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Vertebrata Agnatha Pisces - Questions and Answers

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66. Number of gills found in osteichthyes is
A. Two pairs
B. Four pairs
C. Five pairs
D. 6 – 15 pairs
Explanation:
67. Tympanum or ear drum occurs in
A. Bony fishes
B. Cartilaginous fishes
C. Necturus
D. None of the above
Explanation:
68. Sea Horse is a
A. Coelenterate
B. Bony fish
C. Mammal
D. Reptile
Explanation:
69. An amphibian having gills in adult stage is
A. salamander
B. Aquatic frogs
C. Limbless amphibian
D. Newt/Mud Puppy
Explanation:
70. Pectoral fins are enlarged in
A. Hippocampus
B. Exocoetus
C. Coccosteus
D. Scoliodon
Explanation:
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