This quiz works best with JavaScript enabled. Home > Agriculture > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 21 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the correct order of the taxonomic hierarchy? A) Kingdom, class, division, order, Mayo, species. B) Kingdom, division, class, order, family species, genus. C) Kingdom, division, class, order, family, genus, species. D) Kingdom, division, order, class, family, genus, species. Show Answer Correct Answer: C) Kingdom, division, class, order, family, genus, species. 2. What is a resource? A) Anything that is used for a purpose. B) Anything that has a purpose. C) Anything that we use for information. D) Anything that is renewable. Show Answer Correct Answer: A) Anything that is used for a purpose. 3. What is the main function of the flower of a plant? A) Provide surface area for the plant. B) Provide food for insects. C) Sexual reproduction. D) Store food for the plant. Show Answer Correct Answer: C) Sexual reproduction. 4. The Midwest Regions' economic value of crops equal what percent of the total United States' agricultural products? A) 70. B) 83. C) 58. D) 26. Show Answer Correct Answer: C) 58. 5. Rusts are classified as which of the following? A) Bacteria. B) Fungus. C) Virus. D) Cancer. Show Answer Correct Answer: B) Fungus. 6. Humus usually gives soil a ..... color. A) Dark. B) Purple. C) Light. D) Medium. Show Answer Correct Answer: A) Dark. 7. A seed with only one cotyledon is called a ..... A) Dicot. B) Flower. C) Monocot. D) Fruit. Show Answer Correct Answer: C) Monocot. 8. What type of soil water is used by plants? A) Hygroscopic. B) Capillary. C) Gravitational. D) All types of soil water. Show Answer Correct Answer: B) Capillary. 9. Which type of soil has a DARK BROWN color? A) Sand. B) Loam. C) Clay. D) None of above. Show Answer Correct Answer: B) Loam. 10. Which of the following involves the combination of two haploid sex cells to create an individual? A) Induced propagation. B) Asexual reproduction. C) Vegetative propagation. D) Sexual reproduction. Show Answer Correct Answer: D) Sexual reproduction. 11. If your soil sample has 35% sand, 40% silt and 25% clay, identify the soil texture using the soil texture triangle provided to you. A) Clay loam. B) Silt. C) Silt loam. D) Loam. Show Answer Correct Answer: D) Loam. 12. What material is soil mostly made of? A) Bits of bone. B) Pieces of rock. C) Nutrients. D) Shells. Show Answer Correct Answer: B) Pieces of rock. 13. Which type of soil is best for growing plants and has the remains of decayed plants and animals? A) Sand. B) Clay. C) Gravel. D) Humus. Show Answer Correct Answer: D) Humus. 14. This type of soil is carried by water and left as sediment. A) Silt. B) Clay. C) Bedrock. D) Loam. Show Answer Correct Answer: A) Silt. 15. The arrangement of different layers of soil at a place is called ..... A) Bedrock. B) Partly weathered Rock. C) Weathering. D) Soil Profile. Show Answer Correct Answer: D) Soil Profile. 16. Which layer of soil has the most humus? A) Topsoil. B) Subsoil. C) Bedrock. D) None of above. Show Answer Correct Answer: A) Topsoil. 17. One component of soil is decayed plant and animal remains, but the major component of soil is - A) Fossil Fuels. B) Iron ore. C) Weathered rocks. D) Salt water. Show Answer Correct Answer: C) Weathered rocks. 18. Pick the TRUE statement: A) Topsoil is a layer of bedrock. B) Loam is a type of soil. C) Loam is a layer of soil. D) Topsoil is a type of soil. Show Answer Correct Answer: B) Loam is a type of soil. 19. There are four major components of soil. Evaluate which of the following components comprises least amount of material incorporated into the soil? A) Soil Air. B) Mineral matter. C) Organic matter. D) Soil water. Show Answer Correct Answer: C) Organic matter. 20. According to our lab on soil and water absorption, which soil held the most amount of water? A) Clay. B) Potting Soil. C) Gravel. D) Sand. Show Answer Correct Answer: A) Clay. 21. ..... layer of soil is not porous A) Bedrock. B) Subsoil. C) Substratum. D) Top soil. Show Answer Correct Answer: A) Bedrock. 22. Which of these is made of smallest particles of rocks, decayed matter of plants and animals? A) A. Clay. B) B. Loam. C) Silt. D) Sand. Show Answer Correct Answer: B) B. Loam. 23. Where do plants get light from? A) Sea. B) Star. C) Sun. D) School. Show Answer Correct Answer: C) Sun. 24. A student takes a rectangular piece of soap and writes the word "soap" on one of the soap's surfaces using a toothpick. The student then places the piece of soap below a dripping faucet with the lettering facing upward.Which question can be best studied using this model? A) How do the minerals in water affect landforms?. B) How is a mountain created using flowing water?. C) Do all minerals dissolve in rainwater?. D) Does dripping water cause erosion of land?. Show Answer Correct Answer: D) Does dripping water cause erosion of land?. 25. Which is another name for a non-vascular plant? A) Angiosperm. B) Bryophyte. C) Gymnosperm. D) Seedless vascular plant. Show Answer Correct Answer: B) Bryophyte. 26. In Nebraska, what primary crop is used for making brooms? A) Hay. B) Proso millet. C) Wheat. D) Cotton. Show Answer Correct Answer: B) Proso millet. 27. The layers of soil are also known as ..... A) Loam. B) Horizons. C) Dirt. D) Humus. Show Answer Correct Answer: B) Horizons. 28. Which is the correct order of weathered rocks from largest to smallest? A) Clay, silt, sand, gravel. B) Sand, silt, clay, gravel. C) Gravel, sand, silt, clay. D) Gravel, sand, clay, silt. Show Answer Correct Answer: C) Gravel, sand, silt, clay. 29. Which horizon has smaller rock and mineral particles than the other layers? A) C. B) D. C) B. D) A. Show Answer Correct Answer: D) A. 30. Most of the lime that is applied is calcium carbonate. This is finely ground limestone. Adding lime makes the soil ..... acid and ..... the pH. A) More lowers. B) Less lowers. C) Less raises. D) More raises. Show Answer Correct Answer: C) Less raises. ← PreviousNext →Related QuizzesSoil Science QuizzesAgriculture 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books