Class Chondrichthyes
Class Chondrichthyes
Class Chondrichthyes: These are cartilaginous fish, i.e., their skeleton is made of cartilage. Their characteristics are :
Example: Sharks, sting rays, electric rays, dogfish, Cow fish, Flying fish etc.
Fishes respire through gills. The gills may or may not be covered with the operculum. The gills which are not covered by the operculum are present in which of these class ? | |||
| Right Option : B | |||
| View Explanation | |||
Gills are seen in _____________ | |||
| Right Option : D | |||
| View Explanation | |||
Which one is a true fish? | |||
| Right Option : C | |||
| View Explanation | |||
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