
Soil Horizons
Quiz by Timothy Fischer
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12 questions
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- Q1What is the primary characteristic of the O Horizon?Consists of unweathered rockContains calciteMostly clayContains organic material30s
- Q2Which horizon is also known as the topsoil layer?B HorizonA HorizonC HorizonR Horizon30s
- Q3In which horizon would you most likely find clay and some plant roots?A HorizonB HorizonR HorizonO Horizon30s
- Q4What is the main characteristic of the C Horizon?Consists of solid bedrockResembles parent material and is partially weatheredContains high levels of calciteFull of organic matter and microorganisms30s
- Q5Which soil horizon is primarily made up of bedrock?C HorizonB HorizonA HorizonR Horizon30s
- Q6What is the color of soil with high iron oxide and aluminum-rich clays, often found in temperate climates?Light gray-brownBrown to red-brownDark grayDeep red30s
- Q7Pedalfer soils are commonly found in which type of climate?Cold, arid regionsTemperate climates with high rainfallDesertsDry climates30s
- Q8Which soil type is high in calcium carbonate and forms in drier climates?R Horizon soilPedalferPedocalLaterite30s
- Q9What characteristic is typical of laterite soils?Light gray in colorHigh in iron oxide and aluminum oxideFound in colder regionsHigh in organic material30s
- Q10What color is commonly associated with laterite soils?Light gray-brownBrownDark brownRed due to iron oxide30s
- Q11Which of the following is true about pedalfer soil composition?Forms in hot, wet tropical climatesContains mostly iron oxide and aluminum-rich claysHigh in calcium carbonateLacks significant organic material30s
- Q12Which soil type generally has the least amount of clay due to slower chemical weathering?PedalferPedocalLateriteA Horizon soil30s