ACTUAL Questions and CORRECT
Answers
Host specific - CORRECT ANSWER - Refers to an organism that will only survive when
it has a specific food source (the host) available. The term is used when referring to a biological
control agent such as an insect that can survive only on the target pest (e.g. weed) that it is
intended to suppress.
Integrated Pest Management (IPM) - CORRECT ANSWER - A pest management strategy
that uses various combinations of pest control methods in a compatible manner to achieve
satisfactory control and ensure favorable economic and environmental consequences.
Maintenance control (of aquatic weeds) - CORRECT ANSWER - A method for the
control of aquatic plants in which control techniques are utilized in coordinated manner on a
continuous basis in order to maintain the plant population at the lowest feasible level.
Management goal - CORRECT ANSWER - As applied to aquatic plant management, the
amount and/or types of plants that will be controlled or allowed to grow to best satisfy all water
uses. This is often formally agreed upon by representatives of all water use interests.
Multi-use water body - CORRECT ANSWER - A water body that is used for more than
one purpose such as fishing, waterskiing, waterfowl hunting, and domestic water supply.
Native plant - CORRECT ANSWER - A plant species whose natural range includes
Florida.
Nitrogen - CORRECT ANSWER - A naturally occurring element in soils that is required
in large amounts for plant growth and will stimulate the growth of aquatic plants if no other
factors are limiting.
,Nonnative plant - CORRECT ANSWER - A plant species introduced to Florida,
purposefully or accidentally, from a natural range outside of Florida
Phosphorus - CORRECT ANSWER - A naturally occurring element in soils that is
required in small amounts for plant growth and will stimulate the growth of aquatic plants
(especially algae and floating plants) if no other factors are limiting.
Plant nutrients - CORRECT ANSWER - Elements, such as phosphorus and nitrogen, that
are required for plant growth
Productive water bodies - CORRECT ANSWER - Those water bodies that support large
amounts of plant growth as well as abundant aquatic organisms because they are high in
nutrients, especially phosphorus and nitrogen.
2,4-D - CORRECT ANSWER - 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.
River and Harbor Act of 1899 - CORRECT ANSWER - Federal legislation that authorized
construction and operation of vessels and log booms for the removal and containment of water
hyacinth in navigable waters of Florida and Louisiana
Florida Department of Natural Resources (DNR) - CORRECT ANSWER - Agency
designated, in 1970, as Florida's lead agency in aquatic plant control; responsibilities later
transferred to FWC
Florida Fish and Wildlife Conservation Commission (FWC) - CORRECT ANSWER -
Florida's lead agency for fish and wildlife management, formerly Florida Game and Freshwater
Fish Commission
United State Army Corps of Engineers (COE or USACE) - CORRECT ANSWER - The
engineering branch of the United States Army
, A lake that is used by fishermen, hunters, and water-skiers would best be defined as what kind of
lake? - CORRECT ANSWER - Multi-use lake
Abundant in Florida soils, which is a plant nutrient that is often limiting to plant growth in lakes?
- CORRECT ANSWER - Phosphorus
Which is a plant nutrient, common in fertilizer that limits plant growth if it is in short supply? -
CORRECT ANSWER - Nitrogen
Which of the following is a nonnative plant that is problematic in Florida's waters? - CORRECT
ANSWER - Hydrilla
What would be a likely management goal for a drainage canal? - CORRECT ANSWER -
Minimizing vegetation
Which term best relates to integrated management of aquatic weeds? - CORRECT
ANSWER - Maintenance control
Which is not one of the most common methods of integrated management of aquatic weeds? -
CORRECT ANSWER - Demolition
Which two nonnative plants influenced, prior to 1965, the development of aquatic plant
management in Florida? - CORRECT ANSWER - Waterhyacinth and alligatorweed
Which of the following, after 1947, was used to effectively and economically control
waterhyacinths, and was not toxic to humans, wildlife, or cattle? - CORRECT ANSWER -
2,4-D
Which of the following initiated a limited herbicide spray program in 1952 using an airplane and
spray-boat? - CORRECT ANSWER - FG & FWFC