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EHST 2110 PEST AND PESTICIDES QUESTIONS AND ANSWERS
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EHST 2110 PEST AND PESTICIDES QUESTIONS AND ANSWERS
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Name: Score:20 Multiple choice questions
Term 1 of 20
What kind of pesticide was DDT? what does that mean?
Persistent pesticide- stayed in the environment, got into water and soil, caused a lot of
issues
Herbicide- specifically targeted plants, no impact on water and soil
Biodegradable pesticide- quickly broke down in the environment, minimal impact on
water and soil
Insect repellent- used to deter insects from crops, no environmental impact
Term 2 of 20
what type of mosquitoes breeds in tires?
Dark rice field mosquito
Asian tiger mosquito
Emerald ash borer
Lyme disease, black legged tick
Term 3 of 20
What are vectors?
The plague
Lyme disease
The larvae stage
Transporters of disease
,Term 4 of 20
Insecticides kill:
insects
plants
nematodes
rodents
Term 5 of 20
rat fleas are vectors for:
the Plague
the Larvae Stage
bubonic Plague
lyme Disease
Term 6 of 20
what are 3 problems caused by pest?
destroy crops, increase biodiversity, improve soil fertility
reduce pollution, enhance water quality, regulate climate
promote plant growth, aid in pollination, control pests
cause discomfort, vectors of diseases, resource competition
Term 7 of 20
concern dealing with climate change
problem is that it's staying the same, maintaining river conditions and keeping mosquito
levels constant
concern is its a lot warmers, messing up rivers and bringing more mosquitoes
worry is that it's much drier, preserving waterways and decreasing mosquito presence
issue is that it's slightly colder, improving water quality and reducing insect populations
, Term 8 of 20
Herbicides kill:
plants
fungi
insects
animals
Term 9 of 20
pyrethrum
synthetic insect repellent- long-lasting effects. a common pesticide
raw spectrum pesticide- breaks down after use. a main pesticide
herbicide- kills weeds. not a pesticide
organic fertilizer- promotes plant growth. not a pesticide
Term 10 of 20
What is biomagnification?
Rocky mountain spotted fever, lyme disease, anaplasmosis, erlichiosis
poison ivy, poison oak, poison sumac
accumulation of toxic chemicals in the fatty tissues that lead to reproductive failures-
DDT caused this
selective herbicide, used in vietnam, killed vegetation, caused birth defects and other
issues
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