Scsc 301 exam Study guides, Class notes & Summaries

SCSC 301 Exam 1 Questions With Complete Solutions

What are the 3 domains of life? correct answer: Archaea, Bacteria, Eukarya What is a soil micro biome? correct answer: A representation of all 3 domains of life ie. microbial community Which domain of life is being described: - Methanogens - Extremophiles - Oldest known organisms correct answer: ARCHAEA Which domain of life is being described: - Cyanobacteria (photosynthetic, O2) - Eubacteria (true) - Abundant and diverse correct answer: BACTERIA Which domain of lif...

What are the corresponding colors with the associated soils? __1__ colored soils come from organic matter. __2__ colored soils come from iron and aluminum oxides. __3__ colored soils come from silicates and salts. correct answer: 1 --- BLACK 2 --- RED 3 --- WHITE What are the 4 main components of soil and what are their relative proportions to the composition of soil? correct answer: Mineral matter -- 45% Organic matter -- 5 % Soil Water -- 25% Soil Air -- 25% Which 2 ele...

___________ 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 ...

_____is comparatively soluble in soil solution and therefore easily weathered. -Hematite -Apatite -Feldspar -Mica -Gypsum correct answer: Gypsum Quartz __________ -weathers to form clay minerals -is resistant to weathering -is soluble in soil solution -is a phosphorus bearing mineral -is a major component of the clay fraction correct answer: is resistant to weathering A pot of soil that is 30 cm tall and which has been wetted until excess water drips from the bottom wi...

A soil with 25% _____ and 25% ______by volume is close to ideal -water; organic matter -Air; mineral matter -Air; water -Mineral matter; organic matter correct answer: Air; water Soil is a dynamic natural body having properties due to the combined effects of _______ and biota as modified by ________ acting on parent material over time. -climate; topography -Time; Weather -Topography; parent material -Biota; climate -Weather; topography correct answer: climate; topography A soil ...

A soil with a pH of 8.0, 10% exchangeable sodium, and 5 dS/m conductivity is: -saline, non-sodic -non-saline, non-sodic -non-calcareous -saline, sodic -non-saline, sodic correct answer: saline, non-sodic The most economical means of decreasing the soil pH from 7.0 to 4.5 in a non-calcareous soil is by the addition of: -neutral salts -gypsum -ferrous sulfate -nitrogen fertilizer -agricultural limestone correct answer: ferrous sulfate With the passage of time, the soil pH t...

SCSC 301 EXAM QUESTIONS WITH ALL CORRECT DETAILED ANSWERS What are the four competitive priorities mentioned in class? A. Cost, Quality, SpeedlTime, Flexibility B. Inventory, Retail management, Flexibility, Supply Chain C. Both A and B D. None of the above - ANSWER- A. Cost, Quality, Seedtimes, Flexibility "A purchase requisition is a request to purchase materials or services,while a purchase order is a legal agreement between a Buyer and a supplier for the provision of goods. A. T...

Which horizon is not part of the soil solum? correct answer: C Organic matter in soil typically accounts for ____% or less of the soils total volume. correct answer: 5% Pore space in soil may contain either _____ or _____ correct answer: Air Water Soils are the result of ______ and biota acting on parent material over time as modified by ______ correct answer: Climate Topography Though plants depend on soil for growth, which of the items below is found in soil, but not required...

SCSC 301 Exam 2 Questions And Answers With Complete Solutions