CORE Aquatic Education and Fishing Skills 2

Question 1

What is the term for the process by which excess nutrients cause algae overgrowth and oxygen depletion in a water body?

Accepted Answer

Eutrophication

Answer

Sedimentation

Answer

Stratification

Answer

Turbidity

Question 2

Which fishing method involves dragging a baited line or lure behind a moving boat?

Accepted Answer

Trolling

Answer

Jigging

Answer

Still fishing

Answer

Fly fishing

Question 3

When selecting a fishing rod for use in an introductory youth program, which rod length and action is generally most appropriate?

Accepted Answer

5–6 foot rod with light to medium action

Answer

9 foot rod with heavy action

Answer

12 foot surf rod with extra-heavy action

Answer

3 foot ultralight rod only

Question 4

What does the term 'thermocline' refer to in an aquatic ecosystem?

Accepted Answer

A distinct layer of water where temperature drops rapidly with increasing depth

Answer

The surface layer of warm water in a lake

Answer

A zone of high nutrient concentration near the lake bottom

Answer

The boundary between fresh and salt water in an estuary

Question 5

Which water quality parameter most directly affects where cold-water fish species like trout will be found in a lake during summer?

Accepted Answer

Dissolved oxygen and temperature

Answer

Water clarity and pH only

Answer

Salinity and current speed

Answer

Sediment load and water hardness

Question 6

An aquatic educator is teaching students about macroinvertebrates. Which macroinvertebrate group is considered the best bioindicator of high water quality?

Accepted Answer

Stonefly larvae (Plecoptera)

Answer

Aquatic worms (Tubificidae)

Answer

Water boatmen (Corixidae)

Answer

Mosquito larvae (Culicidae)

Question 7

What is the purpose of a size limit (minimum length) in fishing regulations?

Accepted Answer

To allow fish to reach reproductive maturity before harvest

Answer

To prevent anglers from releasing undersized fish back to water

Answer

To standardize equipment used across different fishing areas

Answer

To restrict commercial fishing operations only