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AGRONOMY EXAM 4 TEST 2 QUESTIONS AND ANSWERS

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  • Course
  • Agronomy
  • Institution
  • Agronomy

AGRONOMY EXAM 4 TEST 2 QUESTIONS AND ANSWERS

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  • September 24, 2024
  • 80
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Agronomy
  • Agronomy
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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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