This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Geography Chapter 6 Soils – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Geography Chapter 6 Soils Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which soil has the lowest water holding capacity? A) Clayey soil. B) Sand. C) Loamy soil. D) None of the above. Show Answer Correct Answer: B) Sand. 2. Rain that has been made acidic by pollution A) Weathering. B) Conglomerate. C) Acid rain. D) Dissolve. Show Answer Correct Answer: C) Acid rain. 3. According to the video, why are soils at an interface area so diverse? A) Because they are exposed to sunlight. B) Because they are at the interface of the atmosphere, lithosphere, hydrosphere, and biosphere. C) Because they contain a lot of water. D) Because they are constantly moving. Show Answer Correct Answer: B) Because they are at the interface of the atmosphere, lithosphere, hydrosphere, and biosphere. 4. This soil type forms in semiarid to humid areas, typically under a hardwood forest cover. They have a clay-enriched subsoil and relatively high fertility. A) Vertisol. B) Histosol. C) Alfisol. D) Mollisol. Show Answer Correct Answer: C) Alfisol. 5. The protection of soil against erosion is called ..... A) Soil pollution. B) Soil conservation. C) Weathering. D) Soil ploughing. Show Answer Correct Answer: B) Soil conservation. 6. Rocks that are smaller than pebbles but bigger than sand. A) Humus. B) Gravel. C) Silt. D) Boulder. Show Answer Correct Answer: B) Gravel. 7. When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called? A) Sand. B) Silt. C) Clay. D) Humus. Show Answer Correct Answer: D) Humus. 8. What is Parent material A) The best dads. B) Humus. C) Rock originally found on earth. D) The organic layer on earth. Show Answer Correct Answer: C) Rock originally found on earth. 9. What is the primary component of soil that provides nutrients to plants? A) Minerals. B) Organic matter. C) Water. D) Air. Show Answer Correct Answer: B) Organic matter. 10. Which is the most common in the soil of a desert? A) Clay/silt. B) Pebbles (and gravel). C) Sand. D) Humus. Show Answer Correct Answer: C) Sand. 11. The soils formed due to deposition of rivers is called as A) Black soil. B) Alluvial soil. C) Red soil. D) Mountain soil. Show Answer Correct Answer: B) Alluvial soil. 12. Which is the most common in the soil of a river delta? A) Clay/silt. B) Pebbles (and gravel). C) Sand. D) Humus. Show Answer Correct Answer: A) Clay/silt. 13. Desert soil found here. A) Western Ghats. B) Middle of India. C) Himalayas. D) North west of India. Show Answer Correct Answer: D) North west of India. 14. Which type of soil has the smallest particles A) Clay. B) Silt. C) Sand. D) Loam. Show Answer Correct Answer: A) Clay. 15. What living thing can be found in soil? A) Sand. B) Minerals. C) Glass. D) Worms. Show Answer Correct Answer: D) Worms. 16. True or False:Sand has less humus than other soils. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Why is it important to have soil conservation A) Save the soil. B) Prevent erosion. C) Prevent another dust bowl. D) All of the above. Show Answer Correct Answer: D) All of the above. 18. Which type of soil is best for growing plants? A) Sand. B) Clay soil. C) Garden soil. D) None of the above. Show Answer Correct Answer: C) Garden soil. 19. If a soil particle is big, meaning it has a larger pore space, how will the water flow? A) Fast. B) Slow. C) All the above. D) None of the above. Show Answer Correct Answer: A) Fast. 20. What is humus? A) The bottom layer of soil. B) The largest particle that makes up soil. C) Remains of decayed plants and animals in the soil. D) None of the above. Show Answer Correct Answer: C) Remains of decayed plants and animals in the soil. 21. A process in which two or more materials mix in a way that forms new material is called? A) Physical weathering. B) Chemical reaction. C) Physical reaction. D) Model. Show Answer Correct Answer: B) Chemical reaction. 22. Very extensive soil in India. A) Alluvial soil. B) Black soil. C) Red soil. D) Laterite soil. Show Answer Correct Answer: A) Alluvial soil. 23. Rock that was once melted but then cooled and hardened is ..... A) Igneous. B) Metamorphic. C) Sedimentary. D) None of the above. Show Answer Correct Answer: A) Igneous. 24. The broken down/decayed plants and animals A) Humus. B) Hummus. C) Chemical reaction. D) Conglomerate. Show Answer Correct Answer: A) Humus. 25. What is the process by which rock is broken down into smaller particles by exposure to the elements? A) Weathering. B) Erosion. C) Profiling. D) Deconstructtion. Show Answer Correct Answer: A) Weathering. 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