This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 22 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This type of soil is best for plant growth. A) Rock. B) Sand. C) Loam. D) Clay. Show Answer Correct Answer: C) Loam. 2. Which of the following is the species name for soybeans? A) Zea mays. B) Glyxine max. C) Solanum tuberosum. D) Malus domestica. Show Answer Correct Answer: B) Glyxine max. 3. Which describes the soil layers in order from the surface? A) Top soil, bedrock, horizon C, subsoil. B) Top soil, subsoil, horizon C, bedrock. C) Top soil, horizon C, subsoil, bedrock. D) None of above. Show Answer Correct Answer: B) Top soil, subsoil, horizon C, bedrock. 4. What composes the organic matter in soil? A) Pieces of rock that has been split apart. B) Pore spaces. C) Liquids. D) Decomposed remains of once living things. Show Answer Correct Answer: D) Decomposed remains of once living things. 5. Below the C horizon is A) Topsoil. B) Rock. C) Clay. D) Humus. Show Answer Correct Answer: B) Rock. 6. What exactly is bedrock? A) Any organic rock or mineral. B) Rock that has not been weathered. C) Rock that lies underneath water. D) Especially soft rock. Show Answer Correct Answer: B) Rock that has not been weathered. 7. Which soil do plants grow best in? A) Clay. B) Silt. C) Loam. D) Sand. Show Answer Correct Answer: C) Loam. 8. Soil is made of A) Weathered rocks and minerals. B) Dead plants and animals. C) Air and water. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Which of the following is a quantitative trait? A) Flower color. B) Seed yield. C) Pod shape. D) Stem length. Show Answer Correct Answer: B) Seed yield. 10. At the same level of organic matter, evaluate which are the highest water holding capacity? A) Loamy sand. B) Clay loam. C) Clay. D) Sandy loam. Show Answer Correct Answer: B) Clay loam. 11. There are different types of soil look, smell, and feel different. Why soil have different color. A) We paint them. B) We add color in it. C) They come from different rocks and different places. D) None of above. Show Answer Correct Answer: C) They come from different rocks and different places. 12. Which vegetable is a major food crop in Rhode Island? A) Potatoes. B) Corn. C) Pumpkins. D) Cabbage. Show Answer Correct Answer: C) Pumpkins. 13. Subsoil is made mostly of A) Parent material. B) Humus. C) Clay and silt. D) Bedrock. Show Answer Correct Answer: C) Clay and silt. 14. Soil is a mixture of weathered rock, mineral fragments, water, air and A) Sand. B) Decayed organic matter. C) Moss. D) Clay. Show Answer Correct Answer: B) Decayed organic matter. 15. ..... is the process of rocks breaking down and becoming other rocks. A) Erosion. B) Weathering. C) Rock cycle. D) Water cycle. Show Answer Correct Answer: C) Rock cycle. 16. The ..... ..... is what we call all three horizons and the bedrock together. A) Soil layers. B) Top soil. C) Sub soil. D) Loam soil. Show Answer Correct Answer: A) Soil layers. 17. What layer of soil is the best for growing plants? A) Horizon D. B) Topsoil. C) Bedrock. D) Clay. Show Answer Correct Answer: B) Topsoil. 18. This generally has the highest cation exchange capacity? (CEC) A) Clay. B) Silt. C) Sand. D) Loam. Show Answer Correct Answer: A) Clay. 19. How many farms in Massachusetts produce organic crops? A) More than 300. B) 72. C) More than 1, 000. D) 20. Show Answer Correct Answer: A) More than 300. 20. If you want to make your soil better for plant growth what can you do to fix the soil? A) Add clay. B) Add subsoil. C) Add nutrients. D) Take away air. Show Answer Correct Answer: C) Add 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books