This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 9 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Some soils have ..... particles which allow water to drain very easily. A) Small. B) Large. C) Medium. D) Rough. Show Answer Correct Answer: B) Large. 2. Rocks that are formed when red-hot magma cools down. A) Sedimentary rocks. B) Metamorphic rocks. C) Igneous rocks. D) Magma rocks. Show Answer Correct Answer: C) Igneous rocks. 3. Which of the following is not biotic? A) Tree roots. B) Insects. C) Gravel. D) Seeds. Show Answer Correct Answer: C) Gravel. 4. Crop rotation can improve levels of organic matter in the soil. This is when A) The type of crops grown in a paddock is changed regularly in a planned order. B) Fast-growing crops are grown and ploughed back into the soil before they seed. C) Part of a crop not harvested for sale can be returned to the soil. D) The soil is not cultivated, but seeds are sown directly into the soil. Show Answer Correct Answer: A) The type of crops grown in a paddock is changed regularly in a planned order. 5. An ideal soil structure would be A) Clumpy - forms aggregates that hold their shape. B) Loose - the soil does not form aggregates or shape. C) Granular - forms small crumbly aggregates. D) Solid - the soil is impermeable like cement. Show Answer Correct Answer: C) Granular - forms small crumbly aggregates. 6. All of the following processes help form topsoil except ..... A) Movement of oceans. B) Decay of plants. C) Weathering of rocks. D) Decomposition of animals. Show Answer Correct Answer: A) Movement of oceans. 7. Soil that is rich in humus has high A) Fertility. B) Water content. C) Sand content. D) Clay content. Show Answer Correct Answer: A) Fertility. 8. The starting material of soil A) Parent material. B) Daughter material. C) Topography. D) Biota. Show Answer Correct Answer: A) Parent material. 9. The grinding away of rock by rock particles carried by water, ice, wind, or gravity is called ..... A) Abrasion. B) Animal action. C) Mining. D) Plant action. Show Answer Correct Answer: A) Abrasion. 10. In which asexual reproduction method does the parent plant provide water and nutrients until the new plant develops roots? A) Cutting. B) Division. C) Tissue Culture. D) Layering. Show Answer Correct Answer: D) Layering. 11. Most plant roots grow in the A) A horizon. B) B horizon. C) C horizon. D) D horizon. Show Answer Correct Answer: A) A horizon. 12. What is the total economic value for the Southern region? A) $ 48 billion. B) $ 52 billion. C) $ 45 billion. D) $ 55 billion. Show Answer Correct Answer: A) $ 48 billion. 13. Soil conservation includes all of the following EXCEPT ..... A) Desertification. B) Contour plowing. C) Vegetative cover. D) Crop rotation. Show Answer Correct Answer: A) Desertification. 14. Which of the following is a cool season crop? A) Egglpant. B) Tomatoes. C) Potatoes. D) Pumpkins. Show Answer Correct Answer: C) Potatoes. 15. ..... is a blend of the three main types of soil. A) Topsoil. B) Subsoil. C) Loam. D) Bedrock. Show Answer Correct Answer: C) Loam. 16. What two main phases comprise the cell cycle? A) Mitosis and cytokinesis. B) Two growth phases. C) Interphase and mitosis. D) Interphase and cytokinesis. Show Answer Correct Answer: C) Interphase and mitosis. 17. Soil is made of small ..... A) Icicles. B) Particles. C) Plastics. D) Bricks. Show Answer Correct Answer: B) Particles. 18. The way soil feels is called its ..... A) Type. B) Texture. C) Particle. D) Grain size. Show Answer Correct Answer: B) Texture. 19. ..... is the upper layer of soil on the surface of Earth that is dark in color and has the smallest particles. A) Topsoil. B) Humus. C) Subsoil. D) None of above. Show Answer Correct Answer: A) Topsoil. 20. What do plants and animals need to grow? A) Nutrients. B) Soil. C) Loam. D) Humus. Show Answer Correct Answer: A) Nutrients. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books