SOIL SCIENCE EXAM 3 QUESTIONS AND
100% CORRECT ANSWERS!!
Soil is the unconsolidated mineral or organic material on the immediate ___of the ____ that
serves as a natural medium for the growth of land plants
surface, earth
soil is the ____ mineral or organic material on the immediate surface of the earth that
serves as a natural medium for the growth of land plants
unconsolidated
Parent material is considered to be ____ factor of soil formation
A. genetic
B. environmental
C. essential
D. the most important
A.
Wheathering of parent material provides ____, while decomposition of dead plant residue
such as roots, leaves, stems and wood is the source of ___
A. framework, nutrients for plants
B. mineral fraction, soil organic matter
C. solid material, solid fraction
D. regolith under the soil, black color
B
These two alkali earth metals are among the eight most abundant elements in Earth's
continental crust. Which is ___ and ___
A. Silicon (Si)
B. Calcium (Ca)
C. magnesium (Mg)
D. oxygen (O)
,B,C
the largest pool of this essential, non-mineral plant macronutrient: ___ , in nature are
diatomic molecules of ____
nitrogen, nitrogen gas
These two nonmetals are essential plant macronutrients. Which are is ___ and ___?
A. magnesium (Mg)
B. calcium (Ca)
C. Sulfur (S)
D. Potassium (K)
E. Phosphorous (P)
D, E
Period 3 elements are heavily represented among essential plant nutrients. Select all period
3 micronutrients among following choices.
A. Sodium (Na)
B. Silicon (Si)
C. Magnesium (Mg)
D. Phosphorus (P)
E. Aluminum (Al)
F. Boron (B)
G. Sulfur (S)
H. Chlorine (Cl)
H
The component of ideal soil is most likely to remain unchanged during the growing season.
Which is ?
A. air
B. organic
C. mineral
D. water
, C
Soils modify ___
atmosphere
soils recycle and store plant _____ and _____
nutrients, carbon
Soils purify and store ___
water
Soil is the unconsolidated ___ or ___ material on the immediate surface of the earth that
serves as a natural medium for the growth of land plants
mineral, organic
soil is the unconsolidated mineral or organic material on the immediate surface of the earth
that serves as a ____ medium for the growth of ____
natural, land plants
climate is considered to be _____ factor of soil formation
A. the most important
B. environment
C. essential
D. genetic
B
topographic relief is considered to be ____ factor of soil formation
A. genetic
B. essential
C. the most important
D. environment
D
100% CORRECT ANSWERS!!
Soil is the unconsolidated mineral or organic material on the immediate ___of the ____ that
serves as a natural medium for the growth of land plants
surface, earth
soil is the ____ mineral or organic material on the immediate surface of the earth that
serves as a natural medium for the growth of land plants
unconsolidated
Parent material is considered to be ____ factor of soil formation
A. genetic
B. environmental
C. essential
D. the most important
A.
Wheathering of parent material provides ____, while decomposition of dead plant residue
such as roots, leaves, stems and wood is the source of ___
A. framework, nutrients for plants
B. mineral fraction, soil organic matter
C. solid material, solid fraction
D. regolith under the soil, black color
B
These two alkali earth metals are among the eight most abundant elements in Earth's
continental crust. Which is ___ and ___
A. Silicon (Si)
B. Calcium (Ca)
C. magnesium (Mg)
D. oxygen (O)
,B,C
the largest pool of this essential, non-mineral plant macronutrient: ___ , in nature are
diatomic molecules of ____
nitrogen, nitrogen gas
These two nonmetals are essential plant macronutrients. Which are is ___ and ___?
A. magnesium (Mg)
B. calcium (Ca)
C. Sulfur (S)
D. Potassium (K)
E. Phosphorous (P)
D, E
Period 3 elements are heavily represented among essential plant nutrients. Select all period
3 micronutrients among following choices.
A. Sodium (Na)
B. Silicon (Si)
C. Magnesium (Mg)
D. Phosphorus (P)
E. Aluminum (Al)
F. Boron (B)
G. Sulfur (S)
H. Chlorine (Cl)
H
The component of ideal soil is most likely to remain unchanged during the growing season.
Which is ?
A. air
B. organic
C. mineral
D. water
, C
Soils modify ___
atmosphere
soils recycle and store plant _____ and _____
nutrients, carbon
Soils purify and store ___
water
Soil is the unconsolidated ___ or ___ material on the immediate surface of the earth that
serves as a natural medium for the growth of land plants
mineral, organic
soil is the unconsolidated mineral or organic material on the immediate surface of the earth
that serves as a ____ medium for the growth of ____
natural, land plants
climate is considered to be _____ factor of soil formation
A. the most important
B. environment
C. essential
D. genetic
B
topographic relief is considered to be ____ factor of soil formation
A. genetic
B. essential
C. the most important
D. environment
D
