Nova Scotia Forestry Pest Control Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which insect is a major defoliator of spruce trees in Atlantic Canada?
A. Emerald ash borer
B. Spruce budworm
C. Gypsy moth
D. Pine beetle
B. Spruce budworm
The spruce budworm is the most significant defoliator of spruce and
fir species in eastern Canada, causing widespread forest damage
during outbreak cycles.
2. Integrated Pest Management (IPM) primarily emphasizes:
A. Chemical-only control
B. Routine pesticide application
C. Combination of biological, cultural, and chemical controls
D. Eradication of all pests
, C. Combination of biological, cultural, and chemical controls
IPM focuses on combining multiple control strategies to manage
pests economically and with minimal environmental impact.
3. Which is a fungal disease commonly affecting conifer trees?
A. Dutch elm disease
B. White pine blister rust
C. Fire blight
D. Powdery mildew
B. White pine blister rust
White pine blister rust is a serious fungal disease that affects white
pines, causing branch dieback and mortality.
4. The primary role of a pesticide label is to:
A. Provide marketing information
B. Ensure legal and safe use instructions
C. List competitor products
D. Increase application speed
B. Ensure legal and safe use instructions
The pesticide label is a legal document that provides critical
instructions for safe, effective, and lawful use of the product.
5. Which pest is known for attacking weakened spruce trees and
spreading blue stain fungus?
A. Bark beetle
B. Sawfly
, C. Aphid
D. Leaf miner
A. Bark beetle
Bark beetles infest stressed trees and often introduce fungi such as
blue stain, accelerating tree decline.
6. Herbicides are primarily used to control:
A. Fungi
B. Insects
C. Weeds
D. Rodents
C. Weeds
Herbicides are chemical agents designed to control or eliminate
unwanted plant species (weeds).
7. The term “economic threshold” refers to:
A. The cost of pesticide application
B. Pest level requiring immediate eradication
C. Pest population level causing economic damage
D. Maximum pesticide residue level
C. Pest population level causing economic damage
Economic threshold is the pest density at which control measures
become economically justified.
8. Which forest pest causes gall formation on spruce needles?
A. Spruce gall adelgid
, B. Tent caterpillar
C. Bark beetle
D. Weevil
A. Spruce gall adelgid
Spruce gall adelgids cause abnormal growths (galls) on spruce shoots
and needles.
9. Pesticide resistance occurs when:
A. Pests migrate
B. Pests survive repeated pesticide exposure
C. Chemicals evaporate
D. Trees adapt to pests
B. Pests survive repeated pesticide exposure
Resistance develops when pest populations evolve and survive
repeated exposure to the same pesticide.
10. Which method is a biological control?
A. Burning infested trees
B. Introducing natural predators
C. Applying synthetic herbicides
D. Mechanical pruning
B. Introducing natural predators
Biological control uses natural enemies such as predators or
parasites to reduce pest populations.
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which insect is a major defoliator of spruce trees in Atlantic Canada?
A. Emerald ash borer
B. Spruce budworm
C. Gypsy moth
D. Pine beetle
B. Spruce budworm
The spruce budworm is the most significant defoliator of spruce and
fir species in eastern Canada, causing widespread forest damage
during outbreak cycles.
2. Integrated Pest Management (IPM) primarily emphasizes:
A. Chemical-only control
B. Routine pesticide application
C. Combination of biological, cultural, and chemical controls
D. Eradication of all pests
, C. Combination of biological, cultural, and chemical controls
IPM focuses on combining multiple control strategies to manage
pests economically and with minimal environmental impact.
3. Which is a fungal disease commonly affecting conifer trees?
A. Dutch elm disease
B. White pine blister rust
C. Fire blight
D. Powdery mildew
B. White pine blister rust
White pine blister rust is a serious fungal disease that affects white
pines, causing branch dieback and mortality.
4. The primary role of a pesticide label is to:
A. Provide marketing information
B. Ensure legal and safe use instructions
C. List competitor products
D. Increase application speed
B. Ensure legal and safe use instructions
The pesticide label is a legal document that provides critical
instructions for safe, effective, and lawful use of the product.
5. Which pest is known for attacking weakened spruce trees and
spreading blue stain fungus?
A. Bark beetle
B. Sawfly
, C. Aphid
D. Leaf miner
A. Bark beetle
Bark beetles infest stressed trees and often introduce fungi such as
blue stain, accelerating tree decline.
6. Herbicides are primarily used to control:
A. Fungi
B. Insects
C. Weeds
D. Rodents
C. Weeds
Herbicides are chemical agents designed to control or eliminate
unwanted plant species (weeds).
7. The term “economic threshold” refers to:
A. The cost of pesticide application
B. Pest level requiring immediate eradication
C. Pest population level causing economic damage
D. Maximum pesticide residue level
C. Pest population level causing economic damage
Economic threshold is the pest density at which control measures
become economically justified.
8. Which forest pest causes gall formation on spruce needles?
A. Spruce gall adelgid
, B. Tent caterpillar
C. Bark beetle
D. Weevil
A. Spruce gall adelgid
Spruce gall adelgids cause abnormal growths (galls) on spruce shoots
and needles.
9. Pesticide resistance occurs when:
A. Pests migrate
B. Pests survive repeated pesticide exposure
C. Chemicals evaporate
D. Trees adapt to pests
B. Pests survive repeated pesticide exposure
Resistance develops when pest populations evolve and survive
repeated exposure to the same pesticide.
10. Which method is a biological control?
A. Burning infested trees
B. Introducing natural predators
C. Applying synthetic herbicides
D. Mechanical pruning
B. Introducing natural predators
Biological control uses natural enemies such as predators or
parasites to reduce pest populations.
