Practice Questions for Fishes

If an question has more than one correct answer please select all that apply

1. What kind of tail do you find in most cartilagenous fish?
1. Heterocercal
2. Homocercal
3. Diphycercal
2. What have you lost in the homocercal tail?
1. Lift
2. Thrust
3. Speed
4. Surface area
3. The homocercal tail is more efficient for?
1. Lift
2. Thrust
3. Movement
4. Speed
5. Surface area
4. What kind of scale is present in most cartilagenous fish?
1. Placoid scales
2. Ganoid scales
3. Cycloid scales
4. Ctenoid scales
5. What kind of scale is present in the Sturgeon group of fish?
1. Placoid
2. Ganoid
3. Cycloid
4. Ctenoid
6. What kind of tail is present in the Sturgeon group of fish?
1. Homocercal tail
2. Heterocercal tail
3. Diphycercal tail
7. Which of these fish do not belong to the Sturgeon group of fish?
1. Atlantic sturgeon
2. Birchir
3. Bowfin
4. Paddlefish
8. T/F - Sturgeon have internal fertilization
9. Which of these fish do not belong to the Gar group of fish?
1. Gar
2. Paddlefish
3. Bowfin
4. Birchir
10. T/F - The Gar is a large fish that can weigh up to 300 lbs.
11. What group of fish has the largest number of species?
1. Chondrichthyes
2. Actinopterygii
3. Sarcopterygii
12. The teleost lineage has what type of tail?
1. Homocercal tail
2. Heterocercal tail
3. Diphycercal tail
13. T/F - The teleost lineage is more successful than other lineages because of its fixed dorsal fin.
14. This new feature allows the fish to dedicate energy to other characteristics because it allows the fish to control buoyancy.
1. Operculum
2. Swim bladder
3. Spiracle
4. Homocercal tail
15. T/F - The operculum increases the respiratory efficiency and is present in many of the Cartilagenous fish
16. The ancestors of tetrapods are ____________?
1. Chondrichthyes
2. Actinopterygii
3. Teleost Lineage
4. Sarcopterygii
17. Which of the following belongs to the group Actinopterygii?
1. Trout
2. Shark
3. Coelacanth
4. Sturgeon
5. Ray
6. Salmon
7. Lungfish
18. Which of the following belongs to the group Chondrichthyes?
1. Trout
2. Shark
3. Coelacanth
4. Sturgeon
5. Ray
6. Salmon
7. Lungfish
19. Which of the following belongs to the group Sarcopterygii?
1. Trout
2. Shark
3. Coelacanth
4. Sturgeon
5. Ray
6. Salmon
7. Lungfish
20. What type of fin does a Coelacanth have?
1. Cartilagenous fin
2. Fleshy fin
3. Ray fin  
21. T/F - Most lung fish retain the ability to breath air and commonly live in cool, clear water
22. What type of migration do you see in Salmon?
1. Anadromous
2. Catadromous
23. What type of migration do you see in Freshwater Eels?
1. Anadromous
2. Catadromous