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Florida Aquatic Pest Control Exam Questions and Answers 100% Pass
Case: 2,4-D
Introduced in 1946, the first synthetic herbicide used. It was extremely effective and economical to use and was not toxic to fish, cattle, or humans.
QUESTION 1: What was the first synthetic herbicide
introduced in 1946?
CORRECT ANSWER: 2,4-D
Case: 96-hr LC50
Concentration of herbicide in water that will kill 50% of a population of test organisms in 96 hours
QUESTION 2: What does 96-hr LC50 represent?
CORRECT ANSWER: Concentration of herbicide in
water that will kill 50% of a population of test organisms in 96 hours
Case: Absorption
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Movement of herbicide, after application, into living tissue of plants
QUESTION 3: What is absorption in the context of
herbicides?
CORRECT ANSWER: Movement of herbicide, after
application, into living tissue of plants
Case: Abundant in Florida soils, which is a plant nutrient
that is often limiting to plant growth in lakes?Phosphorus
QUESTION 4: Which plant nutrient is abundant in
Florida soils but often limiting to plant growth in lakes?
CORRECT ANSWER: Phosphorus
Case: Acceptable tolerance interval
A range of values determined by manipulating a fixed percentage (usually +/- 10%) around some given value.
QUESTION 5: What is an acceptable tolerance interval?
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CORRECT ANSWER: A range of values determined by
manipulating a fixed percentage (usually +/- 10%) around some given value
Case: Acre
Area that is equivalent to 43,560 sq ft.
QUESTION 6: How many square feet are in an acre?
CORRECT ANSWER: 43,560 sq ft
Case: Acre-feet
The average water depth, in feet, of a body of water multiplied by its surface area in acres.
QUESTION 7: What are acre-feet?
CORRECT ANSWER: The average water depth, in feet,
of a body of water multiplied by its surface area in acres
Case: Acre-foot
A volume of water equivalent to 1 acre of water which is
- foot in depth
QUESTION 8: What is an acre-foot?
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CORRECT ANSWER: A volume of water equivalent to
- acre of water which is 1 foot in depth
Case: Actual travel speed
The actual distance traveled divided by divided by the amount of time required to travel that distance; also see the terms fpm and mph
QUESTION 9: How is actual travel speed calculated?
CORRECT ANSWER: The actual distance traveled
divided by the amount of time required to travel that distance
Case: Adsorption
Adherence of a herbicide to a surface, such as a soil particle.
QUESTION 10: What is adsorption in the context of
herbicides?
CORRECT ANSWER: Adherence of a herbicide to a
surface, such as a soil particle
