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, 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?