This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Of Soil Science – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 31 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Often phrased as an "If, Then" statement, this is an educated guess for a solution to a scientific problem. A) Solution. B) Hypothesis. C) Answer. D) Fact. Show Answer Correct Answer: B) Hypothesis. 2. What land class that restricts the use of plants? A) Class 2. B) Class 3. C) Class 5. D) Class 7. Show Answer Correct Answer: D) Class 7. 3. The middle layer of soil is called ..... A) Topsoil. B) Subsoil. C) Bedrock. D) None of above. Show Answer Correct Answer: B) Subsoil. 4. No tillage 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: D) The soil is not cultivated, but seeds are sown directly into the soil. 5. The experiment done by heating the soil in a glass container then smoke is observed shows that ..... is in the soil A) Organic matter. B) Water. C) Animals. D) Air. Show Answer Correct Answer: A) Organic matter. 6. Which of the following is the correct order of the taxonomic hierarchy? A) Kingdom, division, class, order, family, genus, species. B) Kingdom, division, class, order, family species, genus. C) Kingdom, class, division, order, Mayo, species. D) Kingdom, division, order, class, family, genus, species. Show Answer Correct Answer: A) Kingdom, division, class, order, family, genus, species. 7. 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. 8. What is the main function of the flower of a plant? A) Provide food for insects. B) Sexual reproduction. C) Store food for the plant. D) Provide surface area for the plant. Show Answer Correct Answer: B) Sexual reproduction. 9. The Midwest Regions' economic value of crops equal what percent of the total United States' agricultural products? A) 26. B) 83. C) 70. D) 58. Show Answer Correct Answer: D) 58. 10. Rusts are classified as which of the following? A) Fungus. B) Bacteria. C) Virus. D) Cancer. Show Answer Correct Answer: A) Fungus. 11. Humus usually gives soil a ..... color. A) Light. B) Medium. C) Dark. D) Purple. Show Answer Correct Answer: C) Dark. 12. A seed with only one cotyledon is called a ..... A) Dicot. B) Monocot. C) Flower. D) Fruit. Show Answer Correct Answer: B) Monocot. 13. 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. 14. 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. 15. Which of the following involves the combination of two haploid sex cells to create an individual? A) Asexual reproduction. B) Sexual reproduction. C) Vegetative propagation. D) Induced propagation. Show Answer Correct Answer: B) Sexual reproduction. 16. 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) Silt. B) Clay loam. C) Loam. D) Silt loam. Show Answer Correct Answer: C) Loam. 17. What material is soil mostly made of? A) Nutrients. B) Bits of bone. C) Shells. D) Pieces of rock. Show Answer Correct Answer: D) Pieces of rock. 18. 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. 19. This type of soil is carried by water and left as sediment. A) Bedrock. B) Loam. C) Silt. D) Clay. Show Answer Correct Answer: C) Silt. 20. The arrangement of different layers of soil at a place is called ..... A) Partly weathered Rock. B) Weathering. C) Bedrock. D) Soil Profile. Show Answer Correct Answer: D) Soil Profile. ← 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 8Fundamentals Of Soil Science Quiz 9Fundamentals Of Soil Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books