Scsc 301 exam 1 - Study guides, Class notes & Summaries

SCSC-301 Exam 1 with verified answers

SCSC 301 EXAM 1 REVIEW QUESTIONS AND ANSWERS

SCSC 301 Tamu Exam 1 with Questions and Answers Chapter1 The Soils Around Us: Why is soil important? ANSWER 5 major functions: 1. medium for plant growth 2. support for buildings and roads (engineering medium) 3. habitat for organisms ication of waters and regulator of water supplies ling system for nutrients and organic wastes Medium for plant growth ANSWER -physical support -supply mineral nutrients -hold water (plants require a continuous stream of water to maintain photosynthes...

SCSC 301 Exam 1 TAMU questions with answers

SCSC 301 Exam 1 with Questions and Answers Soils in Texas ANSWER There are 255 distinct soils in Texas Texas has a variety of types of soil 5 Major Soil Functions ANSWER 1. Medium for Plant Growth 2. Support for buildings and roads 3. Habitat for organisms 4. Purification of waters and regulator of water supplies 5. Recycling system for nutrients and organic wastes Medium for plants growth ANSWER Physical support Supply mineral support Holds water → plants require a continuous...

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SCSC 301 Exam 1 TAMU with complete solutions 100%

SCSC 301 Exam 2 with Questions and Answers Soil Atmosphere ANSWER -Varies from atmosphere -Contains 2 main gases needed for the two most important biological processes -High CO2, lower O2 than atmosphere -vital for soils to exchange gases Photosynthesis - consumes CO2 and H2O and releases O2 and produces sugars Respiration - Consumes O2 and releases CO2, H2O, and energy -Microbes and plant roots need O2 and removal of CO2 C6H12O6 + 6O2 --> <-- 6CO2 + 6H2O Oxygen Availabi...

SCSC 301 - EXAM 3 with Questions and Answers Name the eight most abundant elements in soils; be able to order their percentage compositions in rock versus soils, surface versus subsoil, and coarse versus fine particles. ANSWER 1. Oxygen (O) 2. Silicon (Si) 3. Aluminum (Al) 4. Iron (Fe) 5. Calcium (Ca) 6. Sodium (Na) 7. Potassium (K) 8. Magnesium (Mg) -Ordered from increasing to decreasing in abundance -Oxygen, iron, calcium, potassium and magnesium are all essential for plant growt...

___________ is comparatively soluble in soil solution and therefore easily weathered. a. Hematite b. Apatite c. Feldspar d. Mica e. Gypsum correct answer: E. Gymsum Quartz _____. a. weathers to form clay minerals b. is resistant to weathering c. is soluble in soil solution d. is a phosphorus bearing mineral e. is a major component of the clay fraction correct answer: B. is resistant to weathering A pot of soil that is 30 cm tall and which has been wetted until excess water ...