This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Of Soil Science – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 8 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The Humus layer in soil is also known as the ..... because it is composed of dead plant and animal remains A) Organic layer. B) Decomposed layer. C) Topsoil. D) Subsoil. Show Answer Correct Answer: A) Organic layer. 2. What is the common name for Horizon A? A) Bedrock. B) Topsoil. C) Parent material. D) Subsoil. Show Answer Correct Answer: B) Topsoil. 3. The B horizon is A) Rockier than the C horizon. B) Richer in humus than the A horizon. C) Less nutrient rich than the A horizon. D) Thicker than the C horizon. Show Answer Correct Answer: C) Less nutrient rich than the A horizon. 4. A student is investigating the effect of nutrients on plant growth. For this investigation, the student needs to add a specific amount of powdered nutrients to the soil.Which tool should the student use to measure the nutrients? A) Barometer. B) Beam balance. C) Graduated cylinder. D) Spatula. Show Answer Correct Answer: B) Beam balance. 5. Bedrock is made of A) Humus, living things, and decaying plants. B) Large rocks. C) Sand particles and clay. D) Dirt and worms. Show Answer Correct Answer: B) Large rocks. 6. What is loam? A) An even mixture of sand, silt, and clay. B) Soil made of mostly sand. C) Soil made of mostly clay. D) A mixture of gravel and sand. Show Answer Correct Answer: A) An even mixture of sand, silt, and clay. 7. Which soil can't hold water holding water for a long period of time? A) Silt. B) Clay. C) Sand. D) Humus. Show Answer Correct Answer: C) Sand. 8. Which soil particle is the largest? A) Sand. B) Silt. C) Clay. D) None of above. Show Answer Correct Answer: A) Sand. 9. Which of these phases of mitosis take place first? A) Anaphase. B) Telophase. C) Prophase. D) Metaphase. Show Answer Correct Answer: C) Prophase. 10. This has the smallest amount of pore space for air and water A) Clay. B) Silt. C) Sand. D) Loam. Show Answer Correct Answer: A) Clay. 11. The rock which soaks water is A) Permeable. B) Impermeable. C) Marble. D) None of above. Show Answer Correct Answer: A) Permeable. 12. The inorganic matter content of soil is formed from A) Inorganic material. B) Breakdown of rocks. C) Organic matter. D) Rocks. Show Answer Correct Answer: B) Breakdown of rocks. 13. Which of the following increases demand that pushes the environment to its limit? A) Use of fossil fuels. B) Pollution. C) Population growth. D) Tecnology. Show Answer Correct Answer: C) Population growth. 14. How can time affect soils? A) Soils gets to old. B) Older soils are less weathered than younger ones. C) Time don't affect soils. D) Older soils are more weathered than younger ones. Show Answer Correct Answer: D) Older soils are more weathered than younger ones. 15. Which type of nutrients are replaced most often by fertilizer? A) Non-mineral. B) Required nutrients. C) Macronutrients. D) Micronutrients. Show Answer Correct Answer: C) Macronutrients. 16. Which type of soil is best for planting? A) Loam. B) Clay. C) Sand. D) None of above. Show Answer Correct Answer: A) Loam. 17. Cranberries are a primary crop for which state? A) Nebraska. B) Missouri. C) Iowa. D) Wisconsin. Show Answer Correct Answer: D) Wisconsin. 18. Which of the following is an accurate statement in regards to soil pH? A) PH is a measure of the particle size. B) A pH of 7 indicates very acidic soil. C) A pH of 7 indicates high organic matter. D) PH indicates how basic or acidic the soil is, a pH of 6 is ideal. Show Answer Correct Answer: D) PH indicates how basic or acidic the soil is, a pH of 6 is ideal. 19. The four types of soil are ..... A) Humus, gravel, pebbles, sand. B) Sand, silt, clay, loam. C) Sand, rock, pebbles, granite. D) Sand, clay, bedrock, topsoil. Show Answer Correct Answer: B) Sand, silt, clay, loam. 20. What word fits w/ soil that is made up of about equal parts of clay, sand, and silt A) Litter. B) Decomposers. C) Subsoil. D) Loam. Show Answer Correct Answer: D) Loam. ← 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 9Fundamentals Of Soil Science Quiz 10Fundamentals Of Soil Science Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books