OH Pesticide Certification – CORE Exam
Questions and Answers
A pest can be anything that:
a. Competes with humans, domestic animals or desirable plants for food or water
b. Injures humans, animals, desirable plants, structures, or possessions
c. Spreads disease to humans, domestic animals, wildlife, or desirable plants
d. Annoys human or domestic animals
e. All of the above - Correct Answers -E. A pest can be anything that annoys, injures,
spreads disease or competes with desired plants, animals, or humans. Examples of
pests include weeds, insects, fungi, bacteria, mites and nematodes
One requirement for effective pest control is:
a. Identification of the pest to be controlled
b. New spray equipment
c. Using more than the recommended dosage
d. Spraying only the field margin - Correct Answers -A. Identifying the pest is the first
step. Additionally, it is necessary to know what control methods are available; evaluate
the benefits and risks of each method or combination of methods; choose the methods
that are most effective and will cause the least harm to people and the environment; use
each method correctly; and observe local, state, and federal regulations that apply to
the situation.
On farms, any worker who might enter a treated area or walk withing 1/4 mile of a
treated area during application must be warned by:
a. Oral notification of location and description of treated area and/or posted warning
signs
b. Oral notification of pesticide used
c. Oral notificaiton of pest in treated areas
d. a and b
e. a and c - Correct Answers -A. Farm owners and operators with one or more
employees are required to comply with the generic provisions of the WPS. AMong these
provisions is the requirement to give either oral or written notification to workers who
might enter or wlak within 1/4 mile of a treated area. The oral warning must include the
location and description of the treated area, time of REI, and instructions not the enter
the treated area. A posted warnig sign with certain requirements for site, color, wording,
information and posting site may also be used to warn farm workers of treated areas
A commercial pesticide handling establishment is a:
,a. Farm which employs workers
b. Forest which employs workers
c. Business which employs handlers
d. Business which employs crop advisers
e. c and d
f. a and c - Correct Answers -E. A commercial pesticide handling establishment is an
establishment other than an agricultural estalbishment that employs handlers to apply,
mix, load, and transfer pesticides. Handlers also perform tasks such as cleaning,
adjusting, or repairing spray equipment or performs tasks as a crop advisor
A pesticide handler would perform the following tasks:
a. Mix, load, or apply pesticides
b. Handle open pesticide containers
c. Flag
d. Assist with application
e. All of eh above - Correct Answers -E. Pesticide handlers also would rinse pesticide
containers, dispose of unrinsed containers or repair, clean or adjust contaminated
equipment
A pest-control method should be used only when that method will cost less than the
expected value of a loss from the pest.
a. True
b. False - Correct Answers -A. Even though a pest is present, it may not do very much
harm. It could cost more to control the pest than to allow the damage to occur. The point
at which the cost of the damage exceeds the cost of the control is the "economic
threshold."
Successful pest control is based on the ability to:
a. Eradicate all pests
b. Use pesticides whenever pests are identified
c. Contaminate the environment
d. None of the above - Correct Answers -D. The best answer should be to: 1) keep pest
damage to a minimum by choosing an appropriate combination of control methods, 2)
recognize when direct action is necessary, and 3) endanger the environment as little as
possible
Which of the following is NOT a pest control goal?
a. Prevention - keeping a pest from becoming a problem
b. Suppression - reducing pest numbers to an acceptable level
c. Eradication - destroying an entire pest population
d. All of the above are possible goals - Correct Answers -D. Prevention and suppression
are common goals. Eradication is a difficult goal to achieve, especially in outdoor areas,
but may be attempted when a foreign pest has been introduced into an area (e.g. gypsy
moth, Mediterranean fruit fly, etc.). Eradication is a more common goal in indoor areas.
, The strategy of combining pest control tactics into a single plan to reduce pests and
their damage to an acceptable level is called:
a. Holistic Resource Management Plan
b. Biological Control
c. Best Management Practices
d. Integrated Pest Management - Correct Answers -D. Biological control is a tactic of
Integrated Pest Management (IPM). IPM is one component of a holistic resource
management plan and is an example of a Best Management Practice.
When the level of a pest population reaches the stage where pest control action should
be taken, you are at the:
a. Scouting stage
b. Monitoring stage
c. Threshold stage
d. Pesticide application stage - Correct Answers -C. Thresholds maybe based on
aesthetic, health, or economic considerations. Action thresholds have been determined
for many pests.
Which of the following is NOT an example of a control tactic?
a. Pesticide resistance - the ability of a pest to resist pesticide control measures
b. Biological control - using natural predators to control pests
c. Cultural controls - such as crop rotation, date of planting, cultivation, etc.
d. Chemical control - the use of pesticides - Correct Answers -A. Do not confuse pest
resistance with host resistance. Some plants and animals resist pests better than others
The ability of a pest to resist or avoid poisoning from a pesticide even when it has been
properly applied is called:
a. Efficacy
b. Pesticide resistance
c. Dormancy
d. Antagonism - Correct Answers -B. Each time a pesticide is used, it selectively kills
the most susceptible pests. Some pests are able to withstand its effects. These pests
may be able to pass along this trait to their offspring. Continued use of the same
pesticide may allow the resistant offspring to multiply. This phenomenon is known as
pesticide resistance.
What is pesticide labeling?
a. A sticker stating the price of the product
b. A piece of paper containing product name and promotional information
c. Rebate/Guarantee information
d. None of the above
e. All of the above - Correct Answers -D. Pesticide labeling is all the information
received from the manufacture about a pesticide product. It contains the information on
how to use the product. It should emphasize that adherence to pesticide labeling
directions almost eliminates personal, personnel, and environmental contamination. It is
a violation of state and federal law to use a pesticide inconsistent with its labeling.
Questions and Answers
A pest can be anything that:
a. Competes with humans, domestic animals or desirable plants for food or water
b. Injures humans, animals, desirable plants, structures, or possessions
c. Spreads disease to humans, domestic animals, wildlife, or desirable plants
d. Annoys human or domestic animals
e. All of the above - Correct Answers -E. A pest can be anything that annoys, injures,
spreads disease or competes with desired plants, animals, or humans. Examples of
pests include weeds, insects, fungi, bacteria, mites and nematodes
One requirement for effective pest control is:
a. Identification of the pest to be controlled
b. New spray equipment
c. Using more than the recommended dosage
d. Spraying only the field margin - Correct Answers -A. Identifying the pest is the first
step. Additionally, it is necessary to know what control methods are available; evaluate
the benefits and risks of each method or combination of methods; choose the methods
that are most effective and will cause the least harm to people and the environment; use
each method correctly; and observe local, state, and federal regulations that apply to
the situation.
On farms, any worker who might enter a treated area or walk withing 1/4 mile of a
treated area during application must be warned by:
a. Oral notification of location and description of treated area and/or posted warning
signs
b. Oral notification of pesticide used
c. Oral notificaiton of pest in treated areas
d. a and b
e. a and c - Correct Answers -A. Farm owners and operators with one or more
employees are required to comply with the generic provisions of the WPS. AMong these
provisions is the requirement to give either oral or written notification to workers who
might enter or wlak within 1/4 mile of a treated area. The oral warning must include the
location and description of the treated area, time of REI, and instructions not the enter
the treated area. A posted warnig sign with certain requirements for site, color, wording,
information and posting site may also be used to warn farm workers of treated areas
A commercial pesticide handling establishment is a:
,a. Farm which employs workers
b. Forest which employs workers
c. Business which employs handlers
d. Business which employs crop advisers
e. c and d
f. a and c - Correct Answers -E. A commercial pesticide handling establishment is an
establishment other than an agricultural estalbishment that employs handlers to apply,
mix, load, and transfer pesticides. Handlers also perform tasks such as cleaning,
adjusting, or repairing spray equipment or performs tasks as a crop advisor
A pesticide handler would perform the following tasks:
a. Mix, load, or apply pesticides
b. Handle open pesticide containers
c. Flag
d. Assist with application
e. All of eh above - Correct Answers -E. Pesticide handlers also would rinse pesticide
containers, dispose of unrinsed containers or repair, clean or adjust contaminated
equipment
A pest-control method should be used only when that method will cost less than the
expected value of a loss from the pest.
a. True
b. False - Correct Answers -A. Even though a pest is present, it may not do very much
harm. It could cost more to control the pest than to allow the damage to occur. The point
at which the cost of the damage exceeds the cost of the control is the "economic
threshold."
Successful pest control is based on the ability to:
a. Eradicate all pests
b. Use pesticides whenever pests are identified
c. Contaminate the environment
d. None of the above - Correct Answers -D. The best answer should be to: 1) keep pest
damage to a minimum by choosing an appropriate combination of control methods, 2)
recognize when direct action is necessary, and 3) endanger the environment as little as
possible
Which of the following is NOT a pest control goal?
a. Prevention - keeping a pest from becoming a problem
b. Suppression - reducing pest numbers to an acceptable level
c. Eradication - destroying an entire pest population
d. All of the above are possible goals - Correct Answers -D. Prevention and suppression
are common goals. Eradication is a difficult goal to achieve, especially in outdoor areas,
but may be attempted when a foreign pest has been introduced into an area (e.g. gypsy
moth, Mediterranean fruit fly, etc.). Eradication is a more common goal in indoor areas.
, The strategy of combining pest control tactics into a single plan to reduce pests and
their damage to an acceptable level is called:
a. Holistic Resource Management Plan
b. Biological Control
c. Best Management Practices
d. Integrated Pest Management - Correct Answers -D. Biological control is a tactic of
Integrated Pest Management (IPM). IPM is one component of a holistic resource
management plan and is an example of a Best Management Practice.
When the level of a pest population reaches the stage where pest control action should
be taken, you are at the:
a. Scouting stage
b. Monitoring stage
c. Threshold stage
d. Pesticide application stage - Correct Answers -C. Thresholds maybe based on
aesthetic, health, or economic considerations. Action thresholds have been determined
for many pests.
Which of the following is NOT an example of a control tactic?
a. Pesticide resistance - the ability of a pest to resist pesticide control measures
b. Biological control - using natural predators to control pests
c. Cultural controls - such as crop rotation, date of planting, cultivation, etc.
d. Chemical control - the use of pesticides - Correct Answers -A. Do not confuse pest
resistance with host resistance. Some plants and animals resist pests better than others
The ability of a pest to resist or avoid poisoning from a pesticide even when it has been
properly applied is called:
a. Efficacy
b. Pesticide resistance
c. Dormancy
d. Antagonism - Correct Answers -B. Each time a pesticide is used, it selectively kills
the most susceptible pests. Some pests are able to withstand its effects. These pests
may be able to pass along this trait to their offspring. Continued use of the same
pesticide may allow the resistant offspring to multiply. This phenomenon is known as
pesticide resistance.
What is pesticide labeling?
a. A sticker stating the price of the product
b. A piece of paper containing product name and promotional information
c. Rebate/Guarantee information
d. None of the above
e. All of the above - Correct Answers -D. Pesticide labeling is all the information
received from the manufacture about a pesticide product. It contains the information on
how to use the product. It should emphasize that adherence to pesticide labeling
directions almost eliminates personal, personnel, and environmental contamination. It is
a violation of state and federal law to use a pesticide inconsistent with its labeling.
