PCA Laws and Regulations Exam Practice
Guide 2026
1. Which of the following are important considerations Age, Distribution, Birth
when describing a population? Rate
2. A community of organisms includes All the organisms that
share a habitat
3. Which fo the following would be considered a densi- Extreme Weather
ty-independent factor regulation population growth?
4. Which of the following terms refers to dispersal fo Immigration
individuals into a population?
5. An Ecosystem is? A community of interact-
ing organisms and their
physical environment
6. The primary process by which energy becomes avail- Photosynthesis
able to organisms in an ecosystem is?
7. The nonliving components of a ecosystem are called? Abiotic compounds
8. Which of the following ecological concepts is illustrat- Mutualism
ed in the food web?
9. What is a limiting factor? A factor that is required for
the growth and survival of
an organism
10. The mean population level around which a species Equilibrium position
characteristic abundance fluctuates is the species?
11. Many agricultural pest species such as foliar R Strategists
pathogens, aphids, mites and small seeded weeds are
considered?
, PCA Laws and Regulations Exam Practice
Guide 2026
12. In general, How many does the amount of biodiversity Lower in an agroecosys-
in an agroecosystem compare to that of a natural, tem than a natural system
more mature ecosystem Biodiversity level is?
13. The goal of pest eradication is generally? To eliminate newly invad-
ing pests
14. Secondary pest are pests that? Become prevalent after
control actions have been
taken to control key pests
15. What is the relationship between a treatment thresh- An economic injury level
old and a economic injury level? is always higher than the
treatment threshold
16. What is the "aesthetic injury level"? The Level at which pest
Damage of pest popu-
lations on a ornamental
plant become intolerable
to the general public
17. Populations of some pests in most ecosystems are Reducing the use of
under partial biological control: IPM programs take broad-spec pesticides to
advantage of this fact by? conserve naturally oc-
curring populations of
predators and parasites
18. Water holding capacity, texture, pH and CEC are all Soil
characteristics of --------- that influence pest develop-
ment.
19. Some Soil-applied herbicides become tightly bound Soil with high organic
and cease to function in which type of soil? matter content
, PCA Laws and Regulations Exam Practice
Guide 2026
20. Reliance on multiple tactics form pest control Increase the ettectiveness
fo pest management
21. Identification of pests to scientific name is important To determine if the pest
for all of the filling reasons except? in question is the same
genus as a pest in another
are of state
22. When sending samples to a lab for testing identifica- Packed in clean plastic
tion samples should be? bags and kept cool
23. Anthropoda is a phylum of invertebrates which in- Insects, spiders, mites and
cludes crustaceans
24. Which of the following organs is unique to spiders Chelicerae
25. Which fo these insects damage plants primarily by Katydids
feeding on foliage?
26. The brown garden snail, helix asperse, belongs to Mollusca
which phylum?
27. Which of the following are typical aboveground plant Foliar and stem wilting,
parasitic nematodes? stunting and chlorosis
28. Where do ectoparasitic nematodes live and on what They are free-living in the
do they feed? soil and feed externally on
plant tissue
29. Vertebrate burrow such as those of gophers and Are distinguished able
moles form one another and can
be used to monitor verte-
brate pest presence
Guide 2026
1. Which of the following are important considerations Age, Distribution, Birth
when describing a population? Rate
2. A community of organisms includes All the organisms that
share a habitat
3. Which fo the following would be considered a densi- Extreme Weather
ty-independent factor regulation population growth?
4. Which of the following terms refers to dispersal fo Immigration
individuals into a population?
5. An Ecosystem is? A community of interact-
ing organisms and their
physical environment
6. The primary process by which energy becomes avail- Photosynthesis
able to organisms in an ecosystem is?
7. The nonliving components of a ecosystem are called? Abiotic compounds
8. Which of the following ecological concepts is illustrat- Mutualism
ed in the food web?
9. What is a limiting factor? A factor that is required for
the growth and survival of
an organism
10. The mean population level around which a species Equilibrium position
characteristic abundance fluctuates is the species?
11. Many agricultural pest species such as foliar R Strategists
pathogens, aphids, mites and small seeded weeds are
considered?
, PCA Laws and Regulations Exam Practice
Guide 2026
12. In general, How many does the amount of biodiversity Lower in an agroecosys-
in an agroecosystem compare to that of a natural, tem than a natural system
more mature ecosystem Biodiversity level is?
13. The goal of pest eradication is generally? To eliminate newly invad-
ing pests
14. Secondary pest are pests that? Become prevalent after
control actions have been
taken to control key pests
15. What is the relationship between a treatment thresh- An economic injury level
old and a economic injury level? is always higher than the
treatment threshold
16. What is the "aesthetic injury level"? The Level at which pest
Damage of pest popu-
lations on a ornamental
plant become intolerable
to the general public
17. Populations of some pests in most ecosystems are Reducing the use of
under partial biological control: IPM programs take broad-spec pesticides to
advantage of this fact by? conserve naturally oc-
curring populations of
predators and parasites
18. Water holding capacity, texture, pH and CEC are all Soil
characteristics of --------- that influence pest develop-
ment.
19. Some Soil-applied herbicides become tightly bound Soil with high organic
and cease to function in which type of soil? matter content
, PCA Laws and Regulations Exam Practice
Guide 2026
20. Reliance on multiple tactics form pest control Increase the ettectiveness
fo pest management
21. Identification of pests to scientific name is important To determine if the pest
for all of the filling reasons except? in question is the same
genus as a pest in another
are of state
22. When sending samples to a lab for testing identifica- Packed in clean plastic
tion samples should be? bags and kept cool
23. Anthropoda is a phylum of invertebrates which in- Insects, spiders, mites and
cludes crustaceans
24. Which of the following organs is unique to spiders Chelicerae
25. Which fo these insects damage plants primarily by Katydids
feeding on foliage?
26. The brown garden snail, helix asperse, belongs to Mollusca
which phylum?
27. Which of the following are typical aboveground plant Foliar and stem wilting,
parasitic nematodes? stunting and chlorosis
28. Where do ectoparasitic nematodes live and on what They are free-living in the
do they feed? soil and feed externally on
plant tissue
29. Vertebrate burrow such as those of gophers and Are distinguished able
moles form one another and can
be used to monitor verte-
brate pest presence
