PESTICIDE REGULATION DPR LAWS AND
REGULATIONS STUDY GUIDE FINAL STUDY
GUIDE 2026 SOLVED QUESTIONS FULLY
CORRECT
⫸ When must an Ag PCA turn in a copy of a rec to the County Ag
Commissioner? Answer: Upon request
⫸ What information must employers include when training employees
who handle pesticides? Answer: Safe work practices related to the
pesticides the employee will be handling
⫸ What pesticide handling activity is most hazardous? Answer: Mixing
and loading
⫸ When handling a pesticide container for an application you should...
Answer: Wear appropriate PPE
⫸ Empty containers should be stored in Answer: A locked area
⫸ The mean population level around which a species' characteristic
abundance fluctuates is the species... Answer: Equilibrium position
,⫸ Which organ is unique to spiders? Answer: Chelicerae
⫸ Refers to dispersal of individuals into a population Answer:
Immigration
⫸ What is true about minimal exposure pesticides? Answer: A closed
system is required for any amount of minimal exposure pesticide use
⫸ A restricted use pesticide is one that is for sale to and used by...
Answer: Certified applicators or persons under their direct supervision
⫸ If a pest problem exists and there is no registered pesticide available,
in some cases a non-registered pesticide may be used pursuant to the
issuance of a... Answer: Section 18 exemption
⫸ A person who has permission to use or supervise the use of a
restricted material for control of an ag pest on his own property is
defined by the CA code of regulation as... Answer: a private applicator
⫸ The posting of warning signs around a treated field... Answer: is
always required if there is a REI of greater than 7 days
⫸ Bacteria which secrete antimicrobial substances that inhibit the
growth of another microorganism is an example of... Answer: Antibiosis
,⫸ What is the one difference between inundative and inoculative
releases of bio control agents? Answer: Progeny of the natural enemies
used in inundative releases are not expected to survive whereas those in
inoculative releases are
⫸ Certain viruses, bacteria, and fungi are... Answer: available
commercially in formulations to be used as insect pathogens
⫸ What pest can be controlled by crop rotation? Answer: An
endoparasitic nematode with a narrow host range
⫸ A drawback to using presence/absence sampling is... Answer:
Baseline research data must be available that links the proportion of
infested plant parts to insect abundance
⫸ Many plant pests only cause economic plant damage to a specific
plant growth stage. A useful tool designed to monitor the development
status of plants is... Answer: A computerized plant mapping program
⫸ A pest control dealer must... Answer: Check all pesticide containers
for damage or leaks
⫸ To legally possess and use a CA restricted material pesticide, the user
must have a... Answer: restricted materials permit from the county ag
commissioner
, ⫸ A pesticide may be offered for sale legally in CA... Answer: After the
date the notice of registration is issued by the director of the DPR
⫸ Some soil-applied herbicides become tightly bound and cease to
function in which type of soil? Answer: Soil with high organic matter
content
⫸ Plant parts used in the identification of monocot seedlings include
characteristics of the... Answer: Leaf blade, auricles, and ligules
⫸ What is a way to use insecticides in conjunction with biocontrol?
Answer: Time the insecticide application to avoid susceptible stages of
natural enemies
⫸ Suppressive soils are soils in which... Answer: Disease incidence
remain low despite favorable environmental conditions and the presence
of pathogens
⫸ Agricultural products that are labeled as "residue-free" were...
Answer: Often grown with synthetic chemical sprays, but sufficient time
has elapsed since they were used so the material has degraded
⫸ With whom must an Ag PCA adviser register with before making a
recommendation in a county with no ag commissioner? Answer: The
County Ag Commissioner of an adjoining county
REGULATIONS STUDY GUIDE FINAL STUDY
GUIDE 2026 SOLVED QUESTIONS FULLY
CORRECT
⫸ When must an Ag PCA turn in a copy of a rec to the County Ag
Commissioner? Answer: Upon request
⫸ What information must employers include when training employees
who handle pesticides? Answer: Safe work practices related to the
pesticides the employee will be handling
⫸ What pesticide handling activity is most hazardous? Answer: Mixing
and loading
⫸ When handling a pesticide container for an application you should...
Answer: Wear appropriate PPE
⫸ Empty containers should be stored in Answer: A locked area
⫸ The mean population level around which a species' characteristic
abundance fluctuates is the species... Answer: Equilibrium position
,⫸ Which organ is unique to spiders? Answer: Chelicerae
⫸ Refers to dispersal of individuals into a population Answer:
Immigration
⫸ What is true about minimal exposure pesticides? Answer: A closed
system is required for any amount of minimal exposure pesticide use
⫸ A restricted use pesticide is one that is for sale to and used by...
Answer: Certified applicators or persons under their direct supervision
⫸ If a pest problem exists and there is no registered pesticide available,
in some cases a non-registered pesticide may be used pursuant to the
issuance of a... Answer: Section 18 exemption
⫸ A person who has permission to use or supervise the use of a
restricted material for control of an ag pest on his own property is
defined by the CA code of regulation as... Answer: a private applicator
⫸ The posting of warning signs around a treated field... Answer: is
always required if there is a REI of greater than 7 days
⫸ Bacteria which secrete antimicrobial substances that inhibit the
growth of another microorganism is an example of... Answer: Antibiosis
,⫸ What is the one difference between inundative and inoculative
releases of bio control agents? Answer: Progeny of the natural enemies
used in inundative releases are not expected to survive whereas those in
inoculative releases are
⫸ Certain viruses, bacteria, and fungi are... Answer: available
commercially in formulations to be used as insect pathogens
⫸ What pest can be controlled by crop rotation? Answer: An
endoparasitic nematode with a narrow host range
⫸ A drawback to using presence/absence sampling is... Answer:
Baseline research data must be available that links the proportion of
infested plant parts to insect abundance
⫸ Many plant pests only cause economic plant damage to a specific
plant growth stage. A useful tool designed to monitor the development
status of plants is... Answer: A computerized plant mapping program
⫸ A pest control dealer must... Answer: Check all pesticide containers
for damage or leaks
⫸ To legally possess and use a CA restricted material pesticide, the user
must have a... Answer: restricted materials permit from the county ag
commissioner
, ⫸ A pesticide may be offered for sale legally in CA... Answer: After the
date the notice of registration is issued by the director of the DPR
⫸ Some soil-applied herbicides become tightly bound and cease to
function in which type of soil? Answer: Soil with high organic matter
content
⫸ Plant parts used in the identification of monocot seedlings include
characteristics of the... Answer: Leaf blade, auricles, and ligules
⫸ What is a way to use insecticides in conjunction with biocontrol?
Answer: Time the insecticide application to avoid susceptible stages of
natural enemies
⫸ Suppressive soils are soils in which... Answer: Disease incidence
remain low despite favorable environmental conditions and the presence
of pathogens
⫸ Agricultural products that are labeled as "residue-free" were...
Answer: Often grown with synthetic chemical sprays, but sufficient time
has elapsed since they were used so the material has degraded
⫸ With whom must an Ag PCA adviser register with before making a
recommendation in a county with no ag commissioner? Answer: The
County Ag Commissioner of an adjoining county
