Exam (elaborations)
AGRONOMY EXAM 4 QUESTIONS AND ANSWERS
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AGRONOMY EXAM 4 QUESTIONS AND ANSWERS
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Name: Score:117 Multiple choice questions
Term 1 of 117
Bahia grass is an invasive species that was brought to America in 1891
True
False
Term 2 of 117
Weeds are classified by certain characteristics. Select four from the list below.
location, temperature, altitude, and humidity
color, size, shape, and texture
odor, taste, appearance, and sound
the environment they grow in, life cycles, invasiveness, and taxonomy
Term 3 of 117
Invasive plants have the ability to reproduce rapidly and to spread byseed or asexual means.
True
False
Term 4 of 117
Glyphosate was developed by Cargill in the 1970's
True
False
Term 5 of 117
Plant pathogens can be put into two categories obligate parasites or saprophytes
True
False
,Term 6 of 117
Hay rakes are used to wrap and bale hay
True
False
Term 7 of 117
There are four main types of grazing methods used for pasture management. Select the
correct answers below
general and resticted
continuous, rotational, creep and strip (grazing)
selective and non-selective
pest (spongy moth)
Term 8 of 117
Advantages of herbicides include ,reduced costs versus mechanical(hand or shred), greater
flexibility in timing of weed control, very effective in eliminating target species, and eliminate
the need for mechanical tillage
True
False
Term 9 of 117
Match each of the noxious weeds pictured below to their common name:
kudzu
white and pinkish flowers: field bindweed
tree: mesquite
true
,Term 10 of 117
Symptom is the plants response to the pathogen that we can see
True
False
Term 11 of 117
Widespread development of modern herbicides occurred after _
DETACH
CIVIL WAR
MCCORMICK
WWII
Term 12 of 117
IPM programs use 5 basic methods to control a pest problem select all that apply
In fresh water
Rodents, fungi, insects
Mechanical/ physical, cultural, biological, and chemical
White and pinkish flowers: field bindweed
Term 13 of 117
Perennial Weeds are the easiest of the three weed types to control.
True
False
, Term 14 of 117
What does IPM stand for
Biological Control
Cultural Control
Organic Farming
Integrated Pest Management
Term 15 of 117
Three restricted use herbicides are 2-4D, Grazon, and Banvel according to the slide show
True
False
Term 16 of 117
_______ causes brown spots, eventually leaf may turn yellow, then brown, and drop off the plant
flower wilting
root rot
leaf spots
yellowing leaves
Term 17 of 117
The first harvester that was developed to harvest wheat was designed by whom?
Meickel
McCormick
Kells
Lepird
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