OHIO CATEGORY AQUATIC PEEST CONTROL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) QUESTIONS AND CORRECT ANSWERS
(VERIFED ANSWERS) Q&A 2027|INSTANT
FOWNLOAD PDF
1. What is the primary goal of aquatic pest control?
A. Increase fish population
B. Eliminate all water plants
C. Manage harmful aquatic organisms
D. Reduce water levels
Rationale: Aquatic pest control focuses on managing harmful
species, not eliminating all organisms.
Correct: C
2. Which is a common aquatic weed?
A. Duckweed
B. Oak tree
C. Grasshopper
D. Earthworm
Rationale: Duckweed is a floating aquatic plant.
Correct: A
,3. Algae blooms are mainly caused by:
A. Low oxygen
B. Excess nutrients
C. Cold temperatures
D. Fish predators
Rationale: Nutrient overload (nitrogen/phosphorus) causes
blooms.
Correct: B
4. What is eutrophication?
A. Water purification
B. Nutrient enrichment of water
C. Oxygen increase
D. Fish breeding
Rationale: Eutrophication is nutrient over-enrichment.
Correct: B
5. Which chemical controls aquatic weeds?
A. Herbicides
B. Insecticides
C. Fungicides
D. Rodenticides
Rationale: Herbicides target plant pests.
Correct: A
,6. What is the main concern when applying aquatic
pesticides?
A. Air pollution
B. Soil erosion
C. Water contamination
D. Noise pollution
Rationale: Chemicals directly affect water ecosystems.
Correct: C
7. What does PPE stand for?
A. Public Pest Equipment
B. Personal Protective Equipment
C. Pesticide Protection Entity
D. Plant Pest Evaluation
Rationale: PPE protects applicators.
Correct: B
8. Which organism indicates good water quality?
A. Mosquito larvae
B. Sensitive aquatic insects
C. Algae bloom
D. Filamentous algae
Rationale: Sensitive species require clean water.
Correct: B
, 9. Fish kill is most often caused by:
A. High oxygen
B. Pesticide runoff
C. Rainfall
D. Sunlight
Rationale: Toxic chemicals reduce oxygen or poison fish.
Correct: B
10. What is a selective herbicide?
A. Kills all plants
B. Targets specific plants
C. Kills fish
D. Kills bacteria
Rationale: Selective herbicides target certain species.
Correct: B
11. Which is a floating aquatic plant?
A. Hydrilla
B. Cattail
C. Water lily
D. Algae mat
Rationale: Water lily floats on surface.
Correct: C
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) QUESTIONS AND CORRECT ANSWERS
(VERIFED ANSWERS) Q&A 2027|INSTANT
FOWNLOAD PDF
1. What is the primary goal of aquatic pest control?
A. Increase fish population
B. Eliminate all water plants
C. Manage harmful aquatic organisms
D. Reduce water levels
Rationale: Aquatic pest control focuses on managing harmful
species, not eliminating all organisms.
Correct: C
2. Which is a common aquatic weed?
A. Duckweed
B. Oak tree
C. Grasshopper
D. Earthworm
Rationale: Duckweed is a floating aquatic plant.
Correct: A
,3. Algae blooms are mainly caused by:
A. Low oxygen
B. Excess nutrients
C. Cold temperatures
D. Fish predators
Rationale: Nutrient overload (nitrogen/phosphorus) causes
blooms.
Correct: B
4. What is eutrophication?
A. Water purification
B. Nutrient enrichment of water
C. Oxygen increase
D. Fish breeding
Rationale: Eutrophication is nutrient over-enrichment.
Correct: B
5. Which chemical controls aquatic weeds?
A. Herbicides
B. Insecticides
C. Fungicides
D. Rodenticides
Rationale: Herbicides target plant pests.
Correct: A
,6. What is the main concern when applying aquatic
pesticides?
A. Air pollution
B. Soil erosion
C. Water contamination
D. Noise pollution
Rationale: Chemicals directly affect water ecosystems.
Correct: C
7. What does PPE stand for?
A. Public Pest Equipment
B. Personal Protective Equipment
C. Pesticide Protection Entity
D. Plant Pest Evaluation
Rationale: PPE protects applicators.
Correct: B
8. Which organism indicates good water quality?
A. Mosquito larvae
B. Sensitive aquatic insects
C. Algae bloom
D. Filamentous algae
Rationale: Sensitive species require clean water.
Correct: B
, 9. Fish kill is most often caused by:
A. High oxygen
B. Pesticide runoff
C. Rainfall
D. Sunlight
Rationale: Toxic chemicals reduce oxygen or poison fish.
Correct: B
10. What is a selective herbicide?
A. Kills all plants
B. Targets specific plants
C. Kills fish
D. Kills bacteria
Rationale: Selective herbicides target certain species.
Correct: B
11. Which is a floating aquatic plant?
A. Hydrilla
B. Cattail
C. Water lily
D. Algae mat
Rationale: Water lily floats on surface.
Correct: C
