OISC: Aquatic Pest
Management - PPP-
5 Exam Questions
Verified and
Provided with A+
Graded Answers|
Latest Updated
2026
,List ten reasons why aquatic weeds are undesirable.
1. Restrict or Prevent Recreational Activities
2.Can Pose a Hazard to Swimmers and Water Skiers
3. Excessive Weed Growth Adversely Affects
Fish (Overpopulation/Stunting, Fish Kills)
4. Invasive Weeds Disrupt Native Aquatic Communities.
5.Weeds can Lower Aesthetic Appeal.
6.Weeds can Catch Debris and Speed Up the
Filling in Process.
7. Weeds Block the Flow of Drainage Systems.
8.Algae can cause Foul Taste and Odors in Drinking Water.
9.Some Algae Blooms can be Toxic.
10. Weeds Provide Habitat for Mosquitoes and Similar
Insects.
Benefits of aquatic plants.
1. Produce oxygen, food, and habitat for fish and
other wildlife.
2.Stabilize shorelines.
3. Prevent erosion.
4. Remove nutrients.
,Algae
Simple Plants without True Roots, Leaves, or Flowers.
Found Free-Floating or Attached to other Plants, Bottom
Sediments, Rocks, or Other Solid Substrates.
Flowering Plants
Roots, Leaves, and Flowers
Three major types of algae.
1. Microscopic
2.Mat Forming
3.Chara
, General appearance of microscopic algae (i.e., blooms) .
Blue/Green or Red Scum color.
Microscopic algae problems.
Can cause taste/odor/color problems, somtimes are
toxic, die-off can cause fish-kills by oxygen depletion.
Most common red microscopic algae.
1. Euglena
2. Trachelomonas
Most common blue-green microscopic algae.
1. Microcytis
2.Anabaena
3.Aphanizomenon
Microscopic algae is also referred to as.
Water Bloom
Management - PPP-
5 Exam Questions
Verified and
Provided with A+
Graded Answers|
Latest Updated
2026
,List ten reasons why aquatic weeds are undesirable.
1. Restrict or Prevent Recreational Activities
2.Can Pose a Hazard to Swimmers and Water Skiers
3. Excessive Weed Growth Adversely Affects
Fish (Overpopulation/Stunting, Fish Kills)
4. Invasive Weeds Disrupt Native Aquatic Communities.
5.Weeds can Lower Aesthetic Appeal.
6.Weeds can Catch Debris and Speed Up the
Filling in Process.
7. Weeds Block the Flow of Drainage Systems.
8.Algae can cause Foul Taste and Odors in Drinking Water.
9.Some Algae Blooms can be Toxic.
10. Weeds Provide Habitat for Mosquitoes and Similar
Insects.
Benefits of aquatic plants.
1. Produce oxygen, food, and habitat for fish and
other wildlife.
2.Stabilize shorelines.
3. Prevent erosion.
4. Remove nutrients.
,Algae
Simple Plants without True Roots, Leaves, or Flowers.
Found Free-Floating or Attached to other Plants, Bottom
Sediments, Rocks, or Other Solid Substrates.
Flowering Plants
Roots, Leaves, and Flowers
Three major types of algae.
1. Microscopic
2.Mat Forming
3.Chara
, General appearance of microscopic algae (i.e., blooms) .
Blue/Green or Red Scum color.
Microscopic algae problems.
Can cause taste/odor/color problems, somtimes are
toxic, die-off can cause fish-kills by oxygen depletion.
Most common red microscopic algae.
1. Euglena
2. Trachelomonas
Most common blue-green microscopic algae.
1. Microcytis
2.Anabaena
3.Aphanizomenon
Microscopic algae is also referred to as.
Water Bloom
