MDARD Commercial Pesticide Applicator Exam:
Aquatic Pest Management (Category 5) | All
Questions and Correct Answers | Verified Answers
| Brand New Version!
When do most aquatic plants grow best? ---------CORRECT ANSWER-----------------
Late spring-early summer
The bottom of the photic zone is defined as ---------CORRECT ANSWER----------------
-The depth at which light intensity is equivalent to one percent of full sunlight
Dominant fish species in waters where phytoplankton and rooted plant
production are high ---------CORRECT ANSWER-----------------Bass, bluegill, pike
Dominant fish species in waters where phytoplankton and rooted plant
production are low ---------CORRECT ANSWER-----------------Trout, salmon
Temperature is an important factor in determining what characteristics of aquatic
plants? ---------CORRECT ANSWER-----------------Life cycle
,How do algae reproduce? (3) ---------CORRECT ANSWER-----------------1. Cell division
2. Plant fragmentation
3. Spores
Individual algae cells that are suspended on the surface of the water or form a
film ---------CORRECT ANSWER-----------------Planktonic algae
Large amounts of decomposing plants can ___________ the dissolved oxygen
level in a body of water ---------CORRECT ANSWER-----------------lower
Groups of filamentous algae (2) ---------CORRECT ANSWER-----------------1. Attached
2. Planktonic (free-floating)
Algae that form dense mats and have a slimy or coarse texture ---------CORRECT
ANSWER-----------------Filamentous algae
Algae that resembles vascular plants and aid in the prevention of other nuisance
algae from growing ---------CORRECT ANSWER-----------------Erect algae
,Plant type that grows completely underwater ---------CORRECT ANSWER--------------
---Submersed
Aquatic plant type that is rooted in sediment and extends above the water
surface ---------CORRECT ANSWER-----------------Emersed / emergent
Aquatic plant type that is not attached to sediment and floats on or just below the
water surface ---------CORRECT ANSWER-----------------Free-floating
Aquatic plant type that's attached to sediment and has leaves that float on the
water surface ---------CORRECT ANSWER-----------------Rooted-floating
Watermilfoil main reproduction technique ---------CORRECT ANSWER-----------------
Fragmentation
Curly-leaf pondweed main reproduction technique ---------CORRECT ANSWER-------
----------Rhizomes and turions
Which invasive plant has pesticide-resistant reproductive structures that can lay
dormant in substrate only to sprout when conditions are right? ---------CORRECT
ANSWER-----------------Curly-leaf pondweed
, Which plant can be desirable in lake bottoms, but nuisance when they grow to
the surface? ---------CORRECT ANSWER-----------------Naiad
Naiad main reproduction technique ---------CORRECT ANSWER-----------------Seed
(annual) but also by fragmentation
What necessary and beneficial roles do native plants fulfill in their aquatic
ecosystem? (3) ---------CORRECT ANSWER-----------------1. Provide food, habitat or
shelter
2. As stabilizing features of the substrate
3. Filter storm and runoff water
Dormant leaf structures that are not affected by herbicides and are used primarily
for reproduction in the curly-leaf pondweed ---------CORRECT ANSWER----------------
-Turions
The process of adding nutrients to a body of water that in turn increases the
production of plants and algae ---------CORRECT ANSWER-----------------
Eutrophication
Aquatic Pest Management (Category 5) | All
Questions and Correct Answers | Verified Answers
| Brand New Version!
When do most aquatic plants grow best? ---------CORRECT ANSWER-----------------
Late spring-early summer
The bottom of the photic zone is defined as ---------CORRECT ANSWER----------------
-The depth at which light intensity is equivalent to one percent of full sunlight
Dominant fish species in waters where phytoplankton and rooted plant
production are high ---------CORRECT ANSWER-----------------Bass, bluegill, pike
Dominant fish species in waters where phytoplankton and rooted plant
production are low ---------CORRECT ANSWER-----------------Trout, salmon
Temperature is an important factor in determining what characteristics of aquatic
plants? ---------CORRECT ANSWER-----------------Life cycle
,How do algae reproduce? (3) ---------CORRECT ANSWER-----------------1. Cell division
2. Plant fragmentation
3. Spores
Individual algae cells that are suspended on the surface of the water or form a
film ---------CORRECT ANSWER-----------------Planktonic algae
Large amounts of decomposing plants can ___________ the dissolved oxygen
level in a body of water ---------CORRECT ANSWER-----------------lower
Groups of filamentous algae (2) ---------CORRECT ANSWER-----------------1. Attached
2. Planktonic (free-floating)
Algae that form dense mats and have a slimy or coarse texture ---------CORRECT
ANSWER-----------------Filamentous algae
Algae that resembles vascular plants and aid in the prevention of other nuisance
algae from growing ---------CORRECT ANSWER-----------------Erect algae
,Plant type that grows completely underwater ---------CORRECT ANSWER--------------
---Submersed
Aquatic plant type that is rooted in sediment and extends above the water
surface ---------CORRECT ANSWER-----------------Emersed / emergent
Aquatic plant type that is not attached to sediment and floats on or just below the
water surface ---------CORRECT ANSWER-----------------Free-floating
Aquatic plant type that's attached to sediment and has leaves that float on the
water surface ---------CORRECT ANSWER-----------------Rooted-floating
Watermilfoil main reproduction technique ---------CORRECT ANSWER-----------------
Fragmentation
Curly-leaf pondweed main reproduction technique ---------CORRECT ANSWER-------
----------Rhizomes and turions
Which invasive plant has pesticide-resistant reproductive structures that can lay
dormant in substrate only to sprout when conditions are right? ---------CORRECT
ANSWER-----------------Curly-leaf pondweed
, Which plant can be desirable in lake bottoms, but nuisance when they grow to
the surface? ---------CORRECT ANSWER-----------------Naiad
Naiad main reproduction technique ---------CORRECT ANSWER-----------------Seed
(annual) but also by fragmentation
What necessary and beneficial roles do native plants fulfill in their aquatic
ecosystem? (3) ---------CORRECT ANSWER-----------------1. Provide food, habitat or
shelter
2. As stabilizing features of the substrate
3. Filter storm and runoff water
Dormant leaf structures that are not affected by herbicides and are used primarily
for reproduction in the curly-leaf pondweed ---------CORRECT ANSWER----------------
-Turions
The process of adding nutrients to a body of water that in turn increases the
production of plants and algae ---------CORRECT ANSWER-----------------
Eutrophication
