1. Which of the following is a method of individual fish capture?
a. Gill net
b. Angling 🐟
c. Purse seine
d. Electrofishing
2. What is the primary purpose of a "drawdown" in fishing?
a. To poison fish
b. To concentrate fish in shallow areas for easy capture 🐟
c. To stun fish with electricity
d. To entangle fish in nets
3. Which fishing gear is characterized by a bell-shaped net thrown by hand?
a. Lift net
b. Cast net 🐟
c. Trammel net
d. Fyke net
4. What is the main advantage of using a gill net?
a. It captures fish indiscriminately
b. It is highly selective based on mesh size 🐟
c. It requires minimal skill to operate
d. It stuns fish with electricity
5. Which plant-derived poison is commonly used to stun fish?
a. Cyanide
b. Rotenone (from Derris roots) 🐟
c. Nicotine
d. Arsenic
6. What is the function of "otter boards" in trawl nets?
a. To stun fish
b. To keep the net mouth open while dragging 🐟
c. To poison fish
d. To guide fish into the net
7. Which fishing method is illegal due to its destructive nature?
a. Angling
b. Electrofishing
c. Explosives (dynamite/grenades) 🐟
d. Hook and line
8. What is the key feature of a "pound net"?
a. It has an open top and extends above water 🐟
b. It is thrown like a bell-shaped net
c. It uses electricity to stun fish
d. It is a small handheld scoop net
9. Which fishing gear uses a "purse line" to close the bottom of the net?
a. Seine net
b. Purse seine 🐟
c. Gill net
d. Trammel net
10. What is the primary use of a "scoop net"?
a. To drag along the riverbed
b. To transfer fish from large nets or capture small fish 🐟
c. To stun fish with electricity
d. To poison fish
11. Which method involves suffocating fish by releasing noxious gases from mud?
a. Electrofishing
b. Poisoning
c. Suffocation (trampling mud/logs) 🐟
d. Angling
12. What type of current is used in electrofishing to draw fish toward the anode?
a. Alternating current (A.C.)
b. Direct current (D.C.) 🐟
c. Static electricity
d. Magnetic current
13. Which fishing gear has wings to guide fish into the net opening?
a. Fyke net 🐟
b. Cast net
c. Gill net
d. Lift net
14. What is the main disadvantage of a seine net?
a. It is highly selective
b. It requires a clear beach and considerable manpower 🐟
c. It is illegal in most countries
d. It only works in deep water
15. Which structure is used to block fish migration and guide them into traps?
a. Pound net
b. Barricade (split bamboo/stone barriers) 🐟
c. Tubular trap
d. Dip net
16. What is the key difference between a trammel net and a gill net?
a. Trammel nets are selective, gill nets are not
b. Trammel nets use electricity
c. Trammel nets have multiple layers of netting to entangle fish 🐟
d. Gill nets are only used in deep water
17. Which fishing method is used to capture lungfish during drought?
a. Spearfishing
b. Digging (striking ground to locate burrows) 🐟
c. Poisoning
d. Electrofishing
18. What is the purpose of floats and sinkers in gill nets?
a. To stun fish
b. To keep the net vertical in water 🐟
c. To attract fish with bait
d. To close the net like a purse
19. Which fishing gear is effective for pelagic fish in open water?
a. Basket trap
b. Purse seine 🐟
c. Cover pot
d. Dip net
20. What is the primary use of a "lift net"?
a. To drag along the riverbed
b. To quickly lift fish from shallow water 🐟
c. To stun fish with electricity
d. To poison fish
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