Question No : 1
Study of sharks and rays is known as
Question No : 2
Parental care by males is found in
Question No : 3
Placoid scales are found in
Question No : 4
The oldest living fish is
Question No : 5
Sharks and rays can be distinguished by
Question No : 6
Which of the following does not have lateral line organs ?
Question No : 7
Most venomous fish is