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      Home > Quizzes and Fun Tests > Animals, Birds and Insects Quizzes > Actinopterygii Quiz

 Actinopterygii Quiz

Welcome to the QuizMoz Actinopterygii Quiz. QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!!

 Actinopterygii Quiz Facts
 Average Score for this quiz: 36%
 No of times this quiz has been taken: 20
 No of people passing this quiz: 6
 No of people failing this quiz: 14
 Maximum score for this quiz: 75%

Coverage : The brilliant, spiny, and poisonous lionfish is just one of the world's 20,000 living species of actinopterygians. They are the dominant group of aquatic vertebrates today, and a major food source for millions of people. How much do you know about these tongue-twisting fishes?

1. Ray finned fishes make up about what percentage of all the species of fish currently alive?
a.20%
b.35%
c.42%
d.50%
 
2. In what historical period did the first actinopterygii appear?
a.Triassic
b.Paleozoic
c.Devonian
d.Eocene
 
3. Which of the following is not a sub-class of the actinopterygii?
a.Chondrostei
b.Teleostei
c.Neopterygii
d.Lepidoptera
 
4. Over how many species of actinopterygii are there in our oceans currently?
a.12,000
b.16,000
c.19,500
d.27,000
 
5. The teleosts are the group to which all living ray-finned fish belong. In what historical period did these descendants of the first actinopterygii appear?
a.Jurassic
b.Mesozoic
c.Paleozoic
d.Late Triassic
 
6. Which of the following fish species is not an actinopterygian?
a.Siamese Fighting Fish
b.Walking Catfish
c.Axlotl
d.Mudskipper
 
7. True or false: Some actinopterygians are able to crawl about on land.
a.True
b.False
 
8. Where are the muscles which move the fins located in actinopterygii?
a.Fin tips
b.The top of the fin
c.Within the body
d.They are connected to the tail
 
9. Actinopterygii are also known as what-finned fish?
a.Lobe
b.Ray
c.Spiny
d.Fan
 
10. True or false: Sharks are a member of the actinopterygii family
a.True
b.False
 
11. A distinctive organ possessed by actinopterygii is one allowing them to adjust their buoyancy in the water, known as the swim what?
a.Beaker
b.Stomach
c.Bladder
d.Sucker
 
12. Which of the following tasty food fish is not an actinopterygian?
a.Salmon
b.Trout
c.Pike
d.None of the above
 
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