Agronomy Written Test Questions with Complete Solutions.
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Course
Agronomy
Institution
Agronomy
Agronomy Written Test Questions
Who is given credit for discovering that soybeans were an excellent source of protein and oil and for encouraging farmers to rotate their crops with soybeans?
Answer:George Washington Carver
What term is used to describe fine brown or gray hairs on the leaves, ste...
Who is given credit for discovering that soybeans were an
excellent source of protein and oil and for encouraging farmers
to rotate their crops with soybeans?
Answer:George Washington Carver
What term is used to describe fine brown or gray hairs on the
leaves, stems, and pods of Soybeans?
Answer:Pubescence
Which of the following is a true statement regarding soybeans?
Answer:Soybeans are generally considered a source of
complete protein.
The top 2 states in terms of soybean production?
Answer:Iowa and Illinois
,A (n) _________ is a plant that can fix nitrogen from the air in
the soil
Answer:Legume
Living organisms that cause disease are often referred to as
______.
Answer:Pathogens
Which of the following is a benefit of integrated pest
management?
Answer:Reduced pesticide costs
Economic injury level is _____.The point at which the cost of
pest control equals the revenue loss caused by a
Answer:Pest
Which method of pest control involves making the crop
environment unsuitable for pests to feed,
Live, or reproduce?
Answer:Cultural
,What are used to kill unwanted plants?
Answer:Herbicides
What is caused by environmental imbalances and cannot be
spread to other plants?
Answer:Noninfectious disease
What are the three components of the disease triangle?
Answer:A susceptible host, a causal agent, and environmental
conditions
What are the principle causes of most diseases that affect
agricultural crops?
Answer:Fungi
Which of the following is a cultural/physical method used to
manage pest populations?
Answer:Removing and destroying infected plants
What is a pathogen?
Answer:A living, disease-producing agent
, Optimum care of plants through irrigation and fertilization
reduce weed, disease, and insect problems. Which type of
disease control measure do these represent?
Answer:Cultural
Use of beneficial predatory insects is an example of which type
of pest control?
Answer:Biological
Why is the implementation of an IPM program beneficial to the
environment?
Answer:There is reduced contamination and degradation of soil
and water.
A grower notices that a crop displays yellow streaking and
stunted growth and identifies the problem as virus-related. How
would this type of disturbance be classified?
Answer:Infectious diseaseinfectious disease
What is a tiny, hair-like roundworm that feeds on the roots of
plants?
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