Exam (elaborations)
AGRONOMY EXAM 4 TEST 2 QUESTIONS AND ANSWERS
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AGRONOMY EXAM 4 TEST 2 QUESTIONS AND ANSWERS
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Name: Score:100 Multiple choice questions
Term 1 of 100
What is the primary method of weed prevention?
Herbicides
Water
Fungicides
Insecticides
Term 2 of 100
Bacteria is said to be how many times bigger than a virus
100 times bigger
40 years
1,000,000 times bigger
10 times bigger
Term 3 of 100
Advantages of herbicides
United States Department of Agriculture
reduced cost, greater flexibility in timing, effective in eliminating target species, no need
for mechanical tillage, long term control
products that can be harmful to humans or the environment
They speed the drying process to make baling more efficient
,Term 4 of 100
Disadvantages of herbicides
promotes plant growth, biodegradable, improves soil health, reduces water pollution
can kill non-target species, contamination, can lead to herbicide-resistant species,
human error in application
prevents soil erosion, conserves water, supports pollinators, reduces greenhouse gas
emissions
increases biodiversity, enhances wildlife habitats, reduces carbon footprint, improves air
quality
Term 5 of 100
What are four characteristics that classify weeds?
Invasiveness, environments in which they grow, life cycles, taxonomy
Annual, biennial, perennial, deciduous
Temperature, precipitation, soil type, elevation
Color, size, shape, texture
Term 6 of 100
How is plant disease broadly defined?
a sudden improvement in a plant's growth and health
a plant's ability to resist all types of diseases
a progressive deviation from a plant's normal development, appearance, or function
a temporary change in a plant's color due to seasonal variations
,Term 7 of 100
Mechanized harvest is accomplished by what machine?
Seed drill
Freshwater habitats
Wireless network protocols
Combine harvester
Term 8 of 100
Blights
gradual and incomplete wilting, yellowing and decay of plant tissues
rapid and complete chlorosis, browning and death of plant tissues
slow and partial greening, yellowing and growth of plant tissues
disease of small grains and grasses
Term 9 of 100
What is the mission of Animal and Plant Health Inspection Service(APHIS)?
to study the impact of climate change on wildlife habitats
to protect and promote US ag health and to regulate GMO use
to promote the use of pesticides in agriculture
to regulate the import of exotic pets into the us
Term 10 of 100
What types of insects affect plant and crop production?
silverfish and firebrats
common silverfish
aphids and stink bugs
beetles and weevils
, Term 11 of 100
What insect has caused the greatest crop losses?
Butterflies
Grasshoppers
Beetles
Forages
Term 12 of 100
How long does the milk line take to progress from the kernel tip to the base?
40 years
20 days
every 28 days
10 days
Term 13 of 100
Herbicide resistance
the ability of plants to resist diseases caused by fungi
the tolerance of herbicides by weed species that were once susceptible
the resistance of insects to pesticides
the process of plants adapting to extreme weather conditions
Term 14 of 100
Noxious weed
a method of organic pest control using ladybugs
a type of flower that emits a strong fragrance
a gardening tool used for digging up soil
the federal and state government's categorization of weeds that are especially
undesirable
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