Soil – Types, Erosion, Conservation Quiz - ICSE Class 10 Geography
Free practice quiz: Soil – Types, Erosion, Conservation (ICSE Class 10 Geography). 48 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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Which soil type, characterized by its fine texture and ability to retain moisture, is highly suitable for growing paddy and sugarcane in India?
- Laterite Soil
- Black Soil
- Alluvial Soil
- Red Soil
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Answer: C. Alluvial Soil
Alluvial soil is known for its fertility and good water retention capacity, making it ideal for water-intensive crops like paddy and sugarcane, especially in the fertile plains of India.
Which of the following conservation techniques involves planting different crops in alternating strips on the same field?
- Cover Cropping
- Mulching
- Strip Cropping
- Intercropping
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Answer: C. Strip Cropping
Strip cropping is a method where different crops are planted in alternating strips across the slope or in a pattern to reduce soil erosion caused by wind and water. The strips of close-growing crops help to trap soil, while the strips of row crops allow water to flow more slowly.
Which soil type is characterized by its poor drainage, high acidity, and leaching of silica, often found in tropical regions with heavy rainfall?
- Black Soil
- Red Soil
- Laterite Soil
- Alluvial Soil
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Answer: C. Laterite Soil
Laterite soils are formed under conditions of high temperature and heavy rainfall, leading to intense leaching of silica and soluble minerals. This results in soils that are acidic, have poor drainage, and are rich in iron and aluminium oxides.
Laterite soils are particularly suitable for growing which of the following cash crops?
- Wheat and rice
- Tea and coffee
- Sugarcane and cotton
- Pulses and oilseeds
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Answer: B. Tea and coffee
Laterite soils, with their characteristic acidity and high iron oxide content, are well-suited for plantation crops like tea, coffee, rubber, and cashew, which thrive in such conditions. While they can be cultivated for other crops with proper amendment, they are most renowned for these specific crops.
The main reason why forest soils are generally fertile is their:
- High mineral content from parent rock
- Low rate of decomposition of organic matter
- Abundant supply of humus from decaying leaves and plants
- Good aeration and drainage due to coarse texture
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Answer: C. Abundant supply of humus from decaying leaves and plants
Forest soils are enriched by the continuous deposition of organic matter from fallen leaves, branches, and other plant materials. This organic matter decomposes to form humus, which is rich in nutrients and improves soil structure, fertility, and water-holding capacity.