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Match Column I with column II.
Column I Column II
A Absence of operculum I Carcharodon
B Presence of epidermal scales II Branchiostoma
C Absence of vertebral column III Bangarus
D Presence of pneumatic bones IV Columba
A B C D
1 I II III IV
2 II I IV III
3 I III II IV
4 II IV I II

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answer is C.

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Detailed Solution

A-I	Carcharodon is a cartilaginous fish which is without operculum.
B-III	Bangarus is a reptile with epidermal scales.
C-II	Branchiostoma is a cephalochordate which has no bony vertebral column.
D-IV	Columba is a bird with pneumatic bones (bone with air cavities).

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