VIRGINIA COMMERCIAL PESTICIDE APPLICATORS FINAL
EXAMINATION TEST 2025 QUESTIONS WITH SOLUTIONS
GUARANTEE A+
✔✔3 things required for parasitic disease to develop - ✔✔susceptible host plant
parasitic agent
environment favorable for parasite development
✔✔bacteria - ✔✔__________ are microscopic one-celled plants.
✔✔viruses - ✔✔__________ are so small they cannot be seen with ordinary
microscope.
✔✔nematodes - ✔✔__________ small, sometimes microscopic, roundworms
✔✔hollow feeding spear - ✔✔all nematodes that are parasites on plants have a
__________ __________ __________.
✔✔inoculation - ✔✔__________ is when the organism arrives at a part of a plant where
infection can occur.
✔✔incubation - ✔✔__________ is when the environmental conditions are favorable for
an organism to develop
✔✔infection - ✔✔__________ is when the organism can get into the plant
✔✔overdevelopment of tissue
underdevelopment of tissue
death of tissue — blights, leaf spots, wilting, cankers - ✔✔the three main ways a plant
responds to an infection
✔✔weeds - ✔✔they are plants that interfere with human activities or welfare
✔✔grasses or broad leaves - ✔✔most pest plants are either _________ or __________
__________
✔✔seedling
vegetative
reproductive
maturity - ✔✔all plants have 4 stages of development ...
✔✔annuals (plant life cycle) - ✔✔plant completing all 4 stages of development in less
than 12 months
, ✔✔biennials (plant life cycle) - ✔✔plant completing their life cycle in 2 years
✔✔perennials (plant life cycle) - ✔✔plant completing all 4 stages in the first year and
then repeat the vegetative, seed production and maturity stages for several following
years.
✔✔[see definition] - ✔✔the most important principle of pest control is to use a method
only when it will prevent the pest from causing more damage than is reasonable to
accept
✔✔[see definition] - ✔✔pest control involves using all available methods to keep pests
below harmful levels, while damaging environment as little as possible
✔✔Pesticides - ✔✔use pesticides where they're needed and where they can be used
safely
✔✔Prevention
Suppression
Eradication - ✔✔three main pest control strategies
✔✔Inorganic Pesticides
Synthetic Organic Pesticides
Living micro-organisms
Plant-derived organic Pesticides - ✔✔Pesticides can be grouped according to their
chemical nature... 4 groups
✔✔Plant Growth Regulators - ✔✔speed up, slow down or otherwise affect cell growth
and reproduction
✔✔Desiccants and Defoliants - ✔✔get rid of leaves, stems and weeds in such crops as
cotton, soybeans and potatoes
✔✔Pre-emergence - used before crop or weeds emerge
Pre-plant - used before crop is planted
Post-emergence - used after the crop or weeds have emerged. - ✔✔terms telling you
when to use the pest
✔✔band - ✔✔application to a strip or band over or along each crop row or on or around
a structure
✔✔Basal - ✔✔Application to stems or trunks at or just above the ground line
✔✔Broadcast - ✔✔uniform application to an entire specified area
EXAMINATION TEST 2025 QUESTIONS WITH SOLUTIONS
GUARANTEE A+
✔✔3 things required for parasitic disease to develop - ✔✔susceptible host plant
parasitic agent
environment favorable for parasite development
✔✔bacteria - ✔✔__________ are microscopic one-celled plants.
✔✔viruses - ✔✔__________ are so small they cannot be seen with ordinary
microscope.
✔✔nematodes - ✔✔__________ small, sometimes microscopic, roundworms
✔✔hollow feeding spear - ✔✔all nematodes that are parasites on plants have a
__________ __________ __________.
✔✔inoculation - ✔✔__________ is when the organism arrives at a part of a plant where
infection can occur.
✔✔incubation - ✔✔__________ is when the environmental conditions are favorable for
an organism to develop
✔✔infection - ✔✔__________ is when the organism can get into the plant
✔✔overdevelopment of tissue
underdevelopment of tissue
death of tissue — blights, leaf spots, wilting, cankers - ✔✔the three main ways a plant
responds to an infection
✔✔weeds - ✔✔they are plants that interfere with human activities or welfare
✔✔grasses or broad leaves - ✔✔most pest plants are either _________ or __________
__________
✔✔seedling
vegetative
reproductive
maturity - ✔✔all plants have 4 stages of development ...
✔✔annuals (plant life cycle) - ✔✔plant completing all 4 stages of development in less
than 12 months
, ✔✔biennials (plant life cycle) - ✔✔plant completing their life cycle in 2 years
✔✔perennials (plant life cycle) - ✔✔plant completing all 4 stages in the first year and
then repeat the vegetative, seed production and maturity stages for several following
years.
✔✔[see definition] - ✔✔the most important principle of pest control is to use a method
only when it will prevent the pest from causing more damage than is reasonable to
accept
✔✔[see definition] - ✔✔pest control involves using all available methods to keep pests
below harmful levels, while damaging environment as little as possible
✔✔Pesticides - ✔✔use pesticides where they're needed and where they can be used
safely
✔✔Prevention
Suppression
Eradication - ✔✔three main pest control strategies
✔✔Inorganic Pesticides
Synthetic Organic Pesticides
Living micro-organisms
Plant-derived organic Pesticides - ✔✔Pesticides can be grouped according to their
chemical nature... 4 groups
✔✔Plant Growth Regulators - ✔✔speed up, slow down or otherwise affect cell growth
and reproduction
✔✔Desiccants and Defoliants - ✔✔get rid of leaves, stems and weeds in such crops as
cotton, soybeans and potatoes
✔✔Pre-emergence - used before crop or weeds emerge
Pre-plant - used before crop is planted
Post-emergence - used after the crop or weeds have emerged. - ✔✔terms telling you
when to use the pest
✔✔band - ✔✔application to a strip or band over or along each crop row or on or around
a structure
✔✔Basal - ✔✔Application to stems or trunks at or just above the ground line
✔✔Broadcast - ✔✔uniform application to an entire specified area
