle groupings. A) Soil consistency. B) Soil structure. C) Soil densities. D) Soil texture. Show Answer Correct Answer: B) Soil structure. 2. Organic Material adds what to the soil? A) Minerals. B) AIr. C) Nutrients. D) None of above. Show Answer Correct Answer: C) Nutrients. 3. This is the largest soil particle A) Clay. B) Silt. C) Sand. D) Loam. Show Answer Correct Answer: C) Sand. 4. Splitting a root system into 2 or more pieces that will each become a new plant is called ..... A) Cuttings. B) Tissue Culture. C) Division. D) Grafting. Show Answer Correct Answer: C) Division. 5. All soils have ..... that can be observed or measured A) Properties. B) Color. C) Smooth. D) Beaker. Show Answer Correct Answer: A) Properties. 6. What layer is the primary layer of soil where plants and animals live? A) Bedrock. B) Parent material. C) Organic. D) Topsoil. Show Answer Correct Answer: D) Topsoil. 7. Topography is the arrangement of the natural and artificial physical features of an area. The following are the effects of topography in soil formation EXCEPT. A) It can enhance or retard the effect of climate on soil formation. B) May affect the absorbance of solar energy in a given landscape. C) It ca inhibit the structure of soil in the area. D) Steep slopes generally enhance soil erosion and decrease soil infiltration hence slowing down soil formation. Show Answer Correct Answer: C) It ca inhibit the structure of soil in the area. 8. It is an approach of studying soil in which it focuses to its origin and classification as its occurs in the environment. This is knows as ..... A) Edopological approach. B) Edapological approach. C) Pedological approach. D) Pedalogical approach. Show Answer Correct Answer: C) Pedological approach. 9. The Soil Family includes different sized particles called ..... A) Dirt, clay, sand and silt. B) Clay, loam, sand and silt. C) Loam, organic matter, sand and silt. D) Clay, loam, sand and soil. Show Answer Correct Answer: B) Clay, loam, sand and silt. 10. Soil is made up tiny pieces of rocks, air, fragments of plants, animals and ..... A) Gas. B) Water. C) Plastic. D) None of above. Show Answer Correct Answer: B) Water. 11. No water stays in this when poured through. A) Clay. B) Topsoil. C) Loam. D) Gravel. Show Answer Correct Answer: D) Gravel. 12. We can protect soil from erosion and maintain its quality by A) Cutting trees. B) Throwing garbage on land. C) Destroying embankments along river banks. D) Planting different crops at different time. Show Answer Correct Answer: D) Planting different crops at different time. 13. The other name for phosphorus is ..... A) Manganese. B) Phosphate. C) Potash. D) Nitrogen. Show Answer Correct Answer: B) Phosphate. 14. Which soil would retain the least amount of water? A) Gravel. B) Silt. C) Sand. D) Clay. Show Answer Correct Answer: A) Gravel. 15. Which of the following is not considered a fossil fuel? A) Natural gas. B) Oil. C) Metal. D) Coal. Show Answer Correct Answer: C) Metal. 16. ..... rocks form under intense heat and pressure. A) Magma. B) Metamorphic. C) Igneous. D) Sedimentary. Show Answer Correct Answer: B) Metamorphic. 17. How do scientists classify different types of soil? A) Scientists classify soil into major groups based on climate, plants, and soil composition. B) Scientists classify soil into groups based on where they are in the country and what kind of animal bones are in it. C) Scientists classify soil into groups based on what Lowe's it came from. D) None of above. Show Answer Correct Answer: A) Scientists classify soil into major groups based on climate, plants, and soil composition. 18. What is the process utilized by scientists to derive solutions to problems. A) Scientific Method. B) Questions. C) Probability. D) Mayofication. Show Answer Correct Answer: A) Scientific Method. 19. The texture of soil depends mainly on A) The number of worms in the soil. B) The types of plants that grow in the soil. C) The size of the particles in the soil. D) The color of the soil. Show Answer Correct Answer: C) The size of the particles in the soil. 20. What are the three things in soil that help plants grow? A) Air, water, and nutrients. B) Air, rocks, and clay. C) Rocks, silt, and nutrients. D) Water, silt, and clay. Show Answer Correct Answer: A) Air, water, and nutrients. 21. 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. 22. When nutrients are taken out with soil water as it drains, it is called ..... A) Draining. B) Leaching. C) Bleaching. D) Loaching. Show Answer Correct Answer: B) Leaching. 23. To use wisely, and not be wasteful. A) Conserve. B) Decompose. C) Reserve. D) Composition. Show Answer Correct Answer: A) Conserve. 24. 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. 25. 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) Permanent wilting point. D) Saturation point. Show Answer Correct Answer: D) Saturation point. 26. The asexual reproduction method that is commonly used by orchards on trees is ..... A) Grafting. B) Division. C) Tissue Culture. D) Cuttings. Show Answer Correct Answer: A) Grafting. 27. 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. 28. What percentage of farms in the Northeast sells products directly to consumers? A) 12 %. B) 75 %. C) 14 %. D) 25 %. Show Answer Correct Answer: A) 12 %. 29. 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. 30. 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. 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