TAMU SCSC 301 Final Exam Questions with Complete Solutions
6 views 0 purchase
Course
TAMU SCSC 301
Institution
TAMU SCSC 301
TAMU SCSC 301 Final Exam Questions with Complete Solutions
After a growing season of heavy tillage traffic across a soil, a soil property that is least affected is: - Answer-Particle density
/.From a biological point of view, the most important role of structural development in clayey texture...
TAMU SCSC 301 Final Exam Questions
with Complete Solutions
After a growing season of heavy tillage traffic across a soil, a soil property that is least
affected is: - Answer-Particle density
/.From a biological point of view, the most important role of structural development in
clayey textured soils is to provide an increase in: - Answer-macro porosity
/.The purity of light reflected by a soil is called: - Answer-chroma
/.A word used to describe the consistence of a soil is: - Answer-plastic
/.A soil horizon in which the supply of gases is adequate for optimum biological activity
is said to: - Answer-be well aerated
/.In a soil, having a color of 10YR 4/1, the value is: - Answer-4
10Y - hue
1 - chroma
/.At a given pressure gradient, diffusion is a function of: - Answer-total air porosity
/.A principal role of oxygen is soils is: - Answer-oxidation of iron
/.Considering a soil as a medium for plant growth in terms of aeration, water supply, and
temperature, the most desirable structural type is: - Answer-granular
/.Under normal aerated conditions, soil air compared to the atmospheric air almost
always contains the same percentage of: - Answer-N2
/.The soil components - solids, solution, air - arranged in order of decreasing heat
capacity (highest capacity first) are: - Answer-solution, solids, air
/.In a clay loam soil horizon having a strongly developed fine, granular structure, the soil
aeration is likely to be: - Answer-good
/.Daily fluctuations in temperature at 15cm below the soil surface, when compared to
daily fluctuations at 2cm below the soil surface: - Answer-occur later in the day
/.The subsoil is cooler than either the surface soil or parent material: - Answer-in early
spring
/.Water in the soil is: - Answer-a good heat sink
, /.The rate of soil warming in the spring at a given location is primarily a function of soil: -
Answer-moisture
/.Water which drains downward in a soil consists of water which moves in response to
differences in: - Answer-matric and gravitational potentials
/.Available water in soils is water held between the wilting coefficient and: - Answer-field
capacity
/.In a soil layer containing large holes or channels open at the surface, water enters the
large holes: - Answer-by gravity flow only
/.Water enters a very clayey subsoil from a sandy surface soil: - Answer-as soon as the
wetting front reaches it
/.A common primary silicate mineral which weathers to form secondary silicate minerals
in soils is: - Answer-horneblend
/.A typical moist surface soil contains approximately 1 to 5% by volume of
____________. - Answer-organic matter
/.One of the more soluble and therefore, easily weathered minerals in acid soils is: -
Answer-calcite
/.A primary iron mineral that is resistant to weathering is: - Answer-hematite
/.Primary silicate mineral resistant to weathering and dominates sand/silt of most soils
is: - Answer-quartz
/.The properties of soil are due to the combined effects of __________________, as
modified by relief, acting on parent material over time. - Answer-climate and biota
/.A property used in distinguishing among minerals in hand specimen is: - Answer-color
/.The two dimensional depiction of soil in a soil pit is commonly referred to as a soil: -
Answer-profile
/.Soils which support aerobic growth must contain: - Answer-gaseous oxygen
/.A passive soil forming factor is: - Answer-parent material
(and time)
/.In the following question, list the appropriate letter for each part of the question in the
order of occurrence in the statement.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller kartelodoc. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
