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TAMU SCSC 301 TESTS COMPILATION BUNDLE
TAMU SCSC 301 TESTS COMPILATION BUNDLE
[Montrer plus]TAMU SCSC 301 TESTS COMPILATION BUNDLE
[Montrer plus]_____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 m...
Aperçu 3 sur 28 pages
Ajouter au panier_____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 m...
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-calcare...
Aperçu 3 sur 25 pages
Ajouter au panierA 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-calcare...
After a growing season of heavy tillage traffic across a soil, a soil property that is least affected is: correct 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: correct answer: ma...
Aperçu 3 sur 20 pages
Ajouter au panierAfter a growing season of heavy tillage traffic across a soil, a soil property that is least affected is: correct 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: correct answer: ma...
After a growing season of heavy tillage traffic across a soil, a soil property that is affected is: correct answer: bulk density 
 
From a biological point of view, the most important role of structural development in fine textured soils is to provide an increase in: correct answer: macro porosity...
Aperçu 2 sur 9 pages
Ajouter au panierAfter a growing season of heavy tillage traffic across a soil, a soil property that is affected is: correct answer: bulk density 
 
From a biological point of view, the most important role of structural development in fine textured soils is to provide an increase in: correct answer: macro porosity...
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 ...
Aperçu 4 sur 46 pages
Ajouter au panierA 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 ...
Plants obtain from soil: correct answer: - Physical support 
- Air 
- Water 
- Temperature regulation 
- Protection 
- Nutrient elements (17 essential elements) 
 
Root respiration correct answer: - Produce CO2 
- Release O2 
(ventilation in soil pores) 
 
Macronutrients (8) correct answer: - C...
Aperçu 2 sur 5 pages
Ajouter au panierPlants obtain from soil: correct answer: - Physical support 
- Air 
- Water 
- Temperature regulation 
- Protection 
- Nutrient elements (17 essential elements) 
 
Root respiration correct answer: - Produce CO2 
- Release O2 
(ventilation in soil pores) 
 
Macronutrients (8) correct answer: - C...
Loess correct answer: Silt to very fine sand. Deposited by the wind. 
 
Volcanic ash correct answer: Soils of very low bulk density and high fixation of phosphorus. 
 
Glacial till correct answer: Poorly sorted. 
 
Glacial wash correct answer: Well sorted. 
 
Texture correct answer: The size di...
Aperçu 2 sur 7 pages
Ajouter au panierLoess correct answer: Silt to very fine sand. Deposited by the wind. 
 
Volcanic ash correct answer: Soils of very low bulk density and high fixation of phosphorus. 
 
Glacial till correct answer: Poorly sorted. 
 
Glacial wash correct answer: Well sorted. 
 
Texture correct answer: The size di...
When organic-N is converted into ammonia or ammonium, the process is called? correct answer: Ammonification 
 
During nitrification, ______ is converted to ______ correct answer: Ammonium; Nitrate 
 
Which soil minerals are likely to trap, or fix, NH4+ and K+ in their interlayer making them relati...
Aperçu 2 sur 11 pages
Ajouter au panierWhen organic-N is converted into ammonia or ammonium, the process is called? correct answer: Ammonification 
 
During nitrification, ______ is converted to ______ correct answer: Ammonium; Nitrate 
 
Which soil minerals are likely to trap, or fix, NH4+ and K+ in their interlayer making them relati...
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 biot...
Aperçu 2 sur 15 pages
Ajouter au panierWhich 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 biot...
A soil has a bulk density of 1.3 g/cm^3, a particle density of 2.6g/cm^3, a total porosity of .5 and a gravimetric water content of 0.2. Calculate the water-filled porosity. correct answer: .26 
 
After a growing season of heavy tillage traffic across a soil, a soil property that is affected is: co...
Aperçu 3 sur 20 pages
Ajouter au panierA soil has a bulk density of 1.3 g/cm^3, a particle density of 2.6g/cm^3, a total porosity of .5 and a gravimetric water content of 0.2. Calculate the water-filled porosity. correct answer: .26 
 
After a growing season of heavy tillage traffic across a soil, a soil property that is affected is: co...
Which of the following is NOT a carbon-containing compound that is involved in the cycling of carbon associated with most plant/animal life forms? correct answer: calcium carbonate 
 
Which organic matter property affects the availability of nutrients to plants? correct answer: Cation exchange cap...
Aperçu 2 sur 9 pages
Ajouter au panierWhich of the following is NOT a carbon-containing compound that is involved in the cycling of carbon associated with most plant/animal life forms? correct answer: calcium carbonate 
 
Which organic matter property affects the availability of nutrients to plants? correct answer: Cation exchange cap...
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 co...
Aperçu 4 sur 41 pages
Ajouter au panierWhat 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 co...
SCSC 301 Final Exam Questions With Complete Solutions
Aperçu 2 sur 10 pages
Ajouter au panierSCSC 301 Final Exam Questions With Complete Solutions
SCSC 301 - Exam 1 Questions With Complete Solutions
Aperçu 2 sur 14 pages
Ajouter au panierSCSC 301 - Exam 1 Questions With Complete Solutions
SCSC 301 CH. 12 & 13 Questions With Complete Solutions
Aperçu 2 sur 5 pages
Ajouter au panierSCSC 301 CH. 12 & 13 Questions With Complete Solutions
p - plow 
 
t - clay 
 
g - glade colors 
 
o - oxides 
 
k - calcium carbonate 
 
o_ - indicates organic horizon 
 
y - gypsum (calcium sulfate) 
 
z - salts 
 
h - humis 
 
s - sesquioxides 
 
(A) epipedon - Mollic, Umbric, Melanic, Ochric 
 
(O) epipedon - Histic 
 
(E) epipedon - Albic 
 
(Bw) e...
Aperçu 1 sur 4 pages
Ajouter au panierp - plow 
 
t - clay 
 
g - glade colors 
 
o - oxides 
 
k - calcium carbonate 
 
o_ - indicates organic horizon 
 
y - gypsum (calcium sulfate) 
 
z - salts 
 
h - humis 
 
s - sesquioxides 
 
(A) epipedon - Mollic, Umbric, Melanic, Ochric 
 
(O) epipedon - Histic 
 
(E) epipedon - Albic 
 
(Bw) e...
an organism that can use CO2or CO3- (i.e., inorganic C) as a C source, and obtain energy from the sun (photo) - or from the oxidation of inorganic elements or compounds such as iron, sulfur, hydrogen, ammonium, and nitrites (chemo)? correct answer: Autotroph such as plants, algae, cyanobacteria, et...
Aperçu 2 sur 11 pages
Ajouter au panieran organism that can use CO2or CO3- (i.e., inorganic C) as a C source, and obtain energy from the sun (photo) - or from the oxidation of inorganic elements or compounds such as iron, sulfur, hydrogen, ammonium, and nitrites (chemo)? correct answer: Autotroph such as plants, algae, cyanobacteria, et...
SCSC 301 exam #3 Questions With Complete Solutions
Aperçu 2 sur 5 pages
Ajouter au panierSCSC 301 exam #3 Questions With Complete Solutions
SCSC 301 Exam 4 Questions With Complete Solutions
Aperçu 2 sur 9 pages
Ajouter au panierSCSC 301 Exam 4 Questions With Complete Solutions
A soil having a pH of 8.0, 10% exchangeable sodium, and 5d/sm conductivity is: correct answer: saline, non sodic 
 
the most common means of decreasing the soil pH from 7 to 4.5 in non calcareous soil is by the addition of: correct answer: Ferrous sulfate 
 
With the passage of time, the soil pH t...
Aperçu 2 sur 5 pages
Ajouter au panierA soil having a pH of 8.0, 10% exchangeable sodium, and 5d/sm conductivity is: correct answer: saline, non sodic 
 
the most common means of decreasing the soil pH from 7 to 4.5 in non calcareous soil is by the addition of: correct answer: Ferrous sulfate 
 
With the passage of time, the soil pH t...
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 corre...
Aperçu 4 sur 45 pages
Ajouter au panierWhat 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 corre...
An important function of micro-organisms in soils is the fixation of correct answer: Nitrogen 
 
The well decomposed organic matter in the soil that is composed of ligno-proteins and contributes to the cation exchange capacity is: correct answer: Humus 
 
Bacteria are important to the decompositio...
Aperçu 2 sur 5 pages
Ajouter au panierAn important function of micro-organisms in soils is the fixation of correct answer: Nitrogen 
 
The well decomposed organic matter in the soil that is composed of ligno-proteins and contributes to the cation exchange capacity is: correct answer: Humus 
 
Bacteria are important to the decompositio...
SCSC 301 Exam 1 Questions With Complete Solutions
Aperçu 4 sur 46 pages
Ajouter au panierSCSC 301 Exam 1 Questions With Complete Solutions
The subsoil horizon symbol for the zone of maximum eluviation is: correct answer: E 
 
The percent organic matter in soils increases as_____ decreases correct answer: Temperature 
 
The horizon that movement and accumulation of sodium is a microprocess essential to the occurrence of is: correct an...
Aperçu 2 sur 5 pages
Ajouter au panierThe subsoil horizon symbol for the zone of maximum eluviation is: correct answer: E 
 
The percent organic matter in soils increases as_____ decreases correct answer: Temperature 
 
The horizon that movement and accumulation of sodium is a microprocess essential to the occurrence of is: correct an...
Which of the following is NOT a carbon-containing compound that is involved in the cycling of carbon associated with most plant/animal life forms? correct answer: Calcium carbonate 
 
Which organic matter property affects the availability of nutrients to plants? correct answer: Cation exchange cap...
Aperçu 2 sur 8 pages
Ajouter au panierWhich of the following is NOT a carbon-containing compound that is involved in the cycling of carbon associated with most plant/animal life forms? correct answer: Calcium carbonate 
 
Which organic matter property affects the availability of nutrients to plants? correct answer: Cation exchange cap...
___________ 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 p...
Aperçu 4 sur 33 pages
Ajouter au panier___________ 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 p...
Principle Components of Soil -Air 25% 
-Water 25% 
^ (healthy soil composition, those two vary from 50-0% to 0-50%) 
-minerals ~45% 
-Organics ~5% (again healthy soil it varies) 
 
% are by volume not mass 
 
Soil Dynamic natural body having properties due to the combined effects of climate an...
Aperçu 3 sur 22 pages
Ajouter au panierPrinciple Components of Soil -Air 25% 
-Water 25% 
^ (healthy soil composition, those two vary from 50-0% to 0-50%) 
-minerals ~45% 
-Organics ~5% (again healthy soil it varies) 
 
% are by volume not mass 
 
Soil Dynamic natural body having properties due to the combined effects of climate an...
SCSC 301 Exam 2 Questions And Answers With Complete Solutions
Aperçu 2 sur 12 pages
Ajouter au panierSCSC 301 Exam 2 Questions And Answers With Complete Solutions
SCSC 301 Practice Exam Questions And Answers With Complete Solutions
Aperçu 2 sur 13 pages
Ajouter au panierSCSC 301 Practice Exam Questions And Answers With Complete Solutions
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