41.
In Heteropneutis fossils the total number of barbels occurring are
A
2
B
4
C
6
D
8
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In Heteropneutis fossils the total number of barbels occurring are
2
4
6
8
The number of semicircular canals in Gnathostomes are:
2
3
4
5
The number of chambers in the heart of fishes are:
1
2
3
4