MEDIUM
NEET
IMPORTANT
Earn 100
The members of Chondrichthyes have to swim constantly to avoid sinking due to
(a)Non-functional fins
(b)High pressure of water
(c)Heavy body weight
(d)Absence of air bladder
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Important Questions on Animal Kingdom
MEDIUM
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Internal fertilization and viviparity are the characteristics of class
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The character common to both cartilaginous and bony fishes is the presence of
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Lateral line organ occurs in
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Which of the following fish is famous for migration?
EASY
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Common name of the fish Anguilla is
