Q.
Match the following columns and select the correct option.
Column I
Column II
a
6-15pairs of gill slits
i
Trygon
b
Heterocercal caudal fin
ii
Cyclostomes
c
Air Bladder
iii
Chondrichthyes
d
Poison sting
iv
Osteichthyes
Column I | Column II | ||
---|---|---|---|
a | 6-15pairs of gill slits | i | Trygon |
b | Heterocercal caudal fin | ii | Cyclostomes |
c | Air Bladder | iii | Chondrichthyes |
d | Poison sting | iv | Osteichthyes |
Solution: