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Vertebrata Agnatha Pisces - Questions and Answers

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231. In sharks, the mouth and nares are
A. Ventral and dorsal
B. Terminal and dorsal
C. Ventral and ventral
D. Dorsal and ventral
Explanation:
232. Latimeria is
A. Coelacanth
B. Has two dorsal fins
C. Possesses two pairs of external nares
D. All the above
Explanation:
233. Caudal fin is heterocercal in bony fish
A. Solea
B. Anabas
C. Anguilla
D. Exocoetus
Explanation:
234. Dorsal and ventral fins of Anabas have
A. Stiff rays
B. Soft rays
C. Stiff rays in anterior region and soft rays in posterior region
D. Soft rays in anterior region and stiff rays in posterior region
Explanation:
235. Dog fish
A. Bony fish
B. Cartilaginous fish
C. An aquatic reptile
D. An aquatic mammal
Explanation:
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