AGN 115 Exam 3 questions with
verified answers graded A+
In Teaming with Microbes the authors say that ___ are in control of the soil food web because
of what they release into the soil.
A. plants
B. nematodes
C. fungi
D. bacteria
E. none of the given answers are correct - correct answer ✔✔A. plants
The USDA map used in lecture identified areas subject to wind erosion as the states of the Great
Plains and coastal areas in eastern and southern states. In Missouri, only the southeastern
"bootheel" region is identified as being at risk of wind erosion.
A. True
B. False - correct answer ✔✔B. False
Intercropping rows of ___ is often used as an alternative to planting permanent windbreaks of
trees or shrubs. (Ch. 7)
A. corn
B. sunflower
C. sorghum
D. all of the above
, E. none of the above - correct answer ✔✔D. all of the above
Match the type of transported soil with the means of its transportation. (Ch. 8)
Alluvium
Eolian Soil
Glacial Soil
Colluvium
A. Glacier
B. Wind
C. Gravity
D. Water - correct answer ✔✔Alluvium - Water
Eolican Soil - Wind
Glacial Soil - Glacier
Colluvium - Gravity
All of the following practices can contribute to increasing soil organic matter except
A. crop rotation
B. burning crop residues
C. cover crops
D. reduced tillage intensity
E. application of manure, compost, or sewage - correct answer ✔✔B. burning crop residues
Humus is _______. (Soil Biology Lecture)
verified answers graded A+
In Teaming with Microbes the authors say that ___ are in control of the soil food web because
of what they release into the soil.
A. plants
B. nematodes
C. fungi
D. bacteria
E. none of the given answers are correct - correct answer ✔✔A. plants
The USDA map used in lecture identified areas subject to wind erosion as the states of the Great
Plains and coastal areas in eastern and southern states. In Missouri, only the southeastern
"bootheel" region is identified as being at risk of wind erosion.
A. True
B. False - correct answer ✔✔B. False
Intercropping rows of ___ is often used as an alternative to planting permanent windbreaks of
trees or shrubs. (Ch. 7)
A. corn
B. sunflower
C. sorghum
D. all of the above
, E. none of the above - correct answer ✔✔D. all of the above
Match the type of transported soil with the means of its transportation. (Ch. 8)
Alluvium
Eolian Soil
Glacial Soil
Colluvium
A. Glacier
B. Wind
C. Gravity
D. Water - correct answer ✔✔Alluvium - Water
Eolican Soil - Wind
Glacial Soil - Glacier
Colluvium - Gravity
All of the following practices can contribute to increasing soil organic matter except
A. crop rotation
B. burning crop residues
C. cover crops
D. reduced tillage intensity
E. application of manure, compost, or sewage - correct answer ✔✔B. burning crop residues
Humus is _______. (Soil Biology Lecture)